OITracker Cboe delayed data

Contract OI history

Back to B

Mar 19, 2027 EXPIRATION

B $44.00 Put

B270319P00044000

Latest saved OI460Oct 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 $44.00 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. 4602300 2026-10-02: 451 OI2026-10-05: 451 OI2026-10-06: 451 OI2026-10-07: 452 OI2026-10-08: 452 OI2026-10-09: 452 OI2026-10-13: 460 OI2026-10-14: 460 OI2026-10-15: 460 OI2026-10-16: 460 OI2026-10-21: 460 OI2026-10-23: 460 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, 2026Viewing4600
Oct 21, 20264600
Oct 16, 20264600
Oct 15, 20264600
Oct 14, 20264600
Oct 13, 2026460+8
Oct 09, 20264520
Oct 08, 20264520
Oct 07, 2026452+1
Oct 06, 20264510
Oct 05, 20264510
Oct 02, 2026451No prior observation