OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

SMR $25.00 Put

SMR280121P00025000

Latest saved OI988Oct 23, 2026
Last change-95vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SMR $25.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,3256620 2026-10-02: 1,233 OI2026-10-05: 1,233 OI2026-10-06: 1,233 OI2026-10-07: 1,253 OI2026-10-08: 1,253 OI2026-10-09: 1,325 OI2026-10-13: 1,049 OI2026-10-14: 1,049 OI2026-10-15: 1,071 OI2026-10-16: 1,071 OI2026-10-21: 1,083 OI2026-10-23: 988 OI Oct 02, 2026Oct 23, 2026

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

SMR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing988-95
Oct 21, 20261,083+12
Oct 16, 20261,0710
Oct 15, 20261,071+22
Oct 14, 20261,0490
Oct 13, 20261,049-276
Oct 09, 20261,325+72
Oct 08, 20261,2530
Oct 07, 20261,253+20
Oct 06, 20261,2330
Oct 05, 20261,2330
Oct 02, 20261,233No prior observation