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Contract OI history

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Jan 21, 2028 EXPIRATION

HIMS $40.00 Put

HIMS280121P00040000

Latest saved OI1,986Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HIMS $40.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,9869930 2026-10-02: 1,981 OI2026-10-05: 1,981 OI2026-10-06: 1,981 OI2026-10-07: 1,980 OI2026-10-08: 1,980 OI2026-10-09: 1,978 OI2026-10-13: 1,978 OI2026-10-14: 1,978 OI2026-10-15: 1,978 OI2026-10-16: 1,978 OI2026-10-21: 1,983 OI2026-10-23: 1,986 OI Oct 02, 2026Oct 23, 2026

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

HIMS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,986+3
Oct 21, 20261,983+5
Oct 16, 20261,9780
Oct 15, 20261,9780
Oct 14, 20261,9780
Oct 13, 20261,9780
Oct 09, 20261,978-2
Oct 08, 20261,9800
Oct 07, 20261,980-1
Oct 06, 20261,9810
Oct 05, 20261,9810
Oct 02, 20261,981No prior observation