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Contract OI history

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Jan 21, 2028 EXPIRATION

GRPN $15.00 Call

GRPN280121C00015000

Latest saved OI1,137Oct 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 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. 1,1385690 2026-10-08: 1,138 OI2026-10-09: 1,138 OI2026-10-13: 1,138 OI2026-10-14: 1,138 OI2026-10-15: 1,138 OI2026-10-16: 1,138 OI2026-10-20: 1,137 OI2026-10-23: 1,137 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, 2026Viewing1,1370
Oct 20, 20261,137-1
Oct 16, 20261,1380
Oct 15, 20261,1380
Oct 14, 20261,1380
Oct 13, 20261,1380
Oct 09, 20261,1380
Oct 08, 20261,138No prior observation