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Contract OI history

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Oct 23, 2026 EXPIRATION

STM $47.50 Call

STM261023C00047500

Latest saved OI638Oct 23, 2026
Last change+393vs previous saved observation
Saved market days6Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
STM $47.50 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. 6383190 2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 200 OI2026-10-16: 83 OI2026-10-21: 245 OI2026-10-23: 638 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, 2026638+393
Oct 21, 2026Viewing245+162
Oct 16, 202683-117
Oct 15, 2026200+200
Oct 14, 202600
Oct 13, 20260No prior observation