OITracker Cboe delayed data

Contract OI history

Back to C

Nov 20, 2026 EXPIRATION

C $123.00 Put

C261120P00123000

Latest saved OI199Oct 23, 2026
Last change+16vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
C $123.00 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 199990 2026-10-21: 183 OI2026-10-23: 199 OI Oct 21, 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, 2026Viewing199+16
Oct 21, 2026183No prior observation