OITracker Cboe delayed data

Contract OI history

Back to MSFT

Dec 18, 2026 EXPIRATION

MSFT $425.00 Call

MSFT261218C00425000

Latest saved OI1,896Oct 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
MSFT $425.00 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. 1,9209600 2026-10-09: 1,920 OI2026-10-13: 1,904 OI2026-10-14: 1,904 OI2026-10-15: 1,904 OI2026-10-16: 1,902 OI2026-10-21: 1,897 OI2026-10-23: 1,896 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, 2026Viewing1,896-1
Oct 21, 20261,897-5
Oct 16, 20261,902-2
Oct 15, 20261,9040
Oct 14, 20261,9040
Oct 13, 20261,904-16
Oct 09, 20261,920No prior observation