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Contract OI history

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Nov 20, 2026 EXPIRATION

HESM $30.00 Put

HESM261120P00030000

Latest saved OI506Oct 20, 2026
Last change+154vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HESM $30.00 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. 5062530 2026-10-02: 114 OI2026-10-05: 114 OI2026-10-06: 114 OI2026-10-07: 114 OI2026-10-08: 309 OI2026-10-09: 280 OI2026-10-13: 280 OI2026-10-15: 344 OI2026-10-16: 352 OI2026-10-20: 506 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, 2026Viewing506+154
Oct 16, 2026352+8
Oct 15, 2026344+64
Oct 13, 20262800
Oct 09, 2026280-29
Oct 08, 2026309+195
Oct 07, 20261140
Oct 06, 20261140
Oct 05, 20261140
Oct 02, 2026114No prior observation