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Contract OI history

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Jun 16, 2028 EXPIRATION

MSFT $290.00 Put

MSFT280616P00290000

Latest saved OI501Oct 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 $290.00 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. 5022510 2026-10-09: 502 OI2026-10-13: 501 OI2026-10-14: 501 OI2026-10-15: 501 OI2026-10-16: 501 OI2026-10-21: 501 OI2026-10-23: 501 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, 2026Viewing5010
Oct 21, 20265010
Oct 16, 20265010
Oct 15, 20265010
Oct 14, 20265010
Oct 13, 2026501-1
Oct 09, 2026502No prior observation