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Contract OI history

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Nov 20, 2026 EXPIRATION

GRND $20.00 Call

GRND261120C00020000

Latest saved OI185Oct 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 $20.00 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. 185920 2026-10-02: 175 OI2026-10-05: 175 OI2026-10-06: 175 OI2026-10-07: 175 OI2026-10-09: 175 OI2026-10-13: 175 OI2026-10-14: 175 OI2026-10-16: 175 OI2026-10-20: 185 OI2026-10-23: 185 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, 2026Viewing1850
Oct 20, 2026185+10
Oct 16, 20261750
Oct 14, 20261750
Oct 13, 20261750
Oct 09, 20261750
Oct 07, 20261750
Oct 06, 20261750
Oct 05, 20261750
Oct 02, 2026175No prior observation