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Contract OI history

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May 21, 2027 EXPIRATION

HDSN $4.00 Call

HDSN270521C00004000

Latest saved OI95Oct 20, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
HDSN $4.00 call open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 2001000 2026-10-08: 200 OI2026-10-09: 200 OI2026-10-13: 95 OI2026-10-14: 95 OI2026-10-16: 95 OI2026-10-20: 95 OI Oct 08, 2026Oct 20, 2026

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

HDSN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing950
Oct 16, 2026950
Oct 14, 2026950
Oct 13, 202695-105
Oct 09, 20262000
Oct 08, 2026200No prior observation