OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

MSFT $660.00 Call

MSFT270115C00660000

Latest saved OI924Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $660.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 9244620 2026-10-09: 882 OI2026-10-13: 911 OI2026-10-14: 911 OI2026-10-15: 912 OI2026-10-16: 912 OI2026-10-21: 919 OI2026-10-23: 924 OI Oct 09, 2026Oct 23, 2026

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

MSFT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing924+5
Oct 21, 2026919+7
Oct 16, 20269120
Oct 15, 2026912+1
Oct 14, 20269110
Oct 13, 2026911+29
Oct 09, 2026882No prior observation