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Contract OI history

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Dec 18, 2026 EXPIRATION

GRPN $17.00 Put

GRPN261218P00017000

Latest saved OI32Oct 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 $17.00 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. 32160 2026-10-08: 21 OI2026-10-09: 21 OI2026-10-13: 22 OI2026-10-14: 22 OI2026-10-15: 22 OI2026-10-16: 30 OI2026-10-20: 30 OI2026-10-23: 32 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, 202632+2
Oct 20, 2026Viewing300
Oct 16, 202630+8
Oct 15, 2026220
Oct 14, 2026220
Oct 13, 202622+1
Oct 09, 2026210
Oct 08, 202621No prior observation