OITracker Cboe delayed data

Contract OI history

Back to B

Nov 20, 2026 EXPIRATION

B $45.00 Call

B261120C00045000

Latest saved OI1,810Oct 23, 2026
Last change+149vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $45.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,8109050 2026-10-02: 1,042 OI2026-10-05: 1,131 OI2026-10-06: 1,131 OI2026-10-07: 1,164 OI2026-10-08: 1,213 OI2026-10-09: 1,214 OI2026-10-13: 1,246 OI2026-10-14: 1,270 OI2026-10-15: 1,256 OI2026-10-16: 1,417 OI2026-10-21: 1,661 OI2026-10-23: 1,810 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, 2026Viewing1,810+149
Oct 21, 20261,661+244
Oct 16, 20261,417+161
Oct 15, 20261,256-14
Oct 14, 20261,270+24
Oct 13, 20261,246+32
Oct 09, 20261,214+1
Oct 08, 20261,213+49
Oct 07, 20261,164+33
Oct 06, 20261,1310
Oct 05, 20261,131+89
Oct 02, 20261,042No prior observation