OITracker Cboe delayed data

Contract OI history

Back to MSFT

Oct 26, 2026 EXPIRATION

MSFT $550.00 Call

MSFT261026C00550000

Latest saved OI985Oct 23, 2026
Last change+548vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $550.00 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. 9854920 2026-10-09: 0 OI2026-10-13: 124 OI2026-10-14: 124 OI2026-10-15: 197 OI2026-10-16: 215 OI2026-10-21: 437 OI2026-10-23: 985 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, 2026Viewing985+548
Oct 21, 2026437+222
Oct 16, 2026215+18
Oct 15, 2026197+73
Oct 14, 20261240
Oct 13, 2026124+124
Oct 09, 20260No prior observation