OITracker Cboe delayed data

Contract OI history

Back to B

Dec 15, 2028 EXPIRATION

B $33.00 Put

B281215P00033000

Latest saved OI628Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $33.00 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. 6283140 2026-10-02: 413 OI2026-10-05: 413 OI2026-10-06: 413 OI2026-10-07: 413 OI2026-10-08: 619 OI2026-10-09: 619 OI2026-10-13: 619 OI2026-10-14: 619 OI2026-10-15: 628 OI2026-10-16: 628 OI2026-10-21: 628 OI2026-10-23: 628 OI Oct 02, 2026Oct 23, 2026

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

B contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6280
Oct 21, 20266280
Oct 16, 20266280
Oct 15, 2026628+9
Oct 14, 20266190
Oct 13, 20266190
Oct 09, 20266190
Oct 08, 2026619+206
Oct 07, 20264130
Oct 06, 20264130
Oct 05, 20264130
Oct 02, 2026413No prior observation