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Contract OI history

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Nov 20, 2026 EXPIRATION

MSFT $660.00 Call

MSFT261120C00660000

Latest saved OI404Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $660.00 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. 4042020 2026-10-09: 300 OI2026-10-13: 322 OI2026-10-14: 322 OI2026-10-15: 345 OI2026-10-16: 345 OI2026-10-21: 404 OI2026-10-23: 404 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, 2026Viewing4040
Oct 21, 2026404+59
Oct 16, 20263450
Oct 15, 2026345+23
Oct 14, 20263220
Oct 13, 2026322+22
Oct 09, 2026300No prior observation