Castle Biosciences, Inc. Common Stock

CSTLNASDAQUSD
24.30 USD
1.39 (6.07%)AT CLOSE (11:59 AM EDT)
24.26
0.05 (0.19%)
POST MARKET (AS OF 07:52 PM EDT)
Post Market
AS OF 07:52 PM EDT
24.26
0.05 (0.19%)
🔴Market: CLOSED

Castle Biosciences, Inc. Common Stock (CSTL) is currently trading at $24.30. There is a divergence between signals — technical indicators rate "Buy" but underlying fundamentals lean "Sell". This is driven by a robust Altman Z-Score, a weak Piotroski F-Score of 2/9, negative Return on Equity and a bearish Death Cross on the long-term moving averages. Valuation metrics suggest CSTL is trading at a discount to its peers, earning an "Attractively Valued" rating.

Technical & fundamental data as of Jun 26, 2026.

Open?$22.67
High?$24.34
Low?$22.67
Prev. Close?$22.91
Volume?1.0M
Avg. Volume?401.8K
VWAP?$23.83
Rel. Volume?2.60x
Bid / Ask
Bid?$19.74 × 100
Ask?$29.10 × 100
Spread?$9.36
Midpoint?$24.42
Valuation & Ratios
Market Cap?737.0M
Shares Out?30.3M
Float?28.3M
Float %?93.5%
P/E Ratio?N/A
P/B Ratio?1.60
EPS?-$0.42
Dividend?0.00%
Ex-Dividend?N/A
News
Profile
Castle Biosciences Inc is a molecular diagnostics company. The group provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus (BE), and uveal melanoma. The product portfolio of the company includes DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test; DecisionDx-SCC, a risk stratification test for cutaneous squamous cell carcinoma; MyPath Melanoma, a diagnostic GEP test for use in patients with difficult-to-diagnose melanocytic lesions; and TissueCypher, a test to predict future development of progression of high-grade dysplasia and/or esophageal cancer. The company derives revenues through the delivery of test reports for its molecular diagnostic tests.
Employees
942
Market Cap
694.9M
Industry
SERVICES-MEDICAL LABORATORIES
Listed
2019-07-25
Address
1500 W. PARKWOOD AVE.
FRIENDSWOOD, TX 77546
Phone: 866-788-9007
Technical OutlookBuy
Strong SellNeutralStrong Buy
Long-Term (Tide)? Bullish(+1/3)
Medium-Term (Wave)? Bullish(+2/3)
Short-Term (Ripple)? Bullish(+2/3)
MA Alignment?Mixed
Full Technical Analysis →
Fundamental OutlookSell
Strong SellNeutralStrong Buy
F-Score?
12
Z-Score?
100
Momentum?
3
Short Sent.?
69
Piotroski F-Score?2/9Weak
Altman Z-Score?10.48Safe
Confidence?51%Low
Full Fundamental Analysis →
Short InterestHigh
Short % of Float?5.24%Elevated
Short Interest?1.5M
Days to Cover?5.2
Free Float28.3M
Avg Daily Volume284.2K
Settlement Date2026-06-15
Financial Health
Current Ratio?6.75Strong
Quick Ratio?6.53Strong
Cash Ratio?1.31Strong
Debt/Equity?0.02Low
ValuationATTRACTIVELY VALUEDvs 1 peers + S&P 500
Score
87/100
P/E?
N/A
P/B?
Peers
100
S&P
85
1.60CHEAP
P/S?
Peers
100
S&P
63
2.17CHEAP
P/FCF?
Peers
100
S&P
3
163.1PRICEY
EV/EBITDA?
S&P
97
-37.3CHEAP
EV/Sales?
Peers
100
S&P
74
2.01CHEAP
Returns & Efficiency
ROE?
S&P
13
-2.8%WEAK
ROA?
S&P
3
-2.3%WEAK
Cash Flow & Enterprise
FCF?$4.5M
Enterprise Value?$683.6M
Fundamentals ratios updated end of day