Showing posts sorted by relevance for query prediction-and-understanding-in. Sort by date Show all posts
Showing posts sorted by relevance for query prediction-and-understanding-in. Sort by date Show all posts

Saturday, January 12, 2019

Info!! Understanding, Prediction, As Well As What Makes Discretionary Traders Successful

This postal service was written from Glacier National Park inwards Montana.  Sometimes it takes a consummate alter of scenery to create a fresh mindset in addition to renewed focus on what is essential--in life, equally good equally inwards trading.  It's when nosotros innovate novelty into our lives that nosotros are most probable to attain novel insights.

Recently I wrote a postal service that has flora unusually rigid involvement from readers, focusing on what is most of import inwards markets.  The postal service was distinctive because it emphasized marketplace understanding, non the prediction of markets.  This is a really of import distinction for discretionary traders.

Let's tell I'm a nurture in addition to I notice my son beingness unusually quiet, talking softly and keeping to herself.  I've seen those facial expressions, tones, in addition to behaviors earlier in addition to know that they receive got typically occurred whenever he has felt wound or rejected.  As a psychologist, I likewise know that those same demeanour patterns occur inwards other people for other reasons, such equally when they are deeply reflective almost a challenge at operate or when they are deeply frustrated almost a situation.  For those other people, the menses of serenity powerfulness live on followed past times a flare-up of operate effort--or a flare-up of anger.  The serenity comes from a unlike house for my son, however, in addition to has inwards the past times led to periods of sad mood in addition to misfortunate operate performance.

With that understanding, I only give him a hug in addition to allow him know that he is special to me.  That reaching out is plenty to select him out of his shell in addition to larn him talking almost what went incorrect amongst his best friend.  With the emotional release, he begins to experience better, short-circuiting the depressed feelings in addition to helping him reengage amongst other life activities.

Being a therapist is all almost tracking the thoughts, feelings, in addition to actions of a unique human being;  understanding what is driving those; in addition to and thus using that awareness to aid create a fix of weather condition that tin Pb to increase rather than setback.  In a unlike context, that is likewise what a slap-up nurture does.  What therapists in addition to parents don't exercise is bear backtests of all similar occurrences across all people in addition to and thus generate a prediction of hereafter demeanour to figure out how to respond.  Understanding is built from the dry ground up, taking particulars in addition to making sense of them, creating possible explanations.  Prediction is a top-down process, starting amongst universal patterns in addition to applying them to item contexts.

A meteorologist seeks prediction, making purpose of complex models that rails temperature, humidity, wind, air pressure, etc.  H5N1 historian seeks understanding, looking at the motives in addition to cultural influences that Pb to political, economic, in addition to military machine decisions in addition to outcomes.  Each is an approach to knowledge:  nosotros powerfulness accurately predict the outcome of a ball game and also empathise the decisions in addition to strategies that led to the outcome.  

Successful discretionary traders I've known in addition to worked amongst receive got been distinguished past times their grade of marketplace understanding.  Successful quantitative traders I've encountered receive got excelled at analysis in addition to prediction.  Sometimes the successful discretionary trader makes purpose of predictive models equally inputs to decisions; the successful quantitative trader volition dry ground models inwards audio marketplace understanding.  At the terminate of the day, however, quants trade their predictions in addition to discretionary participants trade their understanding.  One trades universal patterns; some other trades insights specific to what is observed hither in addition to now inwards a item market.

What I realized inwards the Montana mountains is that the psychological challenges faced past times traders often leads them to seek quick (and artificial) safety inwards marketplace predictions.  Instead to staying grounded inwards what is happening hither in addition to now, equally in the representative of my response to my son, a frustrated or uncertain trader powerfulness hold back for answers inwards top-down predictions.  If a psychologist were to exercise this, he or she would choke emotionally tone-deaf, no longer tracking the pregnant of the unique private inwards the conversation.  When discretionary traders leap to a fashion of prediction, they frequently lose their experience for markets by imposing ideas that clash amongst the actual messages of "the tape".

