OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

PRE $20.00 Call

PRE261120C00020000

Latest saved OI437Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PRE $20.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4372180 2026-10-09: 421 OI2026-10-13: 421 OI2026-10-14: 426 OI2026-10-16: 426 OI2026-10-20: 437 OI2026-10-23: 437 OI Oct 09, 2026Oct 23, 2026

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

PRE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20264370
Oct 20, 2026Viewing437+11
Oct 16, 20264260
Oct 14, 2026426+5
Oct 13, 20264210
Oct 09, 2026421No prior observation