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Contract OI history

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Nov 20, 2026 EXPIRATION

HESM $35.00 Put

HESM261120P00035000

Latest saved OI464Oct 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 $35.00 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. 4642320 2026-10-02: 393 OI2026-10-05: 393 OI2026-10-06: 453 OI2026-10-07: 453 OI2026-10-08: 453 OI2026-10-09: 453 OI2026-10-13: 463 OI2026-10-15: 459 OI2026-10-16: 464 OI2026-10-20: 464 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, 2026Viewing4640
Oct 16, 2026464+5
Oct 15, 2026459-4
Oct 13, 2026463+10
Oct 09, 20264530
Oct 08, 20264530
Oct 07, 20264530
Oct 06, 2026453+60
Oct 05, 20263930
Oct 02, 2026393No prior observation