OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

MSFT $520.00 Call

MSFT270115C00520000

Latest saved OI6,780Oct 23, 2026
Last change+538vs 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. 6,7803,3900 2026-10-09: 6,120 OI2026-10-13: 6,115 OI2026-10-14: 6,115 OI2026-10-15: 6,131 OI2026-10-16: 6,202 OI2026-10-21: 6,242 OI2026-10-23: 6,780 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, 2026Viewing6,780+538
Oct 21, 20266,242+40
Oct 16, 20266,202+71
Oct 15, 20266,131+16
Oct 14, 20266,1150
Oct 13, 20266,115-5
Oct 09, 20266,120No prior observation