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Contract OI history

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Jan 15, 2027 EXPIRATION

STM $23.00 Put

STM270115P00023000

Latest saved OI2,870Oct 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 $23.00 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. 2,8701,4350 2026-10-02: 2,870 OI2026-10-05: 2,870 OI2026-10-06: 2,870 OI2026-10-07: 2,870 OI2026-10-08: 2,870 OI2026-10-09: 2,870 OI2026-10-13: 2,870 OI2026-10-14: 2,870 OI2026-10-15: 2,870 OI2026-10-16: 2,870 OI2026-10-21: 2,870 OI2026-10-23: 2,870 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, 2026Viewing2,8700
Oct 21, 20262,8700
Oct 16, 20262,8700
Oct 15, 20262,8700
Oct 14, 20262,8700
Oct 13, 20262,8700
Oct 09, 20262,8700
Oct 08, 20262,8700
Oct 07, 20262,8700
Oct 06, 20262,8700
Oct 05, 20262,8700
Oct 02, 20262,870No prior observation