OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

IBKR $43.75 Call

IBKR270115C00043750

Latest saved OI6,789Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IBKR $43.75 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6,8253,4120 2026-10-09: 6,825 OI2026-10-13: 6,825 OI2026-10-14: 6,801 OI2026-10-15: 6,801 OI2026-10-16: 6,793 OI2026-10-21: 6,789 OI2026-10-23: 6,789 OI Oct 09, 2026Oct 23, 2026

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

IBKR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6,7890
Oct 21, 20266,789-4
Oct 16, 20266,793-8
Oct 15, 20266,8010
Oct 14, 20266,801-24
Oct 13, 20266,8250
Oct 09, 20266,825No prior observation