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Contract OI history

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Nov 20, 2026 EXPIRATION

HESM $36.00 Call

HESM261120C00036000

Latest saved OI80Oct 20, 2026
Last change-9vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HESM $36.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 94470 2026-10-02: 39 OI2026-10-05: 39 OI2026-10-06: 39 OI2026-10-07: 39 OI2026-10-08: 42 OI2026-10-09: 94 OI2026-10-13: 88 OI2026-10-15: 87 OI2026-10-16: 89 OI2026-10-20: 80 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, 2026Viewing80-9
Oct 16, 202689+2
Oct 15, 202687-1
Oct 13, 202688-6
Oct 09, 202694+52
Oct 08, 202642+3
Oct 07, 2026390
Oct 06, 2026390
Oct 05, 2026390
Oct 02, 202639No prior observation