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Contract OI history

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Dec 18, 2026 EXPIRATION

GRPN $20.00 Call

GRPN261218C00020000

Latest saved OI213Oct 23, 2026
Last change+23vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GRPN $20.00 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. 2131060 2026-10-08: 124 OI2026-10-09: 128 OI2026-10-13: 131 OI2026-10-14: 131 OI2026-10-15: 131 OI2026-10-16: 138 OI2026-10-20: 190 OI2026-10-23: 213 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, 2026213+23
Oct 20, 2026Viewing190+52
Oct 16, 2026138+7
Oct 15, 20261310
Oct 14, 20261310
Oct 13, 2026131+3
Oct 09, 2026128+4
Oct 08, 2026124No prior observation