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Contract OI history

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Dec 18, 2026 EXPIRATION

HESM $38.00 Call

HESM261218C00038000

Latest saved OI1Oct 20, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HESM $38.00 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. 10 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 1 OI2026-10-09: 1 OI2026-10-13: 1 OI2026-10-15: 1 OI2026-10-16: 1 OI2026-10-20: 1 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, 2026Viewing10
Oct 16, 202610
Oct 15, 202610
Oct 13, 202610
Oct 09, 202610
Oct 08, 20261+1
Oct 07, 202600
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation