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Contract OI history

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Jan 15, 2027 EXPIRATION

MSFT $645.00 Call

MSFT270115C00645000

Latest saved OI515Oct 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 $645.00 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. 5152570 2026-10-09: 389 OI2026-10-13: 368 OI2026-10-14: 368 OI2026-10-15: 376 OI2026-10-16: 383 OI2026-10-21: 506 OI2026-10-23: 515 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, 2026Viewing515+9
Oct 21, 2026506+123
Oct 16, 2026383+7
Oct 15, 2026376+8
Oct 14, 20263680
Oct 13, 2026368-21
Oct 09, 2026389No prior observation