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Contract OI history

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Jan 15, 2027 EXPIRATION

GRAL $80.00 Put

GRAL270115P00080000

Latest saved OI634Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GRAL $80.00 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. 6343170 2026-10-08: 629 OI2026-10-09: 629 OI2026-10-13: 630 OI2026-10-14: 630 OI2026-10-16: 630 OI2026-10-20: 630 OI2026-10-23: 634 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, 2026Viewing634+4
Oct 20, 20266300
Oct 16, 20266300
Oct 14, 20266300
Oct 13, 2026630+1
Oct 09, 20266290
Oct 08, 2026629No prior observation