CSTL Analyst Ratings
Castle Biosciences, Inc. (CSTL) operates in the Healthcare sector, specifically the Medical - Diagnostics & Research industry, with a market capitalization near $1.00B, listed on NASDAQ, employing roughly 1,002 people, carrying a beta of 0.94 to the broader market. Castle Biosciences, Inc. Led by Derek J. Maetzold, public since 2019-07-25.
Analyst Ratings
In the October 2026 monthly count, 9 analysts rated CSTL: 0 Strong Buy, 9 Buy, 0 Hold, 0 Sell and 0 Strong Sell.
Twelve months earlier, in October 2025: 8 analysts, 0 Strong Buy, 8 Buy, 0 Hold, 0 Sell and 0 Strong Sell.
Price Targets
- Average Target
- $39.00
- Median Target
- $40.00
- High
- $44.00
- Low
- $35.00
- Targets Published, Last 12 Months
- 11
Recent Price Targets
The 5 most recent of 11 price targets published in the last 12 months.
| Date | Firm | Analyst | Target | Price When Posted |
|---|---|---|---|---|
| Aug 3, 2026 | BTIG | Sung Ji Nam | $44.00 | $28.00 |
| Jul 31, 2026 | Robert W. Baird | Not named | $36.00 | $26.79 |
| Jun 24, 2026 | Roth Capital | Not named | $40.00 | $22.12 |
| May 29, 2026 | KeyBanc | Not named | $35.00 | $21.19 |
| Apr 20, 2026 | Canaccord Genuity | Kyle Mikson | $40.00 | $25.04 |
Recent Upgrades & Downgrades
| Date | Firm | Action | From | To |
|---|---|---|---|---|
| Aug 3, 2026 | BTIG | maintain | Buy | Buy |
| May 13, 2026 | BTIG | maintain | Buy | Buy |
| May 7, 2026 | Baird | maintain | Outperform | Outperform |
| Apr 20, 2026 | Canaccord Genuity | maintain | Buy | Buy |
| Feb 27, 2026 | Baird | maintain | Outperform | Outperform |
Quantitative Rating
CSTL carries a model grade of C+ (overall score 2 of 5), computed from six valuation and financial measures (discounted cash flow, return on equity, return on assets, debt to equity, price to earnings and price to book), each scored 1 to 5. It is not an analyst rating.
How to Read CSTL Analyst Coverage
Sell-side equity analysts publish three primary outputs: ratings (Strong Buy / Buy / Hold / Sell / Strong Sell, or firm-specific equivalents), price targets, and EPS / revenue estimate revisions. Rating consensus moves slowly relative to price; it reflects 12-month directional conviction rather than near-term momentum. Price targets are more responsive but typically drift behind realized price during sharp moves. The most actionable signal for options traders is a cluster of ratings actions across multiple firms within a short window, which compresses or expands implied volatility on a horizon of days to weeks and shifts the put-call skew toward the directional consensus. The recent-actions table above shows the five most recent firm-level changes; longer histories live behind aggregator sources.
For event-driven options sizing, pair the consensus rating and target distribution with the implied-volatility surface and dealer-positioning view. Aggressive target hikes from multiple firms tend to tighten put skew (downside protection becomes relatively cheaper); aggressive cuts widen put skew. The size of the IV response in the hours after a rating change is visible on the per-ticker volatility skew page and the gamma-exposure page, both of which show how dealer hedging propagates the analyst-driven flow into the listed options chain.
Learn how analyst ratings is reported and how to read the data →
Frequently asked CSTL analyst ratings questions
- What is the CSTL consensus price target?
- As of the latest aggregator update, Castle Biosciences, Inc. (CSTL) carries a consensus 12-month price target of $39.00. Target ranges run from a low of $35.00 to a high of $44.00. The target is the average of the price targets published by sell-side equity analysts covering the name.
- What is the analyst rating consensus on CSTL?
- In the October 2026 monthly count, 9 analysts rated CSTL, and the distribution tilts to the Buy side: 0 Strong Buy, 9 Buy, 0 Hold, 0 Sell and 0 Strong Sell. Rating consensus moves slowly relative to price; it reflects sell-side conviction over a 12-month horizon rather than near-term momentum.
- What recent ratings actions has CSTL seen?
- The five most recent ratings actions on CSTL appear on the page above. Sell-side rating changes are watched for two reasons: an upgrade or downgrade with a meaningful target revision moves the consensus and can trigger short-term positioning shifts, and the firm-level rating cluster (multiple firms moving in the same direction within a short window) is a clearer signal than any single action. Options markets often price the implied-vol response within minutes of the announcement.
- How do analyst targets affect CSTL options pricing?
- Analyst target revisions tend to be priced in by the lit options market within minutes of publication, but persistent target drift over weeks does correlate with implied-volatility movement. Aggressive target hikes from multiple firms inside a single quarter tighten put skew (downside protection becomes cheaper relative to upside speculation); aggressive cuts widen put skew. The most actionable read is the implied-vol response in the hours after a target change, which is visible on the per-ticker volatility skew page.