OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

C $110.00 Put

C280121P00110000

Latest saved OI4,508Oct 23, 2026
Last change+26vs 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. 4,5082,2540 2026-10-02: 3,520 OI2026-10-05: 3,526 OI2026-10-06: 3,526 OI2026-10-07: 3,526 OI2026-10-08: 3,526 OI2026-10-09: 3,526 OI2026-10-13: 3,580 OI2026-10-14: 3,580 OI2026-10-15: 3,580 OI2026-10-16: 3,580 OI2026-10-21: 4,482 OI2026-10-23: 4,508 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, 2026Viewing4,508+26
Oct 21, 20264,482+902
Oct 16, 20263,5800
Oct 15, 20263,5800
Oct 14, 20263,5800
Oct 13, 20263,580+54
Oct 09, 20263,5260
Oct 08, 20263,5260
Oct 07, 20263,5260
Oct 06, 20263,5260
Oct 05, 20263,526+6
Oct 02, 20263,520No prior observation