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Contract OI history

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Oct 23, 2026 EXPIRATION

GRRR $8.50 Put

GRRR261023P00008500

Latest saved OI155Oct 23, 2026
Last change+8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GRRR $8.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 169840 2026-10-09: 0 OI2026-10-13: 56 OI2026-10-14: 56 OI2026-10-15: 121 OI2026-10-16: 169 OI2026-10-21: 147 OI2026-10-23: 155 OI Oct 09, 2026Oct 23, 2026

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

GRRR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026155+8
Oct 21, 2026Viewing147-22
Oct 16, 2026169+48
Oct 15, 2026121+65
Oct 14, 2026560
Oct 13, 202656+56
Oct 09, 20260No prior observation