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Contract OI history

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Nov 20, 2026 EXPIRATION

HESM $32.00 Put

HESM261120P00032000

Latest saved OI274Oct 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 $32.00 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. 2741370 2026-10-02: 74 OI2026-10-05: 74 OI2026-10-06: 74 OI2026-10-07: 74 OI2026-10-08: 92 OI2026-10-09: 212 OI2026-10-13: 270 OI2026-10-15: 272 OI2026-10-16: 273 OI2026-10-20: 274 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, 2026Viewing274+1
Oct 16, 2026273+1
Oct 15, 2026272+2
Oct 13, 2026270+58
Oct 09, 2026212+120
Oct 08, 202692+18
Oct 07, 2026740
Oct 06, 2026740
Oct 05, 2026740
Oct 02, 202674No prior observation