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Contract OI history

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Jan 15, 2027 EXPIRATION

GRPN $29.00 Call

GRPN270115C00029000

Latest saved OI42Oct 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 $29.00 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. 42210 2026-10-08: 41 OI2026-10-09: 41 OI2026-10-13: 41 OI2026-10-14: 41 OI2026-10-15: 41 OI2026-10-16: 41 OI2026-10-20: 42 OI2026-10-23: 42 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, 2026420
Oct 20, 2026Viewing42+1
Oct 16, 2026410
Oct 15, 2026410
Oct 14, 2026410
Oct 13, 2026410
Oct 09, 2026410
Oct 08, 202641No prior observation