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Contract OI history

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Nov 20, 2026 EXPIRATION

STM $35.00 Call

STM261120C00035000

Latest saved OI457Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
STM $35.00 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. 4572280 2026-10-02: 457 OI2026-10-05: 457 OI2026-10-06: 457 OI2026-10-07: 457 OI2026-10-08: 457 OI2026-10-09: 457 OI2026-10-13: 456 OI2026-10-14: 456 OI2026-10-15: 456 OI2026-10-16: 456 OI2026-10-21: 456 OI2026-10-23: 457 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, 2026Viewing457+1
Oct 21, 20264560
Oct 16, 20264560
Oct 15, 20264560
Oct 14, 20264560
Oct 13, 2026456-1
Oct 09, 20264570
Oct 08, 20264570
Oct 07, 20264570
Oct 06, 20264570
Oct 05, 20264570
Oct 02, 2026457No prior observation