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Contract OI history

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Dec 18, 2026 EXPIRATION

GRPN $15.00 Put

GRPN261218P00015000

Latest saved OI211Oct 23, 2026
Last change0vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GRPN $15.00 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. 2111050 2026-10-08: 106 OI2026-10-09: 96 OI2026-10-13: 96 OI2026-10-14: 96 OI2026-10-15: 194 OI2026-10-16: 194 OI2026-10-20: 211 OI2026-10-23: 211 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, 20262110
Oct 20, 2026Viewing211+17
Oct 16, 20261940
Oct 15, 2026194+98
Oct 14, 2026960
Oct 13, 2026960
Oct 09, 202696-10
Oct 08, 2026106No prior observation