OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

MSFT $440.00 Call

MSFT270115C00440000

Latest saved OI5,478Oct 23, 2026
Last change+158vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $440.00 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. 5,4782,7390 2026-10-09: 5,459 OI2026-10-13: 5,300 OI2026-10-14: 5,300 OI2026-10-15: 5,293 OI2026-10-16: 5,317 OI2026-10-21: 5,320 OI2026-10-23: 5,478 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, 2026Viewing5,478+158
Oct 21, 20265,320+3
Oct 16, 20265,317+24
Oct 15, 20265,293-7
Oct 14, 20265,3000
Oct 13, 20265,300-159
Oct 09, 20265,459No prior observation