The Same Shape Three Mornings Running
Three is a coincidence until somebody counts. When an instrument produces the same opening range shape three mornings in a row, narrow and closing at the midpoint each time, the pattern is either a regime worth adapting to or ordinary clustering in a random sequence, and the difference is not visible from those three sessions. The shape tally, and this is the whole reason it sits on orb trading setups beekeeping for beginners as a running count rather than as a set of notes, exists to answer that with a base rate instead of an impression.
Runs Happen in Random Data
With four categories of shape and sixty sessions, runs of three appear regularly by chance alone. Working out roughly how often, before drawing any conclusion, is a short calculation and it recalibrates the whole exercise. Most traders discover their three day pattern is the fifth such run of the quarter and that none of the previous four continued.
What Would Count as Evidence
A shift in the base rate over a stated window, not a streak. Where narrow ranges closing at the midpoint made up fifteen percent of the last hundred sessions and forty percent of the last twenty, that is a change worth acting on. Three consecutive is not, however striking it looks on the chart.
The threshold has to be written before the streak, because a threshold chosen while looking at a run will always be satisfied by it.
Regimes Are Usually Volatility, Not Shape
When something real is happening it normally shows up first in the range widths rather than in the closing position. A compressing average true range across a week is a measurable regime, and it changes the stop distance, the position size and the reasonable target. That is a more reliable signal than a repeated shape and it is easier to quantify.
The Cost of Adapting Too Early
Adjusting the rules on a three session run means the rules are now fitted to the most recent noise, and the fourth session gets traded with a strategy that has never been tested. The sample size behind the change is three. That is not a small sample, it is not a sample at all, and the change will usually be reversed within a fortnight, leaving two rule changes in the record and no way to interpret either.
Keep the Count, Act on the Distribution
Log the shape every morning as one of a small fixed set of categories. The count accumulates whether or not anything interesting happens, which is what makes it useful when something does. Acting on the distribution rather than on the last three entries is the difference between noticing a regime and chasing one.