OITracker Cboe delayed data

Contract OI history

Back to MSFT

Apr 16, 2027 EXPIRATION

MSFT $515.00 Put

MSFT270416P00515000

Latest saved OI151Oct 23, 2026
Last change+6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $515.00 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. 151750 2026-10-09: 144 OI2026-10-13: 143 OI2026-10-14: 143 OI2026-10-15: 146 OI2026-10-16: 147 OI2026-10-21: 145 OI2026-10-23: 151 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, 2026Viewing151+6
Oct 21, 2026145-2
Oct 16, 2026147+1
Oct 15, 2026146+3
Oct 14, 20261430
Oct 13, 2026143-1
Oct 09, 2026144No prior observation