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Contract OI history

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Apr 16, 2027 EXPIRATION

STM $25.00 Put

STM270416P00025000

Latest saved OI313Oct 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 $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. 3131560 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 0 OI2026-10-13: 311 OI2026-10-14: 311 OI2026-10-15: 312 OI2026-10-16: 313 OI2026-10-21: 313 OI2026-10-23: 313 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, 2026Viewing3130
Oct 21, 20263130
Oct 16, 2026313+1
Oct 15, 2026312+1
Oct 14, 20263110
Oct 13, 2026311+311
Oct 09, 202600
Oct 08, 202600
Oct 07, 202600
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation