OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

P $230.00 Put

P280121P00230000

Latest saved OI1Oct 23, 2026
Last change0vs previous saved observation
Saved market days5Oct 14, 2026 onwards
Daily open interest Hover a point for its date and OI
P $230.00 put open interest history 5 saved observations from 2026-10-14 to 2026-10-23. Exact values and changes are listed in the table below. 10 2026-10-14: 0 OI2026-10-15: 1 OI2026-10-16: 1 OI2026-10-21: 1 OI2026-10-23: 1 OI Oct 14, 2026Oct 23, 2026

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

P contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing10
Oct 21, 202610
Oct 16, 202610
Oct 15, 20261+1
Oct 14, 20260No prior observation