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Contract OI history

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Oct 30, 2026 EXPIRATION

MSFT $660.00 Call

MSFT261030C00660000

Latest saved OI262Oct 23, 2026
Last change+4vs 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. 7403700 2026-10-09: 730 OI2026-10-13: 737 OI2026-10-14: 737 OI2026-10-15: 740 OI2026-10-16: 740 OI2026-10-21: 258 OI2026-10-23: 262 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, 2026Viewing262+4
Oct 21, 2026258-482
Oct 16, 20267400
Oct 15, 2026740+3
Oct 14, 20267370
Oct 13, 2026737+7
Oct 09, 2026730No prior observation