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Contract OI history

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Nov 19, 2027 EXPIRATION

STM $50.00 Call

STM271119C00050000

Latest saved OI431Oct 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 $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. 4472230 2026-10-02: 407 OI2026-10-05: 447 OI2026-10-06: 446 OI2026-10-07: 446 OI2026-10-08: 446 OI2026-10-09: 445 OI2026-10-13: 430 OI2026-10-14: 430 OI2026-10-15: 430 OI2026-10-16: 431 OI2026-10-21: 431 OI2026-10-23: 431 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, 2026Viewing4310
Oct 21, 20264310
Oct 16, 2026431+1
Oct 15, 20264300
Oct 14, 20264300
Oct 13, 2026430-15
Oct 09, 2026445-1
Oct 08, 20264460
Oct 07, 20264460
Oct 06, 2026446-1
Oct 05, 2026447+40
Oct 02, 2026407No prior observation