I suggest that successful discretionary traders are successful for the same argue that people are successful inwards relationships:  they are able to stand upwards apart from their ain emotional responses in addition to habit patterns thus that they tin appreciate in addition to empathise the thoughts, feelings, in addition to actions of others.  When nosotros rails who is inwards the market, what they are doing, in addition to the cost levels at which they are acting, nosotros assemble the raw materials for agreement marketplace activity.  It is hard to genuinely empathise what somebody is maxim if we're busy plumbing equipment them into a model in addition to trying to predict what they'll do.  The same is truthful for the trading of markets:  nosotros neglect when nosotros choke thus eager to anticipate outcomes that nosotros halt listening to the actual messages of markets.  Quantitative data tin attention the agreement of a discretionary trader; it tin never substitute for it.

Further Reading:  Trading Emotionally, With Intelligence
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Friday, February 8, 2019

Info!! 2 Of The Biggest Mistakes Traders Make

As I aspect across the adept trading in addition to not-so-good trading that I've observed over the years--my own, too equally that of others--there are 2 big mistakes that stand upward out equally key differentiators:

1)  Putting Prediction Ahead of Understanding - In a sense, this boils downward to acting earlier nosotros genuinely sympathise the rationale for action.  At outset blush this makes no feel at all.  Still, the fearfulness of missing moves in addition to the request to brand coin sometimes Pb us to anticipate marketplace behaviour earlier we've fully done the move of agreement why markets should displace inwards such a fashion.  Traders oft verbalize most the importance of having confidence inwards their views.  Genuine conviction, I find, is a business office of deep understanding.  If nosotros perceive that nosotros receive got a grasp of what is driving markets, nosotros are to a greater extent than probable to stick amongst the merchandise ideas emanating from that understanding.  Nothing guarantees, of course, that our explanations of marketplace behaviour are correct.  It's a pretty adept guarantee, however, that if nosotros anticipate marketplace movement in addition to lay on positions earlier nosotros accomplish a grasp of why that movement should occur, we'll endure easily shaken from our ungrounded convictions.

In the nautical chart above, I rails what I telephone band "Demand" for stocks.  It is a running five-day average of upticks vs. downticks amid NYSE shares.  There is some predictive value to those data, but especially of import from my vantage betoken is putting the information into context to sympathise what is happening inwards markets.  When markets displace speedily from a betoken of negative Demand--net selling pressure--to a betoken of high Demand (net buying pressure), that momentum reflects an of import shift inwards marketplace participation that tends to persist over the close term.  Conversely, when markets bounce higher but internet Demand remains negative, that suggests a lack of upside participation and, ultimately, a vulnerability to the rise.  Note how that was the instance during the marketplace topping inwards September.  One of import ingredient of agreement is only identifying whether buyers or sellers are inwards command of the marketplace in addition to which agency that residue is moving.  Identical nautical chart patterns tin laissez passer on notice follow from real dissimilar configurations of internet Demand.

2)  Mismatch of Time Horizons - This is the outcome of conceptualizing merchandise ideas on 1 fourth dimension horizon in addition to managing the chance on a real dissimilar fourth dimension frame.  Influenza A virus subtype H5N1 classic instance would endure a "macro" trader who develops a cardinal thesis most how stocks should displace over the side past times side 3-6 months, but thus is forced to halt out of positions on retracements that, ultimately, are expectable over such a fourth dimension period.  In other words, the psychological tolerance for loss is poorly matched amongst the trader's conceptual framework.  This occurs at trading firms where chance is managed tightly, but where traders soundless experience a request to stick amongst ideas in addition to hold their convictions.  I recollect working amongst a rookie daytrader whose hitting charge per unit of measurement on trades was startlingly abysmal.  It seemed equally though the results were non random, but represented a pregnant negative alpha.  What that trader would exercise is ready stops insanely some the betoken of entry, pride himself on a "good risk-reward trade" in addition to thus larn stopped out 80% of the fourth dimension on a putative 3:1 adept bet. 

When the press for chance greatly exceeds the tolerance for loss, it's a certain bet that adept trades volition endure managed poorly.  We tin laissez passer on notice receive got superior marketplace understanding, derive splendid merchandise ideas from that understanding, in addition to soundless neglect to brand coin only because nosotros our psychological misalignment betwixt chance in addition to vantage leads to poorly aligned seat management.  Far amend to rest inwards adept trades amongst minor size than continually halt oneself out on dissonance in addition to neglect to capitalize on solid understanding.

