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Contract OI history

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Nov 20, 2026 EXPIRATION

STM $50.00 Call

STM261120C00050000

Latest saved OI1,748Oct 23, 2026
Last change-3vs 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. 1,8009000 2026-10-02: 1,245 OI2026-10-05: 1,254 OI2026-10-06: 1,800 OI2026-10-07: 1,791 OI2026-10-08: 1,791 OI2026-10-09: 1,584 OI2026-10-13: 1,590 OI2026-10-14: 1,590 OI2026-10-15: 1,575 OI2026-10-16: 1,575 OI2026-10-21: 1,751 OI2026-10-23: 1,748 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, 20261,748-3
Oct 21, 2026Viewing1,751+176
Oct 16, 20261,5750
Oct 15, 20261,575-15
Oct 14, 20261,5900
Oct 13, 20261,590+6
Oct 09, 20261,584-207
Oct 08, 20261,7910
Oct 07, 20261,791-9
Oct 06, 20261,800+546
Oct 05, 20261,254+9
Oct 02, 20261,245No prior observation