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Contract OI history

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Nov 20, 2026 EXPIRATION

GRND $13.00 Put

GRND261120P00013000

Latest saved OI275Oct 23, 2026
Last change+7vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GRND $13.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2751370 2026-10-02: 232 OI2026-10-05: 238 OI2026-10-06: 238 OI2026-10-07: 238 OI2026-10-09: 238 OI2026-10-13: 258 OI2026-10-14: 258 OI2026-10-16: 259 OI2026-10-20: 268 OI2026-10-23: 275 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, 2026Viewing275+7
Oct 20, 2026268+9
Oct 16, 2026259+1
Oct 14, 20262580
Oct 13, 2026258+20
Oct 09, 20262380
Oct 07, 20262380
Oct 06, 20262380
Oct 05, 2026238+6
Oct 02, 2026232No prior observation