OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

GRND $25.00 Call

GRND270115C00025000

Latest saved OI1,650Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GRND $25.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,6788390 2026-10-02: 1,653 OI2026-10-05: 1,653 OI2026-10-06: 1,653 OI2026-10-07: 1,678 OI2026-10-09: 1,678 OI2026-10-13: 1,650 OI2026-10-14: 1,650 OI2026-10-16: 1,650 OI2026-10-20: 1,650 OI2026-10-23: 1,650 OI Oct 02, 2026Oct 23, 2026

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

GRND contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,6500
Oct 20, 20261,6500
Oct 16, 20261,6500
Oct 14, 20261,6500
Oct 13, 20261,650-28
Oct 09, 20261,6780
Oct 07, 20261,678+25
Oct 06, 20261,6530
Oct 05, 20261,6530
Oct 02, 20261,653No prior observation