Logo image of CSTL

CASTLE BIOSCIENCES INC (CSTL) Stock Technical Analysis

USA - NASDAQ:CSTL - US14843C1053 - Common Stock

22.67 USD
-0.89 (-3.78%)
Last: 9/24/2025, 8:00:01 PM
22.67 USD
0 (0%)
After Hours: 9/24/2025, 8:00:01 PM
Technical Rating and Analysis

7

We assign a technical rating of 7 out of 10 to CSTL. Although CSTL is a bad performer in the overall market, the technical picture looks good in both the medium and short term time frames.

76% of all other stocks performed better in the past year than CSTL.
Both the short term and long term trends are positive. This is a very positive sign.
CSTL is part of the Health Care Providers & Services industry. There are 101 other stocks in this industry, CSTL did better than 52% of them.
CSTL is currently trading in the middle of its 52 week range. The S&P500 Index however is currently trading near new highs, so CSTL is lagging the market.
In the last month CSTL has a been trading in the 21.24 - 24.74 range, which is quite wide. It is currently trading in the middle of this range, so some resistance may be found above.
Weekly and Daily overview Charts
CASTLE BIOSCIENCES INC / CSTL Weekly stock chart
CASTLE BIOSCIENCES INC / CSTL Daily stock chart
Setup Rating and Analysis

7

CSTL has an excellent technical rating and also presents a decent setup pattern. Prices have been consolidating lately. There is a resistance zone just above the current price starting at 24.12. Right above this resistance zone may be a good entry point. There is a support zone below the current price at 21.42, a Stop Loss order could be placed below this zone. Another positive sign is the recent Pocket Pivot signal.

  • A Pocket Pivot is a price/volume accumulation pattern. A Pocket Pivot occurs when price moves up with volume higher than the maximum down volume registered in the previous 10 days.
Support and Resistance Analysis

20.93

24.90

When analyzing the support we notice one important area.

  • A support zone ranging from 21.14 to 21.42. This zone is formed by a combination of multiple trend lines and important moving averages in multiple time frames.

When analyzing the resistance we notice one important area.

  • A resistance zone ranging from 24.12 to 24.65. This zone is formed by a combination of multiple trend lines in multiple time frames.
Technical Indicator Signal Analysis

The Technical Rating and Setup analysis above combine different indicators and trends in different timeframes. Individual signals from indicators may give more contradictive signals and should always be interpreted in the more global context.

IndicatorValueSignalComment
ChartMill Long Term Trend IndicatorUPPOSITIVEThe long term trend for CSTL is up.
ChartMill Short Term Trend IndicatorUPPOSITIVEThe short term trend for CSTL is up.
ChartMill Relative Strength24.22NEGATIVECSTL has a low relative strength, it was outperformed by 75.78% off all stocks on the market.
Simple Moving Average/SMA (20)UPMIXEDThe current price of CSTL is below the rising SMA(20).
Simple Moving Average/SMA (50)UPPOSITIVEThe current price of CSTL is above the rising SMA(50).
Simple Moving Average/SMA (200)DOWNMIXEDThe current price of CSTL is above a declining SMA(200).
Relative Strength Index/RSI (14)52.72NEUTRALThe RSI value for CSTL is a neutral value.
Moving Average Convergence Divergence/MACD (12, 26, 9)-0.11NEGATIVEThe MACD value suggests CSTL has a negative trend.
Stochastics (14,3)62.33NEUTRALThe Stochastics value for CSTL is a neutral value.
Average True Range in percent/ATR (20)4.97MEDIUM VOLATILITYThe ATR as a percentage value for CSTL suggests some volalility.
Average Directional Index/ADX (14)30.18POSITIVEThe high ADX value value for CSTL suggests a strong trend.
Chart- and CandleStick Pattern Analysis
Daily CandleStick Patterns