OITracker Cboe delayed data

Contract OI history

Back to MSFT

Oct 30, 2026 EXPIRATION

MSFT $480.00 Call

MSFT261030C00480000

Latest saved OI1,445Oct 23, 2026
Last change-9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $480.00 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. 1,4547270 2026-10-09: 1,448 OI2026-10-13: 1,453 OI2026-10-14: 1,453 OI2026-10-15: 1,453 OI2026-10-16: 1,453 OI2026-10-21: 1,454 OI2026-10-23: 1,445 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, 2026Viewing1,445-9
Oct 21, 20261,454+1
Oct 16, 20261,4530
Oct 15, 20261,4530
Oct 14, 20261,4530
Oct 13, 20261,453+5
Oct 09, 20261,448No prior observation