OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

FULC $4.00 Put

FULC270115P00004000

Latest saved OI2,128Oct 23, 2026
Last change+160vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FULC $4.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,1281,0640 2026-10-09: 1,968 OI2026-10-13: 1,968 OI2026-10-14: 1,968 OI2026-10-16: 1,968 OI2026-10-20: 1,968 OI2026-10-23: 2,128 OI Oct 09, 2026Oct 23, 2026

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

FULC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,128+160
Oct 20, 20261,9680
Oct 16, 20261,9680
Oct 14, 20261,9680
Oct 13, 20261,9680
Oct 09, 20261,968No prior observation