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Contract OI history

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Dec 18, 2026 EXPIRATION

HESM $36.00 Put

HESM261218P00036000

Latest saved OI6,408Oct 20, 2026
Last change-1,499vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HESM $36.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 9,2284,6140 2026-10-02: 9,228 OI2026-10-05: 9,225 OI2026-10-06: 9,213 OI2026-10-07: 9,213 OI2026-10-08: 9,210 OI2026-10-09: 9,209 OI2026-10-13: 7,907 OI2026-10-15: 7,907 OI2026-10-16: 7,907 OI2026-10-20: 6,408 OI Oct 02, 2026Oct 20, 2026

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

HESM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing6,408-1,499
Oct 16, 20267,9070
Oct 15, 20267,9070
Oct 13, 20267,907-1,302
Oct 09, 20269,209-1
Oct 08, 20269,210-3
Oct 07, 20269,2130
Oct 06, 20269,213-12
Oct 05, 20269,225-3
Oct 02, 20269,228No prior observation