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Contract OI history

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Nov 06, 2026 EXPIRATION

MSFT $430.00 Put

MSFT261106P00430000

Latest saved OI506Oct 23, 2026
Last change+1vs 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. 5062530 2026-10-09: 472 OI2026-10-13: 473 OI2026-10-14: 473 OI2026-10-15: 474 OI2026-10-16: 474 OI2026-10-21: 505 OI2026-10-23: 506 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, 2026Viewing506+1
Oct 21, 2026505+31
Oct 16, 20264740
Oct 15, 2026474+1
Oct 14, 20264730
Oct 13, 2026473+1
Oct 09, 2026472No prior observation