Data through close

Unusual call open interest accumulation

Which call OI increases were unusually large for their own ticker on Oct 15, 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

11 tickers qualified. First five: EWZS (Calls +13.97σ · puts +1.12σ · Call change +46380 contracts), UMC (Calls +5.65σ · puts +2.61σ · Call change +59306 contracts), UNIT (Calls +3.05σ · puts +5.09σ · Call change +8674 contracts), RUM (Calls +2.91σ · puts +0.05σ · Call change +27215 contracts), LQD (Calls +2.89σ · puts +0.48σ · Call change +120561 contracts).

Unusual call open interest accumulation as of Oct 15, 2026 close
# Ticker Close Open interest Call / put daily OI surprise
1 EWZS 15.58 160,244 Calls +13.97σ · puts +1.12σ · Call change +46380 contracts
2 UMC 20.92 413,360 Calls +5.65σ · puts +2.61σ · Call change +59306 contracts
3 UNIT 6.01 174,304 Calls +3.05σ · puts +5.09σ · Call change +8674 contracts
4 RUM 6.15 194,846 Calls +2.91σ · puts +0.05σ · Call change +27215 contracts
5 LQD 103.50 3,171,003 Calls +2.89σ · puts +0.48σ · Call change +120561 contracts
6 GFL 43.55 627,770 Calls +2.89σ · puts +0.87σ · Call change +26703 contracts
7 CRWV 69.69 3,459,310 Calls +2.82σ · puts +5.08σ · Call change +210774 contracts
8 GLNG 44.95 114,684 Calls +2.56σ · puts -0.97σ · Call change +18489 contracts
9 NBIS 188.41 1,655,391 Calls +2.40σ · puts +1.35σ · Call change +83136 contracts
10 LQDA 34.78 267,017 Calls +2.26σ · puts +0.47σ · Call change +23296 contracts
11 JBLU 3.15 1,328,155 Calls +2.20σ · puts +2.50σ · Call change +52490 contracts

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