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Contract OI history

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Feb 19, 2027 EXPIRATION

HESM $35.00 Put

HESM270219P00035000

Latest saved OI119Oct 20, 2026
Last change+4vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HESM $35.00 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. 119590 2026-10-02: 115 OI2026-10-05: 115 OI2026-10-06: 115 OI2026-10-07: 115 OI2026-10-08: 115 OI2026-10-09: 115 OI2026-10-13: 115 OI2026-10-15: 115 OI2026-10-16: 115 OI2026-10-20: 119 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, 2026Viewing119+4
Oct 16, 20261150
Oct 15, 20261150
Oct 13, 20261150
Oct 09, 20261150
Oct 08, 20261150
Oct 07, 20261150
Oct 06, 20261150
Oct 05, 20261150
Oct 02, 2026115No prior observation