Further Reading:  Five Distinguishing Features of Great Traders
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Saturday, February 9, 2019

Info!! Prediction Together With Agreement Inwards Generating Marketplace Returns

The recent serial of posts possess got reviewed a release of stock marketplace measures that I possess got institute to hold upwards useful inwards anticipating short-term toll movement:  buying together with selling pressure; pure volatility; breadth; sentiment; together with correlation.  The query directly arises:  how produce nosotros brand utilisation of multiple measures such every bit these?  How produce nosotros pose them together inwards a coherent fashion?

Let's address this past times outset surveying the territory.  Traders sweat to anticipate marketplace demeanour past times engaging inwards i of 4 modes:  1)  bias; 2) superstition; 3) prediction; together with 4) understanding.

Bias represents a way of thinking that is grounded, non inwards objective events every bit they are occurring, just inwards thoughts, feelings, together with ways of processing data that are influenced past times external together with nonessential factors.  For example, I possess got met a release of traders who display a persistent bearish bias.  When asked for the reasons for their bearishness, they refer their disagreement amongst the political together with economical policies of the government.  Their political together with economical beliefs are together with then potent that they cannot see markets through whatever other lens.  Needless to say, this has led to disastrous returns over the long run.

Superstition is a ready of beliefs that are non grounded inwards objective observation together with mensuration and--this is important--cannot hold upwards validated through such means.  H5N1 piece dorsum I encountered a marketplace analyst who declared that the stock marketplace was headed lower because it was completing a head-and-shoulders designing on the weekly chart.  I speedily coded upwards marketplace patterns of a similar nature together with backtested the idea.  I institute no predictive validity to the head-and-shoulders formation whatsoever.  I varied the coding to hold off at formations on unlike fourth dimension frames together with yet institute no predictive value to the pattern.  When I explained this to the analyst, he replied that technical analysis was an art, non a science.  The belief organization that shapes on charts dictate forwards toll motion was grounded inwards superstition and--as a supposed "art"--was immune to attempts at validation.

Prediction is an sweat to quantify together with systematize relationships amid variables that nosotros believe to hold upwards causal.  Suppose I were to accept the variables listed above, such every bit thought together with volatility, together with larn inwards them into a stepwise regression equation to see which uniquely predict forwards toll movement.  I mightiness find, for instance, that i of the variables--say volatility--so overlaps amongst correlation together with buying/selling ability that it does non add together meaning predictive value whatsoever.  The variables that produce add together meaning predictive value contain a model that spits out predictions of hereafter toll movement.  While much prediction is quantitatively driven, a qualitative shape of prediction occurs when experienced traders recognize recurrent marketplace patterns together with base of operations quick decisions on the occurrence of these patterns.  Because such intuitive designing recognition tin sack hold off together with then much similar superstition, it tin sack hold upwards challenging to differentiate skilled intuitive discretionary traders from superstitious amateurs.  Ultimately, the arbiter of predictive value--whether quantitative or discretionary--is an objective, real-time rail record. 

Understanding is quite unlike from prediction.  We tin sack predict when the Sun volition ascent inwards the morning, just non necessarily sympathize the reasons for the sun's apparent movement.  Understanding addresses the why" behind prediction.  Very often, nosotros produce non know exactly how causes Pb to effects inwards nature.  We educate our understanding past times generating a theory, which attempts to explicate how variables of involvement Pb to observed outcomes.  Good theories trouble concern human relationship for existing findings, just also suggest novel ones.  One pitfall inwards the investing basis is generating complex predictive models through way such every bit neural networks.  The output of these models may non hold upwards clear--and for sure may non reverberate whatever understanding of the underlying markets.  H5N1 real useful brake on the overfitting of trading systems together with models is the utilisation of input variables that brand sense inside a plausible theoretical model.  Otherwise, nosotros possess got no way of determining whether our predictive model is really grounded inwards an understanding of the world.

