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CSTL
Castle BiosciencesHealthcare
$34.49$-0.48 (-1.37%)in 1 year
As on 13 Nov 2026 at 02:29NASDAQ
52 Week Low: $17.7252 Week High: $44.28

Castle Biosciences Share Price Today

Castle Biosciences opened lower at $33.64, compared with its previous close of $33.99. In the last trading session, the stock traded between $32.76 and $34.68. It showed an upward intraday trend.

Return calculator

Time Period

An investment of $100 made 5 years ago in Castle Biosciences is now worth

$ 65.32

Resulting in a loss of

$ 34.68 (34.68%)

Invest with $1

Note: Past profits do not guarantee future returns.

Analyst Overview

Buy

Rating from 7 Analysts

Buy
100%
Hold
0%
Sell
0%

Markets Today

Today's Change

+$0.50 (+1.47%)

Day High

$34.68

Day Low

$32.76

Day Open

$33.64

Prev Close

$33.99

Volume

3,21,423

1W Return

-3.59%

1M Return

5.09%

3M Return

6.96%

6M Return

81.14%

1Y Return

-1.37%

Fundamentals

Market Cap ($ Mn)

1,063

PE Ratio

-

PB Ratio

2.17

PEG Ratio

-

ROE

-5.28%

ROCE

-8.38%

EPS (TTM)

$-0.13

Investment Returns

1 Week

-3.59%

1 Month

5.09%

3 Months

6.96%

6 Months

81.14%

9 Months

6.65%

Financials

Quarterly
All values in $ Mn
86.2

Jun 25
83.0

Sep 25
87.0

Dec 25
83.7

Mar 26
103.5

Jun 26
102.9

Sep 26

Updates

9Nov

Baird maintains Outperform on Castle Biosciences, lifts target to $41

Baird maintains Outperform rating on Castle Biosciences. Price target raised from $39 to $41. Analyst Catherine Ramsey authored the rating update.

3 days ago
6Nov

Keybanc maintains Overweight on Castle Biosciences, hikes target to $40

Keybanc maintains Overweight rating on Castle Biosciences. Price target increased from $35 to $40 by analyst Paul Knight. No change in investment stance despite higher target.

6 days ago
6Nov

Castle Biosciences Q3FY26 Results: Revenue rises 24% to $102.9 million

Revenue reached $102.9 million in Q3 FY26, up 24% YoY. TissueCypher test volume grew 47% YoY to 15,574 reports. Adjusted EBITDA improved to $12.7 million from $9.2 million. Full-year 2026 revenue guidance raised to $385-$395 million.

7 days ago
1Oct

Castle Biosciences to present melanoma test data at EADV 2026

Castle Biosciences presents data from a 2,799-patient study on DecisionDx-Melanoma at EADV 2026. Low-risk patients avoiding SLNB achieved 99.6% five-year recurrence-free survival. High-risk group showed 22.8% observed sentinel lymph node positivity versus 4.4% in low-risk. Early-stage patients with high-risk Class 2B results had 73.7% five-year RFS, similar to stage IIB.

1mo ago
25Sep

Study shows 94% of atopic dermatitis patients seek molecular guidance

94% of AD patients open to new systemic therapies want molecular testing. 55% of patients using targeted therapies modified treatment due to lack of efficacy. AdvanceAD-Tx users with JAK responder profile were 5.5 times more likely to reach EASI-90. Study involved 43 patients and caregivers at 2024 National Eczema Association Expo.

1mo ago
22Sep

Castle Biosciences opens new 55,000 sq ft facility in Scottsdale

Castle Biosciences opens a new 55,000-square-foot laboratory and office in Scottsdale, Arizona. The expansion supports growing test volumes and long-term operational growth. A grand opening celebration is scheduled for October 6, 2026, at 3:30 pm MST.

1mo ago

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