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Contract OI history

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Nov 20, 2026 EXPIRATION

GRAL $100.00 Put

GRAL261120P00100000

Latest saved OI217Oct 23, 2026
Last change+22vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GRAL $100.00 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. 2171080 2026-10-08: 133 OI2026-10-09: 133 OI2026-10-13: 133 OI2026-10-14: 133 OI2026-10-16: 133 OI2026-10-20: 195 OI2026-10-23: 217 OI Oct 08, 2026Oct 23, 2026

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

GRAL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing217+22
Oct 20, 2026195+62
Oct 16, 20261330
Oct 14, 20261330
Oct 13, 20261330
Oct 09, 20261330
Oct 08, 2026133No prior observation