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Contract OI history

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Nov 20, 2026 EXPIRATION

GRPN $19.00 Call

GRPN261120C00019000

Latest saved OI745Oct 23, 2026
Last change+17vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GRPN $19.00 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. 7453720 2026-10-08: 168 OI2026-10-09: 168 OI2026-10-13: 349 OI2026-10-14: 349 OI2026-10-15: 498 OI2026-10-16: 542 OI2026-10-20: 728 OI2026-10-23: 745 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, 2026745+17
Oct 20, 2026Viewing728+186
Oct 16, 2026542+44
Oct 15, 2026498+149
Oct 14, 20263490
Oct 13, 2026349+181
Oct 09, 20261680
Oct 08, 2026168No prior observation