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Contract OI history

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Dec 18, 2026 EXPIRATION

GPOR $160.00 Put

GPOR261218P00160000

Latest saved OI11Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GPOR $160.00 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. 1150 2026-10-02: 9 OI2026-10-05: 9 OI2026-10-06: 9 OI2026-10-07: 9 OI2026-10-08: 9 OI2026-10-09: 10 OI2026-10-13: 10 OI2026-10-14: 10 OI2026-10-16: 11 OI2026-10-20: 11 OI2026-10-23: 11 OI Oct 02, 2026Oct 23, 2026

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

GPOR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing110
Oct 20, 2026110
Oct 16, 202611+1
Oct 14, 2026100
Oct 13, 2026100
Oct 09, 202610+1
Oct 08, 202690
Oct 07, 202690
Oct 06, 202690
Oct 05, 202690
Oct 02, 20269No prior observation