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Contract OI history

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May 21, 2027 EXPIRATION

HESM $33.00 Call

HESM270521C00033000

Latest saved OI1,286Oct 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 $33.00 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. 1,2866430 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 310 OI2026-10-09: 310 OI2026-10-13: 1,245 OI2026-10-15: 1,286 OI2026-10-16: 1,286 OI2026-10-20: 1,286 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, 2026Viewing1,2860
Oct 16, 20261,2860
Oct 15, 20261,286+41
Oct 13, 20261,245+935
Oct 09, 20263100
Oct 08, 2026310+310
Oct 07, 202600
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation