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Contract OI history

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Nov 20, 2026 EXPIRATION

HESM $33.00 Put

HESM261120P00033000

Latest saved OI129Oct 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 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. 136680 2026-10-02: 61 OI2026-10-05: 61 OI2026-10-06: 61 OI2026-10-07: 61 OI2026-10-08: 89 OI2026-10-09: 126 OI2026-10-13: 136 OI2026-10-15: 129 OI2026-10-16: 129 OI2026-10-20: 129 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, 2026Viewing1290
Oct 16, 20261290
Oct 15, 2026129-7
Oct 13, 2026136+10
Oct 09, 2026126+37
Oct 08, 202689+28
Oct 07, 2026610
Oct 06, 2026610
Oct 05, 2026610
Oct 02, 202661No prior observation