In of import respects, the partition betwixt technical analysis together with cardinal analysis inwards the trading basis reflects a tension betwixt the modes of prediction together with understanding.  Just every bit the predictions of technicians tin sack reverberate piffling underlying understanding of markets, the inputs of cardinal analysts tin sack lack predictive rigor.  H5N1 adept representative of the quondam is marketplace queries that reveal a predictive border when, say, nosotros postal service a three-day high at the start of a calendar period.  There is no proposed machinery that explains why such a designing would deal true.  Conversely, when nosotros listen a "macro" analyst declare that stock marketplace returns volition hold upwards dampened inwards Europe because of threats of state of war inwards the Ukraine, in that location is no predictive framework for testing together with validating the assertion. 

Ultimately nosotros master copy a domain when nosotros tin sack explicate observations together with validate our explanations through tests of our predictions.  Those tests either occur prospectively, every bit purpose of formal backtesting together with forwards testing, or they occur inwards retrospect via the analysis of real-time rail records.  Such mastery is rarely demonstrated inwards trading, where a swell bargain of activeness is dominated past times bias, superstition, together with disjointed efforts at prediction together with explanation.  As a psychologist together with trader for many years, my distinct impression is that much of what traders experience every bit emotional challenges inwards markets is the termination of operating inwards an uncertain domain amongst less-than-adequate predictive together with explanatory frameworks.  Anxiety together with frustration are the understandable effect of needing to predict together with understand, just having few tools to accomplish those ends.

So what does a audio explanatory together with predictive framework hold off like?  One window on marketplace success is offered via Qualitative Research together with Science
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Sunday, February 24, 2019

Info!! Agreement The Markets You're Trying To Predict

The recent postal service highlighted the notion of resultant fourth dimension and the potential value inward redefining the X-axis of charts.  Once nosotros convey a fresh X-axis that normalizes intrasession changes of book together with volatility, cyclical patterns inward markets larn clearer.  It's yet some other instance of how quant processes tin forcefulness out potentially practise goodness discretionary traders.

The nautical chart higher upwardly runs from May 6th, 2014 to yesterday morning:  it's ane of the things I was tracking closely at the initiatory of all of Thursday's trade.  Each indicate on the nautical chart represents 500 cost changes inward the ES futures.  So, inward other words, every fourth dimension nosotros larn 500 ticks higher or lower inward the ES forepart calendar month contract, nosotros depict a novel bar.  So fourth dimension is measured inward units of marketplace movement, non inward motion of the clock.  

What that does is create many bars during busy, volatile marketplace periods together with fewer ones during slow, non-volatile ones.

Suppose nosotros larn real lilliputian cost motion during the course of education of 500 ticks inward the index.  What that tells us is that cost modify is occurring inside a real narrow band:  in that location is a high grade of consensus inward the marketplace at that 2nd regarding the location of value.

If nosotros larn a bully bargain of cost motion during the course of education of 500 ticks, it agency that cost modify is occurring inside a much wider band.  That suggests a higher grade of doubt inward the marketplace regarding the location of value.

The higher upwardly nautical chart measures electrical flow value doubt versus its longer-term moving average.  When nosotros convey values higher upwardly 1.0, in that location is relative doubt regarding the location of value.  When nosotros convey values below 1.0, in that location is relative certainty.  

As alongside traditional measures of volatility, you lot tin forcefulness out come across the vogue for in that location to survive greater levels of doubt at relative marketplace bottoms together with greater levels of doubt at relative marketplace peaks.  The normalization of the X-axis together with the structure of the indicator approximately its recent moving average--creating a mensurate that is relative, rather than absolute--makes that human relationship easier to identify.

One for certain could show this mensurate in- together with out-of-sample together with exercise it every bit purpose of a trading system.  Indeed, I convey conducted such tests together with convey flora the value doubt tool to survive helpful.  My exercise of it, however, is to a greater extent than qualitative together with discretionary:  I'm using it only to seat whether the marketplace surround is becoming to a greater extent than or less uncertain.

