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Contract OI history

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Nov 20, 2026 EXPIRATION

GRPN $19.00 Put

GRPN261120P00019000

Latest saved OI312Oct 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 $19.00 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. 3121560 2026-10-08: 246 OI2026-10-09: 249 OI2026-10-13: 277 OI2026-10-14: 277 OI2026-10-15: 276 OI2026-10-16: 311 OI2026-10-20: 312 OI2026-10-23: 312 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, 20263120
Oct 20, 2026Viewing312+1
Oct 16, 2026311+35
Oct 15, 2026276-1
Oct 14, 20262770
Oct 13, 2026277+28
Oct 09, 2026249+3
Oct 08, 2026246No prior observation