OITracker Cboe delayed data

Contract OI history

Back to MSFT

Nov 27, 2026 EXPIRATION

MSFT $585.00 Call

MSFT261127C00585000

Latest saved OI388Oct 23, 2026
Last change+58vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $585.00 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. 3881940 2026-10-09: 1 OI2026-10-13: 17 OI2026-10-14: 17 OI2026-10-15: 17 OI2026-10-16: 17 OI2026-10-21: 330 OI2026-10-23: 388 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, 2026Viewing388+58
Oct 21, 2026330+313
Oct 16, 2026170
Oct 15, 2026170
Oct 14, 2026170
Oct 13, 202617+16
Oct 09, 20261No prior observation