OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

ET $22.00 Put

ET270115P00022000

Latest saved OI401Oct 08, 2026
Last change0vs previous saved observation
Saved market days5Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ET $22.00 put open interest history 5 saved observations from 2026-10-02 to 2026-10-08. Exact values and changes are listed in the table below. 4242120 2026-10-02: 424 OI2026-10-05: 424 OI2026-10-06: 401 OI2026-10-07: 401 OI2026-10-08: 401 OI Oct 02, 2026Oct 08, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ET contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 08, 2026Viewing4010
Oct 07, 20264010
Oct 06, 2026401-23
Oct 05, 20264240
Oct 02, 2026424No prior observation