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Contract OI history

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Dec 18, 2026 EXPIRATION

MSFT $600.00 Call

MSFT261218C00600000

Latest saved OI33,775Oct 23, 2026
Last change+3,466vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $600.00 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. 33,77516,8870 2026-10-09: 12,560 OI2026-10-13: 12,771 OI2026-10-14: 12,771 OI2026-10-15: 20,463 OI2026-10-16: 20,630 OI2026-10-21: 30,309 OI2026-10-23: 33,775 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, 2026Viewing33,775+3,466
Oct 21, 202630,309+9,679
Oct 16, 202620,630+167
Oct 15, 202620,463+7,692
Oct 14, 202612,7710
Oct 13, 202612,771+211
Oct 09, 202612,560No prior observation