OITracker Cboe delayed data

Contract OI history

Back to MSFT

Jan 21, 2028 EXPIRATION

MSFT $520.00 Call

MSFT280121C00520000

Latest saved OI1,011Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $520.00 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. 1,0165080 2026-10-09: 1,011 OI2026-10-13: 1,008 OI2026-10-14: 1,008 OI2026-10-15: 1,016 OI2026-10-16: 1,014 OI2026-10-21: 1,007 OI2026-10-23: 1,011 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, 2026Viewing1,011+4
Oct 21, 20261,007-7
Oct 16, 20261,014-2
Oct 15, 20261,016+8
Oct 14, 20261,0080
Oct 13, 20261,008-3
Oct 09, 20261,011No prior observation