OITracker Cboe delayed data

Contract OI history

Back to FAST

Dec 18, 2026 EXPIRATION

FAST $52.50 Put

FAST261218P00052500

Latest saved OI150Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FAST $52.50 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. 150750 2026-10-09: 14 OI2026-10-13: 138 OI2026-10-14: 138 OI2026-10-15: 139 OI2026-10-16: 139 OI2026-10-21: 147 OI2026-10-23: 150 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, 2026Viewing150+3
Oct 21, 2026147+8
Oct 16, 20261390
Oct 15, 2026139+1
Oct 14, 20261380
Oct 13, 2026138+124
Oct 09, 202614No prior observation