OITracker Cboe delayed data

Contract OI history

Back to MSFT

Jun 17, 2027 EXPIRATION

MSFT $510.00 Put

MSFT270617P00510000

Latest saved OI943Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $510.00 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. 9434710 2026-10-09: 922 OI2026-10-13: 926 OI2026-10-14: 926 OI2026-10-15: 931 OI2026-10-16: 932 OI2026-10-21: 933 OI2026-10-23: 943 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, 2026Viewing943+10
Oct 21, 2026933+1
Oct 16, 2026932+1
Oct 15, 2026931+5
Oct 14, 20269260
Oct 13, 2026926+4
Oct 09, 2026922No prior observation