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Contract OI history

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Jan 15, 2027 EXPIRATION

GRAL $115.00 Put

GRAL270115P00115000

Latest saved OI133Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GRAL $115.00 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. 133660 2026-10-08: 87 OI2026-10-09: 88 OI2026-10-13: 130 OI2026-10-14: 130 OI2026-10-16: 130 OI2026-10-20: 132 OI2026-10-23: 133 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, 2026Viewing133+1
Oct 20, 2026132+2
Oct 16, 20261300
Oct 14, 20261300
Oct 13, 2026130+42
Oct 09, 202688+1
Oct 08, 202687No prior observation