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Contract OI history

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Jun 17, 2027 EXPIRATION

MSFT $430.00 Put

MSFT270617P00430000

Latest saved OI4,008Oct 23, 2026
Last change+33vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $430.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4,0082,0040 2026-10-09: 3,832 OI2026-10-13: 3,890 OI2026-10-14: 3,890 OI2026-10-15: 3,899 OI2026-10-16: 3,950 OI2026-10-21: 3,975 OI2026-10-23: 4,008 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, 2026Viewing4,008+33
Oct 21, 20263,975+25
Oct 16, 20263,950+51
Oct 15, 20263,899+9
Oct 14, 20263,8900
Oct 13, 20263,890+58
Oct 09, 20263,832No prior observation