OITracker Cboe delayed data

Contract OI history

Back to MSFT

Nov 20, 2026 EXPIRATION

MSFT $490.00 Call

MSFT261120C00490000

Latest saved OI4,199Oct 23, 2026
Last change-35vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $490.00 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. 4,2342,1170 2026-10-09: 4,193 OI2026-10-13: 4,187 OI2026-10-14: 4,187 OI2026-10-15: 4,208 OI2026-10-16: 4,210 OI2026-10-21: 4,234 OI2026-10-23: 4,199 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, 2026Viewing4,199-35
Oct 21, 20264,234+24
Oct 16, 20264,210+2
Oct 15, 20264,208+21
Oct 14, 20264,1870
Oct 13, 20264,187-6
Oct 09, 20264,193No prior observation