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Contract OI history

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Oct 23, 2026 EXPIRATION

STM $50.00 Call

STM261023C00050000

Latest saved OI8,201Oct 23, 2026
Last change-220vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
STM $50.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8,4214,2100 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 13 OI2026-10-13: 126 OI2026-10-14: 126 OI2026-10-15: 7,844 OI2026-10-16: 8,020 OI2026-10-21: 8,421 OI2026-10-23: 8,201 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, 2026Viewing8,201-220
Oct 21, 20268,421+401
Oct 16, 20268,020+176
Oct 15, 20267,844+7,718
Oct 14, 20261260
Oct 13, 2026126+113
Oct 09, 202613+12
Oct 08, 202610
Oct 07, 202610
Oct 06, 202610
Oct 05, 202610
Oct 02, 20261No prior observation