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Contract OI history

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Jan 21, 2028 EXPIRATION

GRPN $40.00 Call

GRPN280121C00040000

Latest saved OI6,389Oct 23, 2026
Last change+2vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GRPN $40.00 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. 6,3893,1940 2026-10-08: 6,332 OI2026-10-09: 6,332 OI2026-10-13: 6,332 OI2026-10-14: 6,332 OI2026-10-15: 6,334 OI2026-10-16: 6,337 OI2026-10-20: 6,387 OI2026-10-23: 6,389 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, 2026Viewing6,389+2
Oct 20, 20266,387+50
Oct 16, 20266,337+3
Oct 15, 20266,334+2
Oct 14, 20266,3320
Oct 13, 20266,3320
Oct 09, 20266,3320
Oct 08, 20266,332No prior observation