OITracker Cboe delayed data

Contract OI history

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Feb 19, 2027 EXPIRATION

U $25.00 Put

U270219P00025000

Latest saved OI398Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
U $25.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3981990 2026-10-02: 397 OI2026-10-05: 398 OI2026-10-06: 398 OI2026-10-07: 398 OI2026-10-08: 398 OI2026-10-09: 398 OI2026-10-14: 398 OI2026-10-15: 398 OI2026-10-16: 398 OI2026-10-21: 398 OI2026-10-23: 398 OI Oct 02, 2026Oct 23, 2026

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

U contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20263980
Oct 21, 2026Viewing3980
Oct 16, 20263980
Oct 15, 20263980
Oct 14, 20263980
Oct 09, 20263980
Oct 08, 20263980
Oct 07, 20263980
Oct 06, 20263980
Oct 05, 2026398+1
Oct 02, 2026397No prior observation