Castle Biosciences (CSTL) Stock: Buy, Sell, or Hold?
CSTL - Castle Biosciences, Inc. Common Stock
$35.26
-0.27 (-0.77%)
âŧ
5d:
+0.18%
30d:
+5.43%
90d:
+46.23%
WAIT
LOW Confidence
Analysis Updated: Oct 1, 2026 12:00 AM ET
Earnings: Nov 02, 2026
30d
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Interactive Price Chart (1 Month)
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Bottom Line:
âšī¸ NEUTRAL: CSTL is fairly priced but lacks strong directional signals. Wait for clearer setup or better entry on dips.
âšī¸ NEUTRAL: CSTL is fairly priced but lacks strong directional signals. Wait for clearer setup or better entry on dips.
In-depth Analysis How we analyze
Valuation Analysis: CSTL is currently trading at $35.26, which is considered slightly high relative to its 30-day fair value range of $33.01 to $35.52.
Technical Outlook: Technically, CSTL is in a strong uptrend. Immediate support is located at $33.90, while resistance sits at $36.99.
Market Sentiment: CSTL scores 32/100 on our bottoming-setup gauge. Note this measures entry quality, not trend direction — a low score can mean the chart is extended after a strong run (don't chase) or still falling without stabilization; better entries typically come after a pullback toward the 20-day average. Wall Street analysts see significant upside, with an average price target of $45.11 (+28.0%). Current signals suggest waiting for a better entry point before initiating new positions.
Technical Outlook: Technically, CSTL is in a strong uptrend. Immediate support is located at $33.90, while resistance sits at $36.99.
Market Sentiment: CSTL scores 32/100 on our bottoming-setup gauge. Note this measures entry quality, not trend direction — a low score can mean the chart is extended after a strong run (don't chase) or still falling without stabilization; better entries typically come after a pullback toward the 20-day average. Wall Street analysts see significant upside, with an average price target of $45.11 (+28.0%). Current signals suggest waiting for a better entry point before initiating new positions.
Quick Decision Summary
Current Position
SLIGHTLY HIGH
Historical Trading Range
$33.01 -
$35.52
Company Quality Score
43/100
(HOLD)
Volume Confirmation
HIGH
Confidence Score
42.1%
All Signals
- BEARISH: Weak technical setup (32/100)
- BULLISH: High volume confirmation
- BULLISH: Trading 28.0% below Wall St target ($45.11)
- WARNING: Composite score 43/100 in the bottom quintile â this cohort historically lags the market
Trading Range Analysis
30-Day Trading Range
$33.01 -
$35.52
Current vs Trading Range
SLIGHTLY HIGH
Support & Resistance Levels
Support Level
$33.90
Resistance Level
$36.99
Current Trend
Strong Uptrend
Technical data as of
Oct 1, 2026
Fundamental Context
Forward P/E (Next Year Est.)
-37.55
Wall Street Target
$45.11
(+28.0%)
Revenue Growth (YoY)
20.1%
Earnings Growth (YoY)
-51.6%
Profit Margin
-5.4%
Share & Embed Analysis
Last updated: October 02, 2026 4:54 AM ET
Data refreshes hourly during market hours. Next update: 5:54 AM
Data refreshes hourly during market hours. Next update: 5:54 AM
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Technical Signals Check
Is CSTL showing a specific setup today?
Insider Activity (6 Months)
0
Buys
4
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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