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Contract OI history

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Jan 21, 2028 EXPIRATION

SO $82.50 Call

SO280121C00082500

Latest saved OI380Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SO $82.50 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. 3821910 2026-10-02: 358 OI2026-10-05: 358 OI2026-10-06: 380 OI2026-10-07: 381 OI2026-10-08: 382 OI2026-10-09: 382 OI2026-10-13: 381 OI2026-10-14: 381 OI2026-10-15: 381 OI2026-10-16: 380 OI2026-10-21: 380 OI2026-10-23: 380 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3800
Oct 21, 20263800
Oct 16, 2026380-1
Oct 15, 20263810
Oct 14, 20263810
Oct 13, 2026381-1
Oct 09, 20263820
Oct 08, 2026382+1
Oct 07, 2026381+1
Oct 06, 2026380+22
Oct 05, 20263580
Oct 02, 2026358No prior observation