OITracker Cboe delayed data

Contract OI history

Back to CPB

Feb 19, 2027 EXPIRATION

CPB $18.00 Put

CPB270219P00018000

Latest saved OI143Oct 23, 2026
Last change+25vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CPB $18.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 143710 2026-10-09: 93 OI2026-10-13: 90 OI2026-10-14: 100 OI2026-10-15: 119 OI2026-10-16: 118 OI2026-10-21: 118 OI2026-10-23: 143 OI Oct 09, 2026Oct 23, 2026

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

CPB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing143+25
Oct 21, 20261180
Oct 16, 2026118-1
Oct 15, 2026119+19
Oct 14, 2026100+10
Oct 13, 202690-3
Oct 09, 202693No prior observation