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CSTL vs ADPT

Side-by-side comparison of price performance, valuation, growth, profitability, analyst targets and technical trend.

vsvs
CSTL · Castle Biosciences$33.00 ▼ 1.08%
ADPT · Adaptive Biotechnologies$26.28 ▼ 2.30%

One year, rebased to 100

Each line starts at 100 so growth is directly comparable

70102134166198Oct 9, '25Apr 9, '26Oct 7, '26
  • CSTL +39.5%
  • ADPT +67.9%

Head to head

MetricCSTLADPT
Price$33.00$26.28
Change today▼ 1.08%▼ 2.30%
Market cap$1.01B$4.19B
Return, 3 months+34.4%+20.6%
Return, year to date-15.2%+61.8%
Return, 1 year+39.9%+69.0%
P/E (TTM)-51.6-65.7
P/B2.129.4
P/E percentile vs own 5y27th2nd
Dividend yield––
Revenue growth (YoY, latest qtr)+20.1%+21.5%
Net profit growth (YoY)-145.5%-56.1%
Gross margin77.3%75.6%
Operating margin-9.0%-12.2%
Net margin-5.4%-20.7%
Return on equity-4.2%-39.6%
Analyst target vs. price+37.6%+16.4%
Analyst buy share100%100%
RSI (14)4446
30-day volatility43.4%55.4%
Max drawdown, 1 year-57.8%-39.3%
Trend readLeaning bearishLeaning bearish
Analyst consensusBuyBuy

Green cells mark the best value in each row where "better" is clear-cut (lower P/E, higher margin). That is a reading of the numbers, not a recommendation. Financials are in each company's reporting currency.

What the numbers say

  • ADPT is the largest of the group by market value.
  • ADPT has returned the most over the past year.
  • ADPT carries the lowest trailing P/E.
  • ADPT is growing revenue fastest.
  • CSTL keeps the most profit per dollar of sales.
  • CSTL has been the calmest stock over the last 30 days.

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