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Contract OI history

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Nov 20, 2026 EXPIRATION

HESM $27.00 Put

HESM261120P00027000

Latest saved OI8Oct 20, 2026
Last change+3vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
HESM $27.00 put open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 840 2026-10-08: 0 OI2026-10-09: 0 OI2026-10-13: 0 OI2026-10-15: 5 OI2026-10-16: 5 OI2026-10-20: 8 OI Oct 08, 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, 2026Viewing8+3
Oct 16, 202650
Oct 15, 20265+5
Oct 13, 202600
Oct 09, 202600
Oct 08, 20260No prior observation