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Contract OI history

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Nov 20, 2026 EXPIRATION

STM $55.00 Call

STM261120C00055000

Latest saved OI6,659Oct 23, 2026
Last change-17vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
STM $55.00 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. 6,8083,4040 2026-10-02: 4,283 OI2026-10-05: 4,261 OI2026-10-06: 4,278 OI2026-10-07: 4,271 OI2026-10-08: 4,271 OI2026-10-09: 4,376 OI2026-10-13: 6,808 OI2026-10-14: 6,808 OI2026-10-15: 6,802 OI2026-10-16: 6,786 OI2026-10-21: 6,676 OI2026-10-23: 6,659 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, 2026Viewing6,659-17
Oct 21, 20266,676-110
Oct 16, 20266,786-16
Oct 15, 20266,802-6
Oct 14, 20266,8080
Oct 13, 20266,808+2,432
Oct 09, 20264,376+105
Oct 08, 20264,2710
Oct 07, 20264,271-7
Oct 06, 20264,278+17
Oct 05, 20264,261-22
Oct 02, 20264,283No prior observation