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Contract OI history

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Apr 16, 2027 EXPIRATION

STM $50.00 Call

STM270416C00050000

Latest saved OI148Oct 23, 2026
Last change+4vs 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. 150750 2026-10-02: 125 OI2026-10-05: 124 OI2026-10-06: 123 OI2026-10-07: 123 OI2026-10-08: 123 OI2026-10-09: 113 OI2026-10-13: 120 OI2026-10-14: 120 OI2026-10-15: 134 OI2026-10-16: 150 OI2026-10-21: 144 OI2026-10-23: 148 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, 2026Viewing148+4
Oct 21, 2026144-6
Oct 16, 2026150+16
Oct 15, 2026134+14
Oct 14, 20261200
Oct 13, 2026120+7
Oct 09, 2026113-10
Oct 08, 20261230
Oct 07, 20261230
Oct 06, 2026123-1
Oct 05, 2026124-1
Oct 02, 2026125No prior observation