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Contract OI history

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Jun 16, 2028 EXPIRATION

MSFT $490.00 Put

MSFT280616P00490000

Latest saved OI324Oct 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 $490.00 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. 3241620 2026-10-09: 299 OI2026-10-13: 320 OI2026-10-14: 320 OI2026-10-15: 323 OI2026-10-16: 323 OI2026-10-21: 324 OI2026-10-23: 324 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, 2026Viewing3240
Oct 21, 2026324+1
Oct 16, 20263230
Oct 15, 2026323+3
Oct 14, 20263200
Oct 13, 2026320+21
Oct 09, 2026299No prior observation