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Upper Bollinger Band Walk appears for CSTL after 1.0% move

Castle Biosciences, Inc. (CSTL) — Nightly Technical Analysis · Aug 10, 2026, 20:16 ET
CSTL closed up 1.0% on Monday, August 10th, with volume running 1.0× below average. The session formed a Upper Bollinger Band Walk, often signaling a possible continuation. Key support levels exist at 31.37, 30.4 & 29.55, with resistance at 33.19, 34.04 & 35.01. Additionally, Slow Stochastic points to overbought territory, hinting at a potential consolidation.

Current SwingTradeBot Technical Rating of CSTL: B

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Castle Biosciences, Inc. (CSTL)