OITracker Cboe delayed data

Contract OI history

Back to B

Jan 15, 2027 EXPIRATION

B $15.00 Put

B270115P00015000

Latest saved OI6,020Oct 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 $15.00 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. 6,0203,0100 2026-10-02: 6,020 OI2026-10-05: 6,020 OI2026-10-06: 6,020 OI2026-10-07: 6,020 OI2026-10-08: 6,020 OI2026-10-09: 6,020 OI2026-10-13: 6,020 OI2026-10-14: 6,020 OI2026-10-15: 6,020 OI2026-10-16: 6,020 OI2026-10-21: 6,020 OI2026-10-23: 6,020 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, 2026Viewing6,0200
Oct 21, 20266,0200
Oct 16, 20266,0200
Oct 15, 20266,0200
Oct 14, 20266,0200
Oct 13, 20266,0200
Oct 09, 20266,0200
Oct 08, 20266,0200
Oct 07, 20266,0200
Oct 06, 20266,0200
Oct 05, 20266,0200
Oct 02, 20266,020No prior observation