OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

ULCC $5.00 Put

ULCC270115P00005000

Latest saved OI221Oct 23, 2026
Last change-33vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ULCC $5.00 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. 3261630 2026-10-09: 313 OI2026-10-13: 326 OI2026-10-14: 270 OI2026-10-16: 255 OI2026-10-20: 254 OI2026-10-23: 221 OI Oct 09, 2026Oct 23, 2026

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

ULCC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026221-33
Oct 20, 2026Viewing254-1
Oct 16, 2026255-15
Oct 14, 2026270-56
Oct 13, 2026326+13
Oct 09, 2026313No prior observation