OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

T $25.00 Put

T261030P00025000

Latest saved OI3Oct 23, 2026
Last change-400vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $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. 7073530 2026-10-02: 705 OI2026-10-05: 707 OI2026-10-06: 388 OI2026-10-07: 388 OI2026-10-08: 412 OI2026-10-09: 393 OI2026-10-14: 395 OI2026-10-15: 405 OI2026-10-16: 406 OI2026-10-21: 403 OI2026-10-23: 3 OI Oct 02, 2026Oct 23, 2026

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

T contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3-400
Oct 21, 2026403-3
Oct 16, 2026406+1
Oct 15, 2026405+10
Oct 14, 2026395+2
Oct 09, 2026393-19
Oct 08, 2026412+24
Oct 07, 20263880
Oct 06, 2026388-319
Oct 05, 2026707+2
Oct 02, 2026705No prior observation