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Contract OI history

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Nov 20, 2026 EXPIRATION

STM $49.00 Call

STM261120C00049000

Latest saved OI518Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
STM $49.00 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. 5182590 2026-10-02: 298 OI2026-10-05: 287 OI2026-10-06: 290 OI2026-10-07: 322 OI2026-10-08: 322 OI2026-10-09: 314 OI2026-10-13: 397 OI2026-10-14: 397 OI2026-10-15: 434 OI2026-10-16: 437 OI2026-10-21: 516 OI2026-10-23: 518 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, 2026518+2
Oct 21, 2026Viewing516+79
Oct 16, 2026437+3
Oct 15, 2026434+37
Oct 14, 20263970
Oct 13, 2026397+83
Oct 09, 2026314-8
Oct 08, 20263220
Oct 07, 2026322+32
Oct 06, 2026290+3
Oct 05, 2026287-11
Oct 02, 2026298No prior observation