OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

ETOR $40.00 Call

ETOR270115C00040000

Latest saved OI1,821Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ETOR $40.00 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. 1,8259120 2026-10-09: 1,820 OI2026-10-13: 1,820 OI2026-10-14: 1,820 OI2026-10-15: 1,820 OI2026-10-16: 1,825 OI2026-10-21: 1,822 OI2026-10-23: 1,821 OI Oct 09, 2026Oct 23, 2026

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

ETOR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,821-1
Oct 21, 20261,822-3
Oct 16, 20261,825+5
Oct 15, 20261,8200
Oct 14, 20261,8200
Oct 13, 20261,8200
Oct 09, 20261,820No prior observation