OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

U $25.00 Put

U270115P00025000

Latest saved OI2,451Oct 23, 2026
Last change-8vs 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. 2,4621,2310 2026-10-02: 2,458 OI2026-10-05: 2,458 OI2026-10-06: 2,459 OI2026-10-07: 2,459 OI2026-10-08: 2,459 OI2026-10-09: 2,460 OI2026-10-14: 2,460 OI2026-10-15: 2,462 OI2026-10-16: 2,461 OI2026-10-21: 2,459 OI2026-10-23: 2,451 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, 20262,451-8
Oct 21, 2026Viewing2,459-2
Oct 16, 20262,461-1
Oct 15, 20262,462+2
Oct 14, 20262,4600
Oct 09, 20262,460+1
Oct 08, 20262,4590
Oct 07, 20262,4590
Oct 06, 20262,459+1
Oct 05, 20262,4580
Oct 02, 20262,458No prior observation