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Contract OI history

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Nov 20, 2026 EXPIRATION

HESM $41.00 Call

HESM261120C00041000

Latest saved OI496Oct 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 $41.00 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. 5322660 2026-10-02: 527 OI2026-10-05: 526 OI2026-10-06: 532 OI2026-10-07: 532 OI2026-10-08: 514 OI2026-10-09: 499 OI2026-10-13: 497 OI2026-10-15: 496 OI2026-10-16: 496 OI2026-10-20: 496 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, 2026Viewing4960
Oct 16, 20264960
Oct 15, 2026496-1
Oct 13, 2026497-2
Oct 09, 2026499-15
Oct 08, 2026514-18
Oct 07, 20265320
Oct 06, 2026532+6
Oct 05, 2026526-1
Oct 02, 2026527No prior observation