OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

MU $220.00 Put

MU261030P00220000

Latest saved OI41Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MU $220.00 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. 41200 2026-10-09: 40 OI2026-10-13: 40 OI2026-10-14: 40 OI2026-10-15: 40 OI2026-10-16: 41 OI2026-10-21: 41 OI2026-10-23: 41 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, 2026Viewing410
Oct 21, 2026410
Oct 16, 202641+1
Oct 15, 2026400
Oct 14, 2026400
Oct 13, 2026400
Oct 09, 202640No prior observation