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Contract OI history

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Nov 20, 2026 EXPIRATION

GRPN $16.00 Put

GRPN261120P00016000

Latest saved OI2,180Oct 23, 2026
Last change+1,843vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GRPN $16.00 put open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2,1801,0900 2026-10-08: 276 OI2026-10-09: 276 OI2026-10-13: 276 OI2026-10-14: 276 OI2026-10-15: 276 OI2026-10-16: 276 OI2026-10-20: 337 OI2026-10-23: 2,180 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, 2026Viewing2,180+1,843
Oct 20, 2026337+61
Oct 16, 20262760
Oct 15, 20262760
Oct 14, 20262760
Oct 13, 20262760
Oct 09, 20262760
Oct 08, 2026276No prior observation