So, for example, I unopen out a long seat belatedly Wed because, although nosotros had a bounce that day, the marketplace doubt was rising, non falling.  At the same time, I could come across that some sectors of the market--most notably small-scale caps--were non participating meaningfully inward the bounce.  Indeed, all told nosotros had entirely well-nigh 500 to a greater extent than advancing stocks on the 24-hour interval than declines.  Stock thought was bullish--the equity put/call ratio was a relatively depression .76--but that bullish tide was non lifting all boats.  Nor was marketplace activity suggesting greater certainty inward the location of value.

Notice inward this instance that I am using tested marketplace measures to anchor a reasoning process.  My destination is every bit much agreement every bit prediction.  (Indeed, I did non predict Thursday's abrupt overnight decline; I only identified Wednesday's absence of strength).  I desire to empathize what is happening inward the marketplace together with why; non precisely blindly predict time to come motion on the footing of an algorithm linking variables that hap to tally a given lookback period.  Influenza A virus subtype H5N1 major turning indicate inward my trading occurred when I stopped predicating trades on predictions together with instead used predictive inputs to inform a procedure of understanding.  Trading systems together with tested indicators are most useful when they reverberate an underlying agreement of markets; they cannot substitute for such understanding.

Further Reading:  Putting Historical Odds on Your Side
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Sunday, January 27, 2019

Info!! The Iii Paths To Success Inwards Fiscal Markets

I advise that at that spot are, at root, 3 basic paths to success inwards fiscal markets that tally to 3 kinds of marketplace position participants.  These are real dissimilar approaches to markets as well as require quite dissimilar skills, knowledge, as well as talents.

The kickoff path to success inwards markets is the path of the statistician.  The statistician is i who identifies the probabilities of outcomes equally a constituent of electrical current as well as past times conditions.  Influenza A virus subtype H5N1 statistician, for example, mightiness uncovering that 2 currencies are trading out of occupation with each other because of temporary flows attributable to mergers as well as acquisitions as well as house a bet that these volition render to their historical relationship.  The thought for the statistician is to build a portfolio that consists of many distributed bets, each of which has a favorable probability of paying off.  

The mo path to marketplace position success is the path of the theorist.  The theorist is a large pic thinker who identifies an antecedent laid upwards of weather that, over time, should drive the toll movements of fiscal assets.  Macro coin managers, those who await at geopolitical events as well as macroeconomic developments such equally cardinal banking concern policy shifts, are classic examples of theorists.  Their approach to markets is overstep down:  sympathise the large pic as well as and so define a diversified laid upwards of bets from that understanding.  For instance, the theorist volition uncovering that cardinal banking concern policies are notably to a greater extent than dovish--providing to a greater extent than liquidity--in or so countries than others as well as volition purchase stocks inwards those countries as well as sell stocks inwards the to a greater extent than hawkish regions.

The 3rd path to success inwards fiscal markets is the path of the trader.  The trader is a blueprint recognizer who exploits quick-developing shifts inwards sentiment, supply/demand, as well as relative movement.  Influenza A virus subtype H5N1 trader, for example, mightiness uncovering that episodes of selling pressure level inwards a a few, visible large capitalization stocks are non accompanied past times pregnant selling pressure level across the wide market.  When the selling slows downwards inwards the large caps as well as the wide marketplace position begins to choose handgrip of a bid, the trader rapidly joins that reversal for a displace higher inwards the wide index.  Diversification is achieved, non necessarily past times making many independent, simultaneous bets, exactly past times making many independent short-term bets over time.

These 3 paths are extremely different.  Whereas the theorist is deductive inwards thinking, moving from large pic agreement to private trades, the trader is inductive, noticing relatively infinitesimal patterns inwards social club catamenia or toll displace as well as generating merchandise ideas from those.  The statistician is highly analytical inwards a quantitative way, emphasizing prediction.  The theorist is to a greater extent than interested inwards a synthesis of data to accomplish understanding.  The trader is to a greater extent than probable to endure expert at intuitive blueprint recognition--in Kahneman's damage relying on fast, rather than deadening thinking.

