OITracker Cboe delayed data

Contract OI history

Back to MSFT

Jan 21, 2028 EXPIRATION

MSFT $360.00 Put

MSFT280121P00360000

Latest saved OI4,418Oct 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 $360.00 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. 4,4182,2090 2026-10-09: 4,414 OI2026-10-13: 4,414 OI2026-10-14: 4,414 OI2026-10-15: 4,414 OI2026-10-16: 4,413 OI2026-10-21: 4,418 OI2026-10-23: 4,418 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, 2026Viewing4,4180
Oct 21, 20264,418+5
Oct 16, 20264,413-1
Oct 15, 20264,4140
Oct 14, 20264,4140
Oct 13, 20264,4140
Oct 09, 20264,414No prior observation