Demo — data frozen as of 06/12/2026. This project is no longer maintained. Source code
Instrument
Stat
Inside Bars
How often does a session open inside the prior day's range (between its RTH low and RTH high, inclusive), and given such an open, does price break above, below, both sides, or stay contained within the prior range during the session?
Timeframe
Data range
2008-12-11 → 2026-05-05
Total sessions
4,332
Period
All history
Pattern frequency
Condition
Outcome
Probability
Baseline
N
Edge
Inside open
Open inside prior range
62.988%
0.623%
4,331
+62.36 pts
Inside open (breakout direction)
Broke above prior high only
40.176%
29.630%
2,728
+10.55 pts
Inside open (breakout direction)
Broke below prior low only
33.614%
40.741%
2,728
-7.13 pts
Inside open (breakout direction)
Broke both sides
9.238%
3.704%
2,728
+5.53 pts
Inside open (breakout direction)
Contained within prior range
16.972%
25.926%
2,728
-8.95 pts
Probabilities are observed frequencies over the selected period. The baseline is the same outcome's unconditional rate; edge is probability − baseline, in percentage points.
Sliced by dimensionexpand a dimension to see grouped probabilities