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Feliks's avatar

Toby, two final construction details surfaced while translating the Effort versus Result formula into an indicator.

The normalized range/volume quotient is necessarily positive, but the plotted series is signed (+2.21, −0.58, −2.80). What determines the sign—close versus open, close versus the previous close, or another directional measure?

And is each 10-day benchmark calculated from the ten preceding completed periods, excluding the observation being evaluated, or does the rolling average include the current observation?

Feliks's avatar

Toby, Chapter 1’s distinction between concept formation and a “floating abstraction” gives me a clearer way to frame a question I raised under your ORB article.

In the 1989 book, ORB appears operationally in two forms: movement beyond the opening range—the first thirty seconds—in the glossary, and fixed displacement from the opening price in several study tables. The recent ORB article adds a third form: displacement normalized to an n-day average range.

What characteristic do you regard as essential and invariant across these implementations? Are they instances of one higher-order concept—momentum expressed as price displacement from a chosen reference—or distinct concepts that should remain operationally separate? Put another way: which measurements can be omitted without disconnecting the ORB concept from the observations that give it meaning?

Two construction details would also help make the examples exactly reproducible. In the ORB baseline, does “0.80% of the 10-day average range” literally mean 0.008 × the average range, or was 0.80 × the average range—80%—intended? And in the Effort versus Result calculation, what lookback or reference period defines the benchmark for relative range and relative volume, and is the same window used for both?

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