OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

FAST $55.00 Call

FAST261218C00055000

Latest saved OI2,687Oct 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
FAST $55.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,6871,3430 2026-10-09: 2,636 OI2026-10-13: 2,639 OI2026-10-14: 2,639 OI2026-10-15: 2,654 OI2026-10-16: 2,649 OI2026-10-21: 2,681 OI2026-10-23: 2,687 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, 2026Viewing2,687+6
Oct 21, 20262,681+32
Oct 16, 20262,649-5
Oct 15, 20262,654+15
Oct 14, 20262,6390
Oct 13, 20262,639+3
Oct 09, 20262,636No prior observation