OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

RCAT $5.00 Put

RCAT261218P00005000

Latest saved OI1,009Oct 23, 2026
Last change+532vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
RCAT $5.00 put open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 1,0095040 2026-10-15: 0 OI2026-10-16: 102 OI2026-10-21: 477 OI2026-10-23: 1,009 OI Oct 15, 2026Oct 23, 2026

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

RCAT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,009+532
Oct 21, 2026477+375
Oct 16, 2026102+102
Oct 15, 20260No prior observation