OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

C $110.00 Put

C261218P00110000

Latest saved OI5,524Oct 23, 2026
Last change+246vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
C $110.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5,5242,7620 2026-10-02: 4,605 OI2026-10-05: 4,602 OI2026-10-06: 4,608 OI2026-10-07: 4,630 OI2026-10-08: 4,630 OI2026-10-09: 4,714 OI2026-10-13: 4,729 OI2026-10-14: 4,729 OI2026-10-15: 4,745 OI2026-10-16: 5,052 OI2026-10-21: 5,278 OI2026-10-23: 5,524 OI Oct 02, 2026Oct 23, 2026

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

C contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5,524+246
Oct 21, 20265,278+226
Oct 16, 20265,052+307
Oct 15, 20264,745+16
Oct 14, 20264,7290
Oct 13, 20264,729+15
Oct 09, 20264,714+84
Oct 08, 20264,6300
Oct 07, 20264,630+22
Oct 06, 20264,608+6
Oct 05, 20264,602-3
Oct 02, 20264,605No prior observation