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Contract OI history

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Nov 20, 2026 EXPIRATION

GRPN $26.00 Call

GRPN261120C00026000

Latest saved OI43Oct 23, 2026
Last change+7vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GRPN $26.00 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. 43210 2026-10-08: 27 OI2026-10-09: 27 OI2026-10-13: 27 OI2026-10-14: 27 OI2026-10-15: 28 OI2026-10-16: 28 OI2026-10-20: 36 OI2026-10-23: 43 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, 2026Viewing43+7
Oct 20, 202636+8
Oct 16, 2026280
Oct 15, 202628+1
Oct 14, 2026270
Oct 13, 2026270
Oct 09, 2026270
Oct 08, 202627No prior observation