CSTL Stock Analysis: Buy, Sell, or Hold?
CSTL - Castle Biosciences, Inc. Common Stock
$19.13
0.25 (1.32%)
▲
5d:
-3.53%
30d:
-22.11%
90d:
-42.29%
HOLD
MODERATE Confidence
Analysis Updated: May 15, 2026 12:00 AM ET
Earnings: May 11, 2026
0d
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Interactive Price Chart (1 Month)
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Bottom Line:
📊 HOLD: CSTL shows balanced signals. Fine to hold or accumulate slowly. Monitor for clearer direction.
📊 HOLD: CSTL shows balanced signals. Fine to hold or accumulate slowly. Monitor for clearer direction.
In-depth Analysis How we analyze
Valuation Analysis: CSTL is currently trading at $19.13, which is considered oversold relative to its 30-day fair value range of $20.58 to $25.54.
Technical Outlook: Technically, CSTL is in a strong downtrend. Immediate support is located at $17.72, while resistance sits at $25.70.
Market Sentiment: CSTL has a weak technical setup (25/100), with bearish trendlines and momentum suggesting caution for short-term entries. Wall Street analysts see significant upside, with an average price target of $47.12 (+146.3%). The stock is fairly positioned - fine to hold existing positions or accumulate slowly on dips, but not an urgent buy.
Technical Outlook: Technically, CSTL is in a strong downtrend. Immediate support is located at $17.72, while resistance sits at $25.70.
Market Sentiment: CSTL has a weak technical setup (25/100), with bearish trendlines and momentum suggesting caution for short-term entries. Wall Street analysts see significant upside, with an average price target of $47.12 (+146.3%). The stock is fairly positioned - fine to hold existing positions or accumulate slowly on dips, but not an urgent buy.
Quick Decision Summary
Current Position
OVERSOLD
Historical Trading Range
$20.58 -
$25.54
Company Quality Score
52/100
(HOLD)
Volume Confirmation
HIGH
Confidence Score
57.9%
All Signals
- BULLISH: Price oversold vs 30-day range
- BEARISH: Weak technical setup (25/100)
- BULLISH: High volume confirmation
- BULLISH: Trading 146.3% below Wall St target ($47.12)
Trading Range Analysis
30-Day Trading Range
$20.58 -
$25.54
Current vs Trading Range
OVERSOLD
Support & Resistance Levels
Support Level
$17.72
Resistance Level
$25.70
Current Trend
Strong Downtrend
Technical data as of
May 15, 2026
Fundamental Context
Forward P/E (Next Year Est.)
-23.69
Wall Street Target
$47.13
(+146.3%)
Revenue Growth (YoY)
-4.9%
Earnings Growth (YoY)
-51.6%
Profit Margin
-3.8%
Share & Embed Analysis
Last updated: May 18, 2026 7:05 AM ET
Data refreshes hourly during market hours. Next update: 8:05 AM
Data refreshes hourly during market hours. Next update: 8:05 AM
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Technical Signals Check
Is CSTL showing a specific setup today?
Insider Activity (6 Months)
0
Buys
20
Sells
Net
INSIDERS SELLING
Recent Transactions
Derek J Maetzold
SELL
3622 shares
2026-04-21
Derek J Maetzold
SELL
550 shares
2026-04-21
Derek J Maetzold
SELL
6214 shares
2026-04-06
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