Unusual call open interest accumulation
Which call OI increases were unusually large for their own ticker on Oct 14, 2026?
Positive daily call contract changes at least two standard deviations above their preceding-year norm. Requires at least 200 prior observations and 100,000 current total contracts. Calls and puts are standardized separately. More open contracts do not establish who bought or sold them. Data through close. Descriptive only, not a recommendation.
At a glance
2 tickers qualified. First five: EWZS (Calls +10.53σ · puts -0.04σ · Call change +29177 contracts), SNPS (Calls +4.28σ · puts +0.66σ · Call change +14255 contracts).
| # | Ticker | Close | Open interest | Call / put daily OI surprise |
|---|---|---|---|---|
| 1 | EWZS | 16.14 | 113,799 | Calls +10.53σ · puts -0.04σ · Call change +29177 contracts |
| 2 | SNPS | 479.93 | 103,700 | Calls +4.28σ · puts +0.66σ · Call change +14255 contracts |
Screens describe what the data shows after the close. They are not trade recommendations; see the disclaimer and the methodology.