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Contract OI history

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Apr 16, 2027 EXPIRATION

MSFT $370.00 Put

MSFT270416P00370000

Latest saved OI602Oct 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 $370.00 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. 6023010 2026-10-09: 303 OI2026-10-13: 306 OI2026-10-14: 306 OI2026-10-15: 307 OI2026-10-16: 306 OI2026-10-21: 602 OI2026-10-23: 602 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, 2026Viewing6020
Oct 21, 2026602+296
Oct 16, 2026306-1
Oct 15, 2026307+1
Oct 14, 20263060
Oct 13, 2026306+3
Oct 09, 2026303No prior observation