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Contract OI history

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Nov 20, 2026 EXPIRATION

HYMC $21.00 Put

HYMC261120P00021000

Latest saved OI316Oct 23, 2026
Last change+1vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
HYMC $21.00 put open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3361680 2026-10-08: 336 OI2026-10-09: 336 OI2026-10-13: 322 OI2026-10-14: 320 OI2026-10-15: 315 OI2026-10-16: 315 OI2026-10-20: 315 OI2026-10-23: 316 OI Oct 08, 2026Oct 23, 2026

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

HYMC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026316+1
Oct 20, 2026Viewing3150
Oct 16, 20263150
Oct 15, 2026315-5
Oct 14, 2026320-2
Oct 13, 2026322-14
Oct 09, 20263360
Oct 08, 2026336No prior observation