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Contract OI history

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Nov 20, 2026 EXPIRATION

HESM $39.00 Put

HESM261120P00039000

Latest saved OI207Oct 20, 2026
Last change-1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HESM $39.00 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. 2081040 2026-10-02: 207 OI2026-10-05: 207 OI2026-10-06: 207 OI2026-10-07: 207 OI2026-10-08: 208 OI2026-10-09: 208 OI2026-10-13: 208 OI2026-10-15: 208 OI2026-10-16: 208 OI2026-10-20: 207 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, 2026Viewing207-1
Oct 16, 20262080
Oct 15, 20262080
Oct 13, 20262080
Oct 09, 20262080
Oct 08, 2026208+1
Oct 07, 20262070
Oct 06, 20262070
Oct 05, 20262070
Oct 02, 2026207No prior observation