Auto-derived from NVDA session history · updated nightly
On Fridays, Normal Variation sessions are the most common at 51.0%. Watch for a moderate range expansion past IB but capped at 2× IB.
IB breaks 88.5% of the time — only 11.5% of sessions stay range-bound. Both sides break 9.7% (Neutral days).
Average session range is 1.7 pts. The middle 68% of sessions runs -0.6880 → 4.0 — anything outside is an outlier day.
Gap up days test prior session high 65.8% of the time. Gap down days test prior low 68.7%.
When the IB VPOC sits in the upper half, IB high breaks 59.3% of the time. Lower half: IB low breaks 55.7% of the time.
51.9% of sessions close green. Average signed move is +0.06%, with a typical absolute move of ±1.83%.
96.5% of sessions break either the overnight high or low. The OVN high is tested 65.7% of the time, OVN low 59.2%.
How wide a typical day is, end to end
| Measure | Value |
|---|---|
Typical Half of sessions come in under this | 0.5771 pts |
Normal band The middle 68% of sessions | -0.6880 → 4.03 pts |
Unusual above A session range past this is an outlier day | 4.03 pts |
The first hour's high-to-low spread
| Measure | Value |
|---|---|
Typical Half of sessions come in under this | 0.3800 pts |
Normal band The middle 68% of sessions | -0.4466 → 2.69 pts |
Unusual above A first hour past this is an outlier day | 2.69 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.