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Contract OI history

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Apr 16, 2027 EXPIRATION

MSFT $495.00 Put

MSFT270416P00495000

Latest saved OI414Oct 23, 2026
Last change+111vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $495.00 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. 4142070 2026-10-09: 15 OI2026-10-13: 88 OI2026-10-14: 88 OI2026-10-15: 233 OI2026-10-16: 286 OI2026-10-21: 303 OI2026-10-23: 414 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, 2026Viewing414+111
Oct 21, 2026303+17
Oct 16, 2026286+53
Oct 15, 2026233+145
Oct 14, 2026880
Oct 13, 202688+73
Oct 09, 202615No prior observation