OITracker Cboe delayed data

Contract OI history

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Jun 17, 2027 EXPIRATION

B $45.00 Call

B270617C00045000

Latest saved OI2,126Oct 23, 2026
Last change+2vs 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. 2,1291,0640 2026-10-02: 2,115 OI2026-10-05: 2,119 OI2026-10-06: 2,119 OI2026-10-07: 2,119 OI2026-10-08: 2,129 OI2026-10-09: 2,129 OI2026-10-13: 2,125 OI2026-10-14: 2,126 OI2026-10-15: 2,127 OI2026-10-16: 2,124 OI2026-10-21: 2,124 OI2026-10-23: 2,126 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, 2026Viewing2,126+2
Oct 21, 20262,1240
Oct 16, 20262,124-3
Oct 15, 20262,127+1
Oct 14, 20262,126+1
Oct 13, 20262,125-4
Oct 09, 20262,1290
Oct 08, 20262,129+10
Oct 07, 20262,1190
Oct 06, 20262,1190
Oct 05, 20262,119+4
Oct 02, 20262,115No prior observation