Castle Biosciences (CSTL) Research Hub

Castle Biosciences (CSTL) trades on NASDAQ, US in the Healthcare (Medical - Diagnostics & Research) sector. As of 2026-09-11, shares last closed at 32.33 USD (+0.06%), in a range — insufficient history for 200-DMA. Valuation: trailing P/E -57.76, market cap 0.74B. This hub links to the full technical, earnings and options research available for CSTL.

Last updated 2026-09-11 · Source: FMP end-of-day prices (adjusted); indicators computed by SniperIQ

SectorHealthcare (Medical - Diagnostics & Research)
ExchangeNASDAQ, US
Last close32.33 USD (+0.06%)
52-week range19.86 USD – 35.2 USD
Trend regimeRange
14-day RSI51.4 (Neutral)
Trailing P/E-57.76
Market cap0.74B
Dividend yield0.00%
Next earnings2026-07-30

Available research for CSTL

Earnings

CSTL earnings: next report 2026-07-30, real EPS beat/miss history, analyst consensus Buy, P/E -57.76. Updated 2026-07-23.

Options: Covered Call

Covered Call on CSTL: how it works, illustrative setup around the real 32.33 USD price, max profit/loss, breakeven and when to use it. Educational.

Options: Iron Condor

Iron Condor on CSTL: how it works, illustrative setup around the real 32.33 USD price, max profit/loss, breakeven and when to use it. Educational.

Options: Protective Put

Protective Put on CSTL: how it works, illustrative setup around the real 32.33 USD price, max profit/loss, breakeven and when to use it. Educational.

Technical

CSTL technical analysis: range, last 32.33 USD, RSI 51.4, 52w range 19.86 USD–35.2 USD, real support/resistance. Updated 2026-09-11.

Frequently asked questions

What sector is CSTL in?

Castle Biosciences (CSTL) is classified under Healthcare (Medical - Diagnostics & Research), listed on NASDAQ, US.

Is CSTL in an uptrend or downtrend?

As of 2026-09-11, CSTL is in a range — insufficient history for 200-DMA. See the full technical research page for support and resistance levels.

What is CSTL's trailing P/E ratio?

CSTL's trailing P/E is -57.76, with a market cap of 0.74B. See the earnings research page for full valuation detail.

When does CSTL next report earnings?

CSTL is next scheduled to report earnings on 2026-07-30, with a consensus EPS estimate of -0.44 USD.