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Contract OI history

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Dec 18, 2026 EXPIRATION

HRMY $40.00 Call

HRMY261218C00040000

Latest saved OI1,450Oct 23, 2026
Last change-2vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
HRMY $40.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,7008500 2026-10-09: 1,700 OI2026-10-13: 1,693 OI2026-10-14: 1,483 OI2026-10-16: 1,470 OI2026-10-20: 1,452 OI2026-10-23: 1,450 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

HRMY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,450-2
Oct 20, 20261,452-18
Oct 16, 20261,470-13
Oct 14, 20261,483-210
Oct 13, 20261,693-7
Oct 09, 20261,700No prior observation