OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

GRPN $20.00 Put

GRPN270115P00020000

Latest saved OI321Oct 23, 2026
Last change-11vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GRPN $20.00 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. 3791890 2026-10-08: 379 OI2026-10-09: 379 OI2026-10-13: 349 OI2026-10-14: 349 OI2026-10-15: 332 OI2026-10-16: 332 OI2026-10-20: 332 OI2026-10-23: 321 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, 2026321-11
Oct 20, 2026Viewing3320
Oct 16, 20263320
Oct 15, 2026332-17
Oct 14, 20263490
Oct 13, 2026349-30
Oct 09, 20263790
Oct 08, 2026379No prior observation