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Contract OI history

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Mar 19, 2027 EXPIRATION

GPRK $10.00 Call

GPRK270319C00010000

Latest saved OI181Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GPRK $10.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 181900 2026-10-02: 181 OI2026-10-05: 181 OI2026-10-06: 181 OI2026-10-07: 181 OI2026-10-08: 181 OI2026-10-09: 181 OI2026-10-13: 181 OI2026-10-14: 181 OI2026-10-16: 181 OI2026-10-20: 181 OI2026-10-23: 181 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, 20261810
Oct 20, 2026Viewing1810
Oct 16, 20261810
Oct 14, 20261810
Oct 13, 20261810
Oct 09, 20261810
Oct 08, 20261810
Oct 07, 20261810
Oct 06, 20261810
Oct 05, 20261810
Oct 02, 2026181No prior observation