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Contract OI history

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May 21, 2027 EXPIRATION

GRCE $2.50 Put

GRCE270521P00002500

Latest saved OI132Oct 23, 2026
Last change+67vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GRCE $2.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 132660 2026-10-08: 12 OI2026-10-09: 12 OI2026-10-12: 33 OI2026-10-15: 33 OI2026-10-16: 33 OI2026-10-20: 65 OI2026-10-23: 132 OI Oct 08, 2026Oct 23, 2026

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

GRCE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing132+67
Oct 20, 202665+32
Oct 16, 2026330
Oct 15, 2026330
Oct 12, 202633+21
Oct 09, 2026120
Oct 08, 202612No prior observation