OITracker Cboe delayed data

Contract OI history

Back to MSFT

Jan 15, 2027 EXPIRATION

MSFT $495.00 Put

MSFT270115P00495000

Latest saved OI3,026Oct 23, 2026
Last change+173vs 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. 3,0261,5130 2026-10-09: 2,715 OI2026-10-13: 2,846 OI2026-10-14: 2,846 OI2026-10-15: 2,839 OI2026-10-16: 2,906 OI2026-10-21: 2,853 OI2026-10-23: 3,026 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, 2026Viewing3,026+173
Oct 21, 20262,853-53
Oct 16, 20262,906+67
Oct 15, 20262,839-7
Oct 14, 20262,8460
Oct 13, 20262,846+131
Oct 09, 20262,715No prior observation