OITracker Cboe delayed data

Contract OI history

Back to MSFT

Dec 17, 2027 EXPIRATION

MSFT $300.00 Call

MSFT271217C00300000

Latest saved OI1,061Oct 23, 2026
Last change+9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $300.00 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. 1,0615300 2026-10-09: 847 OI2026-10-13: 856 OI2026-10-14: 856 OI2026-10-15: 857 OI2026-10-16: 920 OI2026-10-21: 1,052 OI2026-10-23: 1,061 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, 2026Viewing1,061+9
Oct 21, 20261,052+132
Oct 16, 2026920+63
Oct 15, 2026857+1
Oct 14, 20268560
Oct 13, 2026856+9
Oct 09, 2026847No prior observation