Castle Biosciences, Inc. (CSTL)

NASDAQ: CSTL · Real-Time Price · USD

31.71

-0.25 (-0.78%)

Oct 19, 2026, 10:44 AM EDT - Market open

Castle Biosciences Ratios and Metrics

Market cap in millions USD. Fiscal year is January - December.

Millions USD. Fiscal year is Jan - Dec.

Total Valuation

Fiscal Year	Current	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021
Period Ending	Oct '26 Oct 19, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021
Market Capitalization	969	1,135	746	581	620	1,103
Market Cap Growth	48.36%	52.12%	28.53%	-6.38%	-43.76%	-32.00%
Enterprise Value	739	885	493	366	368	740
Last Close Price	31.96	38.90	26.65	21.58	23.54	42.87

Price Ratios

Fiscal Year	Current	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021
Period Ending	Oct '26 Oct 19, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021
PE Ratio	-	-	40.91	-	-	-
PS Ratio	2.73	3.30	2.25	2.64	4.53	11.72
PB Ratio	2.07	2.41	1.64	1.48	1.55	2.68
P/TBV Ratio	2.60	3.06	2.13	2.12	2.27	3.42
P/FCF Ratio	-	40.09	20.43	-	-	-
P/OCF Ratio	22.90	17.65	11.51	-	-	-

EV Ratios

Fiscal Year	Current	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021
Period Ending	Oct '26 Oct 19, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021
EV/Sales Ratio	2.09	2.57	1.49	1.66	2.69	7.86
EV/EBITDA Ratio	-	-	20.00	-	-	-
EV/EBIT Ratio	-	-	56.90	-	-	-
EV/FCF Ratio	-	31.25	13.50	-	-	-

Financial Efficiency

Fiscal Year	Current	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021
Period Ending	Oct '26 Oct 19, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021
Debt / Equity Ratio	0.08	0.08	0.06	0.04	0.03	0.02
Debt / EBITDA Ratio	-	18.82	0.96	-	-	-
Debt / FCF Ratio	-	1.31	0.72	-	-	-
Net Debt / Equity Ratio	-0.49	-0.56	-0.58	-0.58	-0.61	-0.78
Net Debt / EBITDA Ratio	13.94	128.74	-10.81	4.09	3.04	8.76
Net Debt / FCF Ratio	470.67	-9.27	-7.30	11.83	5.18	14.30
Asset Turnover	0.65	0.62	0.68	0.49	0.30	0.21
Inventory Turnover	8.58	7.73	7.49	7.55	10.67	7.47
Quick Ratio	5.60	5.01	6.98	5.90	7.81	13.94
Current Ratio	6.04	5.26	7.29	6.20	8.09	14.22
Return on Equity (ROE)	-4.20%	-5.21%	4.31%	-14.54%	-16.56%	-7.56%
Return on Assets (ROA)	-1.36%	-2.56%	1.10%	-9.43%	-12.52%	-5.56%
Return on Invested Capital (ROIC)	-5.04%	-11.43%	4.16%	-42.80%	-74.56%	-83.28%
Return on Capital Employed (ROCE)	-2.40%	-4.50%	1.80%	-16.80%	-22.20%	-9.20%

Yields

Fiscal Year	Current	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021
Period Ending	Oct '26 Oct 19, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021
Earnings Yield	-1.99%	-2.13%	2.44%	-9.89%	-10.82%	-2.84%
FCF Yield	-0.05%	2.50%	4.90%	-3.31%	-7.62%	-2.04%
Buyback Yield / Dilution	-4.60%	0.92%	-9.15%	-2.87%	-3.65%	-32.80%

SEC Filings: 10-K · 10-Q