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Contract OI history

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Jan 21, 2028 EXPIRATION

GRAL $115.00 Put

GRAL280121P00115000

Latest saved OI8Oct 23, 2026
Last change0vs 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. 940 2026-10-08: 9 OI2026-10-09: 9 OI2026-10-13: 9 OI2026-10-14: 9 OI2026-10-16: 8 OI2026-10-20: 8 OI2026-10-23: 8 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, 2026Viewing80
Oct 20, 202680
Oct 16, 20268-1
Oct 14, 202690
Oct 13, 202690
Oct 09, 202690
Oct 08, 20269No prior observation