Data through close

Unusual put open interest accumulation

Which put OI increases were unusually large for their own ticker on Sep 22, 2026?

Positive daily put 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

8 tickers qualified. First five: FRO (Calls +12.71σ · puts +7.21σ · Put change +29968 contracts), VKTX (Calls +3.16σ · puts +3.09σ · Put change +10729 contracts), META (Calls +1.40σ · puts +2.85σ · Put change +141625 contracts), DKS (Calls +0.36σ · puts +2.73σ · Put change +10874 contracts), AS (Calls +0.05σ · puts +2.54σ · Put change +13469 contracts).

Unusual put open interest accumulation as of Sep 22, 2026 close
# Ticker Close Open interest Call / put daily OI surprise
1 FRO 47.92 234,997 Calls +12.71σ · puts +7.21σ · Put change +29968 contracts
2 VKTX 40.85 292,955 Calls +3.16σ · puts +3.09σ · Put change +10729 contracts
3 META 736.59 3,213,040 Calls +1.40σ · puts +2.85σ · Put change +141625 contracts
4 DKS 133.94 114,948 Calls +0.36σ · puts +2.73σ · Put change +10874 contracts
5 AS 27.65 187,569 Calls +0.05σ · puts +2.54σ · Put change +13469 contracts
6 DHT 21.39 159,950 Calls -0.03σ · puts +2.28σ · Put change +5946 contracts
7 WBD 30.83 2,811,709 Calls +0.64σ · puts +2.16σ · Put change +151301 contracts
8 BTBT 1.86 398,129 Calls +0.56σ · puts +2.03σ · Put change +9489 contracts

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