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Contract OI history

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Oct 23, 2026 EXPIRATION

STM $49.50 Call

STM261023C00049500

Latest saved OI224Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
STM $49.50 call open interest history 6 saved observations from 2026-10-13 to 2026-10-23. Exact values and changes are listed in the table below. 2241120 2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 3 OI2026-10-16: 3 OI2026-10-21: 224 OI2026-10-23: 224 OI Oct 13, 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, 20262240
Oct 21, 2026Viewing224+221
Oct 16, 202630
Oct 15, 20263+3
Oct 14, 202600
Oct 13, 20260No prior observation