OITracker Cboe delayed data

Contract OI history

Back to MSFT

Jan 21, 2028 EXPIRATION

MSFT $220.00 Call

MSFT280121C00220000

Latest saved OI133Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $220.00 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. 133660 2026-10-09: 116 OI2026-10-13: 115 OI2026-10-14: 115 OI2026-10-15: 115 OI2026-10-16: 114 OI2026-10-21: 133 OI2026-10-23: 133 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, 2026Viewing1330
Oct 21, 2026133+19
Oct 16, 2026114-1
Oct 15, 20261150
Oct 14, 20261150
Oct 13, 2026115-1
Oct 09, 2026116No prior observation