OITracker Cboe delayed data

Contract OI history

Back to OSS

Nov 20, 2026 EXPIRATION

OSS $10.00 Put

OSS261120P00010000

Latest saved OI304Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
OSS $10.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3171580 2026-10-08: 310 OI2026-10-09: 307 OI2026-10-13: 317 OI2026-10-14: 317 OI2026-10-16: 308 OI2026-10-20: 303 OI2026-10-23: 304 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

OSS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026304+1
Oct 20, 2026Viewing303-5
Oct 16, 2026308-9
Oct 14, 20263170
Oct 13, 2026317+10
Oct 09, 2026307-3
Oct 08, 2026310No prior observation