CSTL Stock Analysis: Buy, Sell, or Hold?
CSTL - Castle Biosciences, Inc. Common Stock
$24.11
-0.60 (-2.43%)
▼
5d:
+5.24%
30d:
+22.32%
90d:
-3.75%
BUY
MODERATE Confidence
Analysis Updated: Jul 2, 2026 12:00 AM ET
Earnings: Aug 03, 2026
30d
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Interactive Price Chart (1 Month)
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Bottom Line:
💡 BUY OPPORTUNITY: CSTL shows positive signals but monitor for confirmation. Company currently unprofitable (negative forward earnings). Moderate conviction.
💡 BUY OPPORTUNITY: CSTL shows positive signals but monitor for confirmation. Company currently unprofitable (negative forward earnings). Moderate conviction.
In-depth Analysis How we analyze
Valuation Analysis: CSTL is currently trading at $24.11, which is considered extended relative to its 30-day fair value range of $20.16 to $23.04.
Technical Outlook: Technically, CSTL is in a strong downtrend. Immediate support is located at $20.23, while resistance sits at $24.98.
Market Sentiment: CSTL has a strong technical setup (75/100), with favorable trendlines, momentum, and price action for short-term traders. Wall Street analysts see significant upside, with an average price target of $43.56 (+80.7%). Combining these factors, the current setup offers a favorable risk/reward ratio for buyers.
Technical Outlook: Technically, CSTL is in a strong downtrend. Immediate support is located at $20.23, while resistance sits at $24.98.
Market Sentiment: CSTL has a strong technical setup (75/100), with favorable trendlines, momentum, and price action for short-term traders. Wall Street analysts see significant upside, with an average price target of $43.56 (+80.7%). Combining these factors, the current setup offers a favorable risk/reward ratio for buyers.
Quick Decision Summary
Current Position
EXTENDED
Historical Trading Range
$20.16 -
$23.04
Company Quality Score
56/100
(HOLD)
Volume Confirmation
HIGH
Confidence Score
63.2%
All Signals
- BEARISH: Price extended above range
- BULLISH: Strong technical setup (75/100)
- BULLISH: High volume confirmation
- BULLISH: Trading 80.7% below Wall St target ($43.56)
Trading Range Analysis
30-Day Trading Range
$20.16 -
$23.04
Current vs Trading Range
EXTENDED
Support & Resistance Levels
Support Level
$20.23
Resistance Level
$24.98
Current Trend
Strong Downtrend
Technical data as of
Jul 2, 2026
Fundamental Context
Forward P/E (Next Year Est.)
-25.83
Wall Street Target
$43.56
(+80.7%)
Revenue Growth (YoY)
-4.9%
Earnings Growth (YoY)
-51.6%
Profit Margin
-3.8%
Share & Embed Analysis
Last updated: July 03, 2026 12:42 AM ET
Data refreshes hourly during market hours. Next update: 1:42 AM
Data refreshes hourly during market hours. Next update: 1:42 AM
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Technical Signals Check
Is CSTL showing a specific setup today?
Insider Activity (6 Months)
0
Buys
15
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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