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CSTL:NASDAQCastle Biosciences, Inc. Analysis

Data as of 2026-03-27 - not real-time

$24.70

Latest Price

7/10Risk

Risk Level: Medium

Executive Summary

Castle Biosciences is trading near a key support level with the price just above $24.6, while technical indicators suggest a potential rebound. The RSI is below 30, indicating oversold conditions, and the MACD histogram has turned positive, signaling a bullish momentum shift. Volatility remains elevated at nearly 49% over the past 30 days, but the beta of around 0.7 points to a lower sensitivity to broader market swings.
Fundamentally, the company posted a striking earnings surprise of over 60% and a modest revenue beat, backed by a strong cash position that comfortably exceeds its debt. Despite negative earnings and margins, free cash flow is positive and the DCF fair‑value estimate (~$28) sits well above the current price, implying substantial upside. Analyst sentiment is very positive, with a “strong buy” consensus and price targets near $50, reflecting confidence in the pipeline and recent product data presentations.

Market Outlook

Short Term

< 1 year
Positive
Model confidence: 7/10

Key Factors

  • Oversold RSI and bullish MACD histogram
  • Price at technical support with upside potential
  • Recent earnings and revenue surprise

Medium Term

1–3 years
Positive
Model confidence: 8/10

Key Factors

  • DCF valuation indicates significant upside
  • Strong cash balance and positive free cash flow
  • Upcoming data presentations on flagship diagnostics

Long Term

> 3 years
Positive
Model confidence: 8/10

Key Factors

  • Growing demand for molecular diagnostics in dermatology and gastroenterology
  • Strategic expansion with new headquarters and pipeline development
  • Sustained analyst support and high target price median

Key Metrics & Analysis

Financial Health

Revenue Growth0.80%
Profit Margin-7.02%
P/E Ratio-45.4
ROE-5.21%
ROA-2.56%
Debt/Equity7.86
P/B Ratio1.6
Op. Cash Flow$64.3M
Free Cash Flow$41.2M
Industry P/E25.5

Technical Analysis

TrendNeutral
RSI29.0
Support$24.65
Resistance$30.50
MA 20$26.40
MA 50$32.19
MA 200$27.78
MACDBullish
VolumeDecreasing
Fear & Greed Index72.13

Valuation

Fair Value$28.16
Target Price$48.50
Upside/Downside96.36%
GradeUndervalued
TypeBlend

Risk Assessment

Beta0.72
Volatility48.69%
Sector RiskMedium
Reg. RiskMedium
Geo RiskLow
Currency RiskLow
Liquidity RiskMedium

This analysis may contain inaccuracies and is provided for informational and research purposes only. It is not personal investment advice, a recommendation, or an instruction to buy, sell, or hold any asset.