OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

FAST $50.00 Call

FAST261218C00050000

Latest saved OI2,676Oct 23, 2026
Last change-97vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FAST $50.00 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. 2,7731,3860 2026-10-09: 2,473 OI2026-10-13: 2,474 OI2026-10-14: 2,474 OI2026-10-15: 2,454 OI2026-10-16: 2,747 OI2026-10-21: 2,773 OI2026-10-23: 2,676 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, 2026Viewing2,676-97
Oct 21, 20262,773+26
Oct 16, 20262,747+293
Oct 15, 20262,454-20
Oct 14, 20262,4740
Oct 13, 20262,474+1
Oct 09, 20262,473No prior observation