OITracker Cboe delayed data

Contract OI history

Back to MSFT

Jan 15, 2027 EXPIRATION

MSFT $175.00 Put

MSFT270115P00175000

Latest saved OI1,078Oct 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 $175.00 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. 1,0795390 2026-10-09: 1,077 OI2026-10-13: 1,078 OI2026-10-14: 1,078 OI2026-10-15: 1,078 OI2026-10-16: 1,079 OI2026-10-21: 1,078 OI2026-10-23: 1,078 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, 2026Viewing1,0780
Oct 21, 20261,078-1
Oct 16, 20261,079+1
Oct 15, 20261,0780
Oct 14, 20261,0780
Oct 13, 20261,078+1
Oct 09, 20261,077No prior observation