These differences telephone holler upwards on real dissimilar science sets, knowledge bases, as well as personality strengths.  The activity orientation of the trader is quite dissimilar from the analytical, cerebral orientation of the statistician.  The theorist needs confidence inwards his or her large pic agreement of the world.  The statistician relies on objective odds to receive got subjective appraisal exclusively out of the trading process.  Statisticians attain expertise from intensive quantitative research; theorists attain expertise from the qualitative assembly of many dissimilar facts as well as trends; traders attain expertise from immersion inwards marketplace position patterns.

While it is pop to verbalise of "hybrid" traders that combine elements of these dissimilar paths, my experience is that a successful combination of approaches is much less mutual than is typically recognized.  Indeed, it is much to a greater extent than mutual for trading problems to emerge:  a) when marketplace position participants don't clearly position their path to success as well as therefore meander alongside dissimilar approaches; as well as b) when they endeavour to blend paths as well as ultimately don't play to their strengths.

A classic instance of this is when large pic macro traders larn overly concerned with limiting their gamble as well as terminate upwards behaving similar short-term traders.  Similarly, statistical, quantitative traders tin let their priors to bias their query processes, skewing their results over time.  Traders with a goodness experience for markets tin of a abrupt merchandise inwards musical note deaf ways when they larn locked into large pic views.  What generates success for i path tin undermine success inwards the others.

Many marketplace position participants neglect over fourth dimension because they lack a consistent path to success as well as because they lack the self-understanding to nautical chart the path that is correct for them.  In markets equally inwards relationships, success oft requires a commitment to i path as well as a willingness to larn out other ones behind.

Further Reading:  Three Winning Trading Practices
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Saturday, December 8, 2018

Info!! The Ability Of Why

I'll endure speaking on Tuesday, July 24th at the Traders Expo number inward Chicago, together with i of the things I'll endure roofing is how nosotros really know nosotros accept an border inward markets.  I'll also part amongst the grouping about of the edges I am currently pursuing inward my ain trading.

In a wide sense, at that topographic point are 2 forms of knowing:

*  Predicting - Being able to anticipate hereafter events;

*  Understanding - Being able to explicate events.

We tin predict without understanding.  We know to anticipate changes inward weather condition without beingness able to explicate the chain of events past times which these occur.

We tin sympathise without beingness able to brand specific predictions.  We mightiness sympathise reasons for a market's demeanour without beingness able to predict when together with how the marketplace volition move.

This is a chip of a simplification, but a skillful bargain of what nosotros telephone telephone technical analysis seeks prediction.  Influenza A virus subtype H5N1 skillful sum of primal analysis seeks understanding.

The vulnerability of much technical analysis is that it finds patterns that seem to endure correlated amongst toll changes, but cannot explicate the nature of that relationshipAs the video explains, if nosotros hold off at plenty patterns, nosotros tin uncovering something that appears to endure predictive.  Indeed, amongst a large plenty search infinite (thanks to powerful computing), nosotros tin uncovering things that operate inward sample together with out of sample that nonetheless are random!

The regulation that makes sense hither is that nosotros don't *truly* accept an border unless nosotros tin clearly explicate why this border is present.  Prediction without agreement is a delicate solid soil for risking our hard-earned money.  

If nosotros tin explicate the solid soil for a predictive relationship, nosotros own truthful understanding.  Real conviction together with confidence inward trading comes from agreement the solid soil for what you're doing.  

A somebody amongst a role inward life has a "why"--a considered laid upwards of reasons for doing what they're doing.  That somebody is most probable to move inward a coherent direction.  Without a "why", nosotros wander through life.  That's the divergence betwixt having a twelvemonth of sense versus i solar daytime of sense repeated 365 times.

So, too, amongst trading.

Trading psychology is much easier when nosotros accept a genuine "why" underlying our actions.  Too many people are pursuing trading because they can't figure out about other agency to operate independently together with brand plenty coin to back upwards themselves.  This is understandable, but invariably ends badly.  People setting themselves upwards every bit gurus are all likewise willing to exploit the wish to brand a living from trading.  A slap-up interrogation to enquire near whatever stance advanced past times a guru is, "Why?"  If you--and they--can't genuinely explicate why an stance works, how exercise yous know yous really accept an border together with non merely about other designing jibe to marketplace data?

Further Reading:


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