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Castle Biosciences (CSTL) Key Ratios

Stock Card factsheet share-fund-plan-icon

$32.91

up-down-arrow $0.26 (0.80%)

As on 04-Sep-2026 16:00EDT

Market cap

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$1,005 Mln

Revenue (TTM)

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$357 Mln

P/E Ratio

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--

P/B Ratio

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2.2

Div. Yield

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0 %

Key Ratios and Highlights

Growth Score (%) Quarterly Annual (TTM)
Particulars QoQ YoY 1-Year 3-Years 5-Years
Revenue 23.74 20.14 3.18 28.72 35.55
EBIT 89.52 -1,127.05 -89.87 21.37 2.27
Net Profit 85.81 -145.54 -105.10 21.23 2.64
EPS 86.05 -144.27 -82.85 21.78 6.05
Book Value -- -- 6.35 2.02 -4.26
Key Ratios (%) Average Annual (TTM)
Particulars3-Years5-YearsTTMDec-25Dec-24
EBIT-Margin info -9.33-24.15-5.27-8.556.67
Net Margin info -----5.43----
Return on equity info -5.15-7.91-4.13-5.214.31
Return on Capital info -4.94-7.68---4.884.11
Return on Assets info -4.47-7.02-3.20-4.353.71
Debt to Equity (x) info ----0.020.080.06

Profitability

View Detailed Peer Comparison

ROCE

--

--

Earning before interest and taxes / (Average net worth + Average total Debt) * 100

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
--
-4.88
4.11
-14.03
-16.13
Peer Median
--
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
ROE

-4.13

Lower than Peers by 9.10

Profit after tax / Average Net worth * 100

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
-4.13
-5.21
4.31
-14.54
-16.56
Peer Median
4.98
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
ROA

-3.20

Lower than Peers by 5.67

Profit after tax / Average Total assets * 100

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
-3.20
-4.35
3.71
-12.76
-14.76
Peer Median
2.47
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
EBIT Margin

-5.27

Lower than Peers by 13.76

Operating profit (EBIT) / Net Sales * 100

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
-5.27
-8.55
6.67
-26.10
-50.27
Peer Median
8.49
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
Net Margin

-5.43

Lower than Peers by 10.19

Net profit / Total Income (Net sales plus other income) * 100

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
-5.43
-7.02
5.49
-26.15
-48.99
Peer Median
4.75
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
Cash Profit Margin

--

--

(Net profit + Depreciation) / Gross Sales * 100

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
--
--
--
--
--
Peer Median
--
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.

Growth

View Detailed Peer Comparison

Revenue Growth

3.18

Lower than Peers by 5.39

Year on year growth in net sales

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
3.18
0.04
0.51
0.60
0.46
Peer Median
8.57
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
EBIT Growth

-89.87

Lower than Peers by 100.26

Year on year growth in operating profit (EBIT)

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
-89.87
-232.91
138.60
16.74
-72.17
Peer Median
10.38
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
Net Profit Growth

-105.10

Lower than Peers by 118.71

Year on year growth in profit after tax

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
-105.10
-232.41
131.75
14.41
-114.55
Peer Median
13.61
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
EPS Growth

-82.85

Lower than Peers by 103.93

Year on year growth in earnings per share

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
-82.85
-2.36
1.29
0.17
-1.06
Peer Median
21.08
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
Book Value Growth

0.32

Lower than Peers by 6.75

Year on year growth in book value per share

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
0.32
--
--
--
--
Peer Median
7.07
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.

Solvency

View Detailed Peer Comparison

Debt to Equity

0.02

Lower than Peers by 0.38

Total debt / Net worth

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
0.02
0.08
0.06
0.04
0.03
Peer Median
0.40
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
Short term debt to equity ratio

0.01

--

(Short term borrowings / Net worth)

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
0.01
0.00
0.00
0.00
0.00
Peer Median
--
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
Current Ratio

6.04

Higher than Peers by 3.21

Current Assets / Current Liabilities and Provisions

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
6.04
5.26
7.29
6.20
8.09
Peer Median
2.82
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
Quick Ratio

5.85

Higher than Peers by 3.81

(Current Assets - Inventory) / Current Liabilities and Provisions

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
5.85
5.11
7.13
6.04
7.98
Peer Median
2.04
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
Interest Coverage

-50.21

Lower than Peers by 55.23

Earning before interest and taxes (EBIT) / Interest Expenses

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
-50.21
-342.19
38.37
-5,214.00
-4,052.18
Peer Median
5.02
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.

Operating Efficiency

View Detailed Peer Comparison

Debtors to sales

13.53

Lower than Peers by 2.93

Debtors outstanding / Net Sales * 100

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
13.53
12.60
15.42
17.43
17.13
Peer Median
16.46
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
Asset Turnover

0.59

Higher than Peers by 0.09

Sales / Average Total Assets

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
0.59
0.62
0.67
0.49
0.30
Peer Median
0.50
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
Receivable days

--

--

Average Debtors / Sales * 365

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
--
50.19
49.23
51.33
54.32
Peer Median
--
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
Inventory Days

--

--

Average Inventory / Sales * 365

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
--
47.28
48.77
48.40
34.24
Peer Median
--
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
Payable days

--

--

Average Creditors / Cost of goods sold * 365

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
--
65.85
52.08
60.90
41.52
Peer Median
--
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
Cash Conversion Cycle

--

--

Receivable Days + Inventory Days - Payable Days

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
--
31.62
45.92
38.84
47.04
Peer Median
--
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.

Valuation

View Detailed Peer Comparison

Price / Earnings

--

--

Current share price divided by earning per share in the last twelve months

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
--
-47.23
44.11
-10.19
-9.26
Peer Median
46.09
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
Price / Book Value

2.17

Lower than Peers by 1.62

Current share price divided by book value per share in the latest financial year

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
2.17
2.42
1.77
1.50
1.56
Peer Median
3.79
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
Dividend Yield

--

--

Dividend per share in the past twelve months divided by current share price

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
--
--
--
--
--
Peer Median
--
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
EV/EBITDA

42.95

--

Enterprise Value (Current Market Capitalisation + Total Debt - Cash & Equivalents) / Earnings before interest, taxes, depreciation and taxes (EBITDA)

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
42.95
77.45
14.11
-7.95
-6.45
Peer Median
--
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
Market Cap

1,005

Higher than Peers by 465

Current Share price multiplied by latest total number of shares outstanding

Company Name
TTM
Dec-25
Dec-24
Dec-23
Dec-22
Castle Biosciences (CSTL)
1,005
--
--
--
--
Peer Median
540
--
--
--
--
*TTM (Trailing Twelve Months) data based on income statement of last 4 quarters and interim half yearly balance sheet.
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