OITracker Cboe delayed data

Contract OI history

Back to RCAT

Oct 23, 2026 EXPIRATION

RCAT $4.50 Put

RCAT261023P00004500

Latest saved OI891Oct 23, 2026
Last change+571vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RCAT $4.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 8914450 2026-10-09: 7 OI2026-10-13: 9 OI2026-10-14: 9 OI2026-10-15: 44 OI2026-10-16: 91 OI2026-10-21: 320 OI2026-10-23: 891 OI Oct 09, 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, 2026Viewing891+571
Oct 21, 2026320+229
Oct 16, 202691+47
Oct 15, 202644+35
Oct 14, 202690
Oct 13, 20269+2
Oct 09, 20267No prior observation