OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

STM $15.00 Put

STM270115P00015000

Latest saved OI1,408Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
STM $15.00 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. 1,4097040 2026-10-02: 1,409 OI2026-10-05: 1,409 OI2026-10-06: 1,409 OI2026-10-07: 1,409 OI2026-10-08: 1,409 OI2026-10-09: 1,409 OI2026-10-13: 1,409 OI2026-10-14: 1,409 OI2026-10-15: 1,408 OI2026-10-16: 1,408 OI2026-10-21: 1,408 OI2026-10-23: 1,408 OI Oct 02, 2026Oct 23, 2026

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

STM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,4080
Oct 21, 20261,4080
Oct 16, 20261,4080
Oct 15, 20261,408-1
Oct 14, 20261,4090
Oct 13, 20261,4090
Oct 09, 20261,4090
Oct 08, 20261,4090
Oct 07, 20261,4090
Oct 06, 20261,4090
Oct 05, 20261,4090
Oct 02, 20261,409No prior observation