Auto-derived from VIX session history · updated nightly
On Fridays, Normal Variation sessions are the most common at 34.7%. Watch for a moderate range expansion past IB but capped at 2× IB.
IB breaks 98.1% of the time — only 1.9% of sessions stay range-bound. Both sides break 32.2% (Neutral days).
Average session range is 1.8 pts. The middle 68% of sessions runs -0.2039 → 3.8 — anything outside is an outlier day.
When the IB VPOC sits in the upper half, IB high breaks 0.0% of the time. Lower half: IB low breaks 0.0% of the time.
37.1% of sessions close green. Average signed move is -0.59%, with a typical absolute move of ±4.53%.
91.3% of sessions break either the overnight high or low. The OVN high is tested 55.5% of the time, OVN low 60.5%.
How wide a typical day is, end to end
| Measure | Value |
|---|---|
Typical Half of sessions come in under this | 1.26 pts |
Normal band The middle 68% of sessions | -0.2039 → 3.83 pts |
Unusual above A session range past this is an outlier day | 3.83 pts |
The first hour's high-to-low spread
| Measure | Value |
|---|---|
Typical Half of sessions come in under this | 0.6100 pts |
Normal band The middle 68% of sessions | -0.2348 → 1.98 pts |
Unusual above A first hour past this is an outlier day | 1.98 pts |
Initial Balance break rates · day types by weekday · gap behavior · value-area touches · seasonality · the full set. Pro is $9/mo, cancellable anytime, and gives you every market on this list.