Data through close

Unusual open interest accumulation

Where was the daily increase in open interest at least two standard deviations above its prior-year norm on Oct 6, 2026?

Today's contract change minus the mean of up to 252 preceding daily changes, divided by their sample standard deviation. Today is excluded from the baseline; at least 200 prior changes and 100,000 current contracts are required. Data through close. Descriptive only, not a recommendation.

At a glance

9 tickers qualified. First five: UMC (+63,330 · +5.64σ), PACB (+33,352 · +5.15σ), GFL (+37,804 · +3.90σ), CWH (+11,237 · +3.74σ), NVAX (+47,938 · +3.53σ).

Unusual open interest accumulation as of Oct 6, 2026 close
# Ticker Close Open interest 1-day OI change / z-score
1 UMC 23.19 287,729 +63,330 · +5.64σ
2 PACB 2.70 170,562 +33,352 · +5.15σ
3 GFL 42.52 496,566 +37,804 · +3.90σ
4 CWH 4.53 109,286 +11,237 · +3.74σ
5 NVAX 11.32 279,413 +47,938 · +3.53σ
6 GMAB 37.80 109,927 +11,990 · +3.34σ
7 EWZ 43.00 10,580,410 +741,234 · +3.04σ
8 LOW 183.66 152,505 +19,421 · +2.55σ
9 KHC 22.03 411,921 +55,447 · +2.03σ

Screens describe what the data shows after the close. They are not trade recommendations; see the disclaimer and the methodology.