OITracker Cboe delayed data

Contract OI history

Back to MSFT

Jan 21, 2028 EXPIRATION

MSFT $510.00 Call

MSFT280121C00510000

Latest saved OI785Oct 23, 2026
Last change-22vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $510.00 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. 8154070 2026-10-09: 808 OI2026-10-13: 815 OI2026-10-14: 815 OI2026-10-15: 809 OI2026-10-16: 809 OI2026-10-21: 807 OI2026-10-23: 785 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, 2026Viewing785-22
Oct 21, 2026807-2
Oct 16, 20268090
Oct 15, 2026809-6
Oct 14, 20268150
Oct 13, 2026815+7
Oct 09, 2026808No prior observation