Is CSTL stock a Buy, Hold, or Sell right now according to Roarable's RQD model?
As of 2026-11-01, Castle Biosciences Inc. (NASDAQ: CSTL) is rated C- (Hold / HOLD) by Roarable's 5-pillar RQD engine with a composite confidence score of 60/100 at a spot price of $38.51 (+4.99% 1D, market cap $1.18B). Pillar breakdown: Fundamental Cash Engine 13/20, Institutional 13F & Options Flow 12/20, Executive Insider Alignment 14/20, FRED Macro Regime Fit 14/20, and SEC Balance-Sheet Forensics 7/20. Across 1016 tracked Health Care issuers, CSTL ranks #203 in composite RQD confidence.