OITracker Cboe delayed data

Contract OI history

Back to FAST

Feb 19, 2027 EXPIRATION

FAST $42.50 Put

FAST270219P00042500

Latest saved OI303Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FAST $42.50 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. 3621810 2026-10-09: 312 OI2026-10-13: 362 OI2026-10-14: 362 OI2026-10-15: 332 OI2026-10-16: 302 OI2026-10-21: 302 OI2026-10-23: 303 OI Oct 09, 2026Oct 23, 2026

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

FAST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing303+1
Oct 21, 20263020
Oct 16, 2026302-30
Oct 15, 2026332-30
Oct 14, 20263620
Oct 13, 2026362+50
Oct 09, 2026312No prior observation