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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