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Contract OI history

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Oct 23, 2026 EXPIRATION

S $25.50 Call

S261023C00025500

Latest saved OI69Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
S $25.50 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. 77380 2026-10-02: 30 OI2026-10-05: 37 OI2026-10-06: 38 OI2026-10-07: 33 OI2026-10-08: 33 OI2026-10-09: 38 OI2026-10-13: 77 OI2026-10-14: 77 OI2026-10-15: 72 OI2026-10-16: 72 OI2026-10-21: 70 OI2026-10-23: 69 OI Oct 02, 2026Oct 23, 2026

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

S contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing69-1
Oct 21, 202670-2
Oct 16, 2026720
Oct 15, 202672-5
Oct 14, 2026770
Oct 13, 202677+39
Oct 09, 202638+5
Oct 08, 2026330
Oct 07, 202633-5
Oct 06, 202638+1
Oct 05, 202637+7
Oct 02, 202630No prior observation