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Contract OI history

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Feb 19, 2027 EXPIRATION

HESM $31.00 Call

HESM270219C00031000

Latest saved OI7Oct 20, 2026
Last change+5vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HESM $31.00 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. 730 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 2 OI2026-10-09: 2 OI2026-10-13: 2 OI2026-10-15: 2 OI2026-10-16: 2 OI2026-10-20: 7 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, 2026Viewing7+5
Oct 16, 202620
Oct 15, 202620
Oct 13, 202620
Oct 09, 202620
Oct 08, 20262+2
Oct 07, 202600
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation