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Ranked #2606 by analyst upside · 2026-09-29
CSTL
Castle Biosciences, Inc.
Healthcare · Market Cap $1B · P/E 0x
ANALYST PRICE TARGET
+25.6%
implied upside to consensus target
Current Price $35.93
Consensus Target $45.11
Bull Target $57.0
Bear Target $35.0
Analysts Covering 9
ANALYST CONSENSUS - BUY
Strong Buy
0
Buy
9
Hold
0
Sell
0
52-Week Low $17.72
52-Week High $44.28
YTD Return -6.8%
FUNDAMENTALS
Market Cap $1B
P/E Ratio (TTM) N/A
Forward P/E N/A
EPS (TTM) $-0.64
PEG Ratio N/A
Dividend Yield N/A
Revenue (TTM) $357M
Profit Margin -5.4%
52-WEEK RANGE
52-Week Low $17.72
52-Week High $44.28
Current Price $35.93
Bear Target $35.0
Bull Target $57.0
● Now $35.93 ● Target $45.11
TRADING DATA
Avg Volume 387K
YTD Return -6.8%
Analyst Count 9
Consensus Buy
Upside to Target +25.6%
Last Updated 2026-09-29

ANALYST SUMMARY

Castle Biosciences, Inc. (CSTL) is currently trading at $35.93 with a Wall Street consensus price target of $45.11, implying potential upside of 25.6% over the next 12 months. 9 analysts currently cover CSTL, with a consensus rating of Buy - 100% of analysts rate the stock a Buy or Strong Buy. The most bullish analyst has a price target of $57.0, while the most cautious has a target of $35.0.

CSTL operates in the Healthcare sector with a market capitalisation of $1B. The stock is down 6.8% year-to-date and is currently trading near the upper end of its 52-week range of $17.72 – $44.28.

SIMILAR STOCKS

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RECENT ANALYST CALLS

Upgrade/downgrade history for CSTL, with each firm's 90-day track record across all stocks we track. See full firm rankings →

BTIG - Reiterated
Buy → Buy 2026-08-03 38% win rate (8 calls)
Roth Capital ● Initiated
Buy 2026-06-25 Building track record
BTIG - Reiterated
Buy → Buy 2026-05-13 38% win rate (8 calls)
Baird - Reiterated
Outperform → Outperform 2026-05-07 Building track record
Canaccord Genuity - Reiterated
Buy → Buy 2026-04-20 Building track record
Baird - Reiterated
Outperform → Outperform 2026-02-27 Building track record
Guggenheim - Reiterated
Buy → Buy 2026-01-26 62% win rate (8 calls)
Lake Street - Reiterated
Buy → Buy 2026-01-12 27% win rate (11 calls)
HISTORICAL SNAPSHOT

Point-in-time data from StockUpside's daily snapshots. Tracks price, analyst target, upside %, consensus, and analyst count.

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ANALYST CONVICTION SCORE
63
out of 100
Coverage depth
18/30
Consensus clarity
18/30
Vote unanimity
25/25
Rating stability
2/15

Measures analyst agreement, not fundamental quality. A high score means analysts broadly agree on this call - not that the stock will go up.

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