OITracker Cboe delayed data

Contract OI history

Back to GPRK

Dec 18, 2026 EXPIRATION

GPRK $10.00 Put

GPRK261218P00010000

Latest saved OI431Oct 23, 2026
Last change-149vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GPRK $10.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5802900 2026-10-02: 580 OI2026-10-05: 580 OI2026-10-06: 580 OI2026-10-07: 580 OI2026-10-08: 580 OI2026-10-09: 580 OI2026-10-13: 580 OI2026-10-14: 580 OI2026-10-16: 580 OI2026-10-20: 580 OI2026-10-23: 431 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

GPRK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026431-149
Oct 20, 2026Viewing5800
Oct 16, 20265800
Oct 14, 20265800
Oct 13, 20265800
Oct 09, 20265800
Oct 08, 20265800
Oct 07, 20265800
Oct 06, 20265800
Oct 05, 20265800
Oct 02, 2026580No prior observation