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Contract OI history

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Feb 19, 2027 EXPIRATION

NAMS $25.00 Put

NAMS270219P00025000

Latest saved OI628Oct 23, 2026
Last change+20vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
NAMS $25.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 6283140 2026-10-08: 596 OI2026-10-09: 596 OI2026-10-13: 599 OI2026-10-14: 599 OI2026-10-16: 599 OI2026-10-20: 608 OI2026-10-23: 628 OI Oct 08, 2026Oct 23, 2026

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

NAMS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing628+20
Oct 20, 2026608+9
Oct 16, 20265990
Oct 14, 20265990
Oct 13, 2026599+3
Oct 09, 20265960
Oct 08, 2026596No prior observation