Castle Biosciences (CSTL) Stock: Buy, Sell, or Hold?
CSTL - Castle Biosciences, Inc. Common Stock
$34.37
1.22 (3.68%)
▲
5d:
+3.81%
30d:
-1.38%
90d:
+34.89%
HOLD
MODERATE Confidence
Analysis Updated: Oct 21, 2026 12:00 AM ET
Earnings: Nov 05, 2026
13d
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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 $34.37, which is considered fair relative to its 30-day fair value range of $33.16 to $35.75.
Technical Outlook: Technically, CSTL is in a strong uptrend. The price is approaching resistance at $34.72. A breakout above this level would be a bullish signal, while rejection here could lead to consolidation. The stock is showing strong short-term momentum, up 3.7% recently.
Market Sentiment: The stock scores a mixed 56/100 on our bottoming-setup gauge, with only partial signs of a stabilized entry point. Wall Street analysts see significant upside, with an average price target of $45.22 (+31.6%). 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 uptrend. The price is approaching resistance at $34.72. A breakout above this level would be a bullish signal, while rejection here could lead to consolidation. The stock is showing strong short-term momentum, up 3.7% recently.
Market Sentiment: The stock scores a mixed 56/100 on our bottoming-setup gauge, with only partial signs of a stabilized entry point. Wall Street analysts see significant upside, with an average price target of $45.22 (+31.6%). 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
FAIR
Historical Trading Range
$33.16 -
$35.75
Company Quality Score
57/100
(HOLD)
Volume Confirmation
HIGH
Confidence Score
80.0%
All Signals
- NEUTRAL: Price in fair range
- NEUTRAL: Mixed technical signals (56/100)
- BULLISH: High volume confirmation
- BULLISH: Strong upward momentum (+3.7%)
- BULLISH: Trading 31.6% below Wall St target ($45.22)
- NEUTRAL: Bottoming setup forming (56/100) — watch for confirmation
Trading Range Analysis
30-Day Trading Range
$33.16 -
$35.75
Current vs Trading Range
FAIR
Support & Resistance Levels
Support Level
$31.67
Resistance Level
$34.72
Current Trend
Strong Uptrend
Technical data as of
Oct 21, 2026
Fundamental Context
Forward P/E (Next Year Est.)
-37.63
Wall Street Target
$45.22
(+31.6%)
Revenue Growth (YoY)
20.1%
Earnings Growth (YoY)
-51.6%
Profit Margin
-5.4%
Share & Embed Analysis
Last updated: October 22, 2026 7:41 AM ET
Data refreshes hourly during market hours. Next update: 8:41 AM
Data refreshes hourly during market hours. Next update: 8:41 AM
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Technical Signals Check
Is CSTL showing a specific setup today?
Insider Activity (6 Months)
0
Buys
0
Sells
0
Net
NEUTRAL
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