OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

IBKR $100.00 Call

IBKR270319C00100000

Latest saved OI220Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IBKR $100.00 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. 2221110 2026-10-09: 207 OI2026-10-13: 207 OI2026-10-14: 207 OI2026-10-15: 208 OI2026-10-16: 214 OI2026-10-21: 222 OI2026-10-23: 220 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, 2026Viewing220-2
Oct 21, 2026222+8
Oct 16, 2026214+6
Oct 15, 2026208+1
Oct 14, 20262070
Oct 13, 20262070
Oct 09, 2026207No prior observation