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Contract OI history

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Jun 17, 2027 EXPIRATION

MSFT $490.00 Put

MSFT270617P00490000

Latest saved OI1,773Oct 23, 2026
Last change-196vs 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. 1,9699840 2026-10-09: 1,925 OI2026-10-13: 1,930 OI2026-10-14: 1,930 OI2026-10-15: 1,886 OI2026-10-16: 1,749 OI2026-10-21: 1,969 OI2026-10-23: 1,773 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, 2026Viewing1,773-196
Oct 21, 20261,969+220
Oct 16, 20261,749-137
Oct 15, 20261,886-44
Oct 14, 20261,9300
Oct 13, 20261,930+5
Oct 09, 20261,925No prior observation