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Contract OI history

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Nov 20, 2026 EXPIRATION

HESM $38.00 Call

HESM261120C00038000

Latest saved OI166Oct 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. 2091040 2026-10-02: 179 OI2026-10-05: 179 OI2026-10-06: 180 OI2026-10-07: 180 OI2026-10-08: 209 OI2026-10-09: 169 OI2026-10-13: 166 OI2026-10-15: 166 OI2026-10-16: 166 OI2026-10-20: 166 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, 2026Viewing1660
Oct 16, 20261660
Oct 15, 20261660
Oct 13, 2026166-3
Oct 09, 2026169-40
Oct 08, 2026209+29
Oct 07, 20261800
Oct 06, 2026180+1
Oct 05, 20261790
Oct 02, 2026179No prior observation