OITracker Cboe delayed data

Contract OI history

Back to MU

Jan 15, 2027 EXPIRATION

MU $40.00 Put

MU270115P00040000

Latest saved OI4,090Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MU $40.00 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. 4,0922,0460 2026-10-09: 4,089 OI2026-10-13: 4,089 OI2026-10-14: 4,089 OI2026-10-15: 4,089 OI2026-10-16: 4,089 OI2026-10-21: 4,092 OI2026-10-23: 4,090 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, 2026Viewing4,090-2
Oct 21, 20264,092+3
Oct 16, 20264,0890
Oct 15, 20264,0890
Oct 14, 20264,0890
Oct 13, 20264,0890
Oct 09, 20264,089No prior observation