OITracker Cboe delayed data

Contract OI history

Back to MSFT

Jan 21, 2028 EXPIRATION

MSFT $530.00 Call

MSFT280121C00530000

Latest saved OI1,034Oct 23, 2026
Last change+37vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $530.00 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. 1,0345170 2026-10-09: 1,011 OI2026-10-13: 998 OI2026-10-14: 998 OI2026-10-15: 996 OI2026-10-16: 1,001 OI2026-10-21: 997 OI2026-10-23: 1,034 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, 2026Viewing1,034+37
Oct 21, 2026997-4
Oct 16, 20261,001+5
Oct 15, 2026996-2
Oct 14, 20269980
Oct 13, 2026998-13
Oct 09, 20261,011No prior observation