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Contract OI history

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Apr 16, 2027 EXPIRATION

GRPN $18.00 Call

GRPN270416C00018000

Latest saved OI68Oct 23, 2026
Last change+14vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GRPN $18.00 call open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 68340 2026-10-08: 4 OI2026-10-09: 5 OI2026-10-13: 6 OI2026-10-14: 6 OI2026-10-15: 6 OI2026-10-16: 9 OI2026-10-20: 54 OI2026-10-23: 68 OI Oct 08, 2026Oct 23, 2026

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

GRPN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 202668+14
Oct 20, 2026Viewing54+45
Oct 16, 20269+3
Oct 15, 202660
Oct 14, 202660
Oct 13, 20266+1
Oct 09, 20265+1
Oct 08, 20264No prior observation