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Contract OI history

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Oct 23, 2026 EXPIRATION

STM $45.00 Put

STM261023P00045000

Latest saved OI139Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
STM $45.00 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. 189940 2026-10-02: 37 OI2026-10-05: 37 OI2026-10-06: 36 OI2026-10-07: 36 OI2026-10-08: 36 OI2026-10-09: 36 OI2026-10-13: 36 OI2026-10-14: 36 OI2026-10-15: 53 OI2026-10-16: 189 OI2026-10-21: 143 OI2026-10-23: 139 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, 2026Viewing139-4
Oct 21, 2026143-46
Oct 16, 2026189+136
Oct 15, 202653+17
Oct 14, 2026360
Oct 13, 2026360
Oct 09, 2026360
Oct 08, 2026360
Oct 07, 2026360
Oct 06, 202636-1
Oct 05, 2026370
Oct 02, 202637No prior observation