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Contract OI history

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Sep 17, 2027 EXPIRATION

MU $400.00 Put

MU270917P00400000

Latest saved OI390Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MU $400.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3901950 2026-10-09: 362 OI2026-10-13: 388 OI2026-10-14: 388 OI2026-10-15: 386 OI2026-10-16: 383 OI2026-10-21: 389 OI2026-10-23: 390 OI Oct 09, 2026Oct 23, 2026

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

MU contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing390+1
Oct 21, 2026389+6
Oct 16, 2026383-3
Oct 15, 2026386-2
Oct 14, 20263880
Oct 13, 2026388+26
Oct 09, 2026362No prior observation