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Contract OI history

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Feb 19, 2027 EXPIRATION

HESM $34.00 Put

HESM270219P00034000

Latest saved OI130Oct 20, 2026
Last change-10vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HESM $34.00 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. 140700 2026-10-02: 64 OI2026-10-05: 64 OI2026-10-06: 64 OI2026-10-07: 64 OI2026-10-08: 68 OI2026-10-09: 140 OI2026-10-13: 140 OI2026-10-15: 140 OI2026-10-16: 140 OI2026-10-20: 130 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, 2026Viewing130-10
Oct 16, 20261400
Oct 15, 20261400
Oct 13, 20261400
Oct 09, 2026140+72
Oct 08, 202668+4
Oct 07, 2026640
Oct 06, 2026640
Oct 05, 2026640
Oct 02, 202664No prior observation