OITracker Cboe delayed data

Contract OI history

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Nov 06, 2026 EXPIRATION

S $25.50 Call

S261106C00025500

Latest saved OI18Oct 23, 2026
Last change0vs 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. 26130 2026-10-02: 1 OI2026-10-05: 7 OI2026-10-06: 19 OI2026-10-07: 19 OI2026-10-08: 19 OI2026-10-09: 26 OI2026-10-13: 24 OI2026-10-14: 24 OI2026-10-15: 24 OI2026-10-16: 21 OI2026-10-21: 18 OI2026-10-23: 18 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, 2026Viewing180
Oct 21, 202618-3
Oct 16, 202621-3
Oct 15, 2026240
Oct 14, 2026240
Oct 13, 202624-2
Oct 09, 202626+7
Oct 08, 2026190
Oct 07, 2026190
Oct 06, 202619+12
Oct 05, 20267+6
Oct 02, 20261No prior observation