OITracker Cboe delayed data

Contract OI history

Back to MSFT

Dec 17, 2027 EXPIRATION

MSFT $290.00 Call

MSFT271217C00290000

Latest saved OI159Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $290.00 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. 159790 2026-10-09: 139 OI2026-10-13: 139 OI2026-10-14: 139 OI2026-10-15: 139 OI2026-10-16: 159 OI2026-10-21: 158 OI2026-10-23: 159 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, 2026Viewing159+1
Oct 21, 2026158-1
Oct 16, 2026159+20
Oct 15, 20261390
Oct 14, 20261390
Oct 13, 20261390
Oct 09, 2026139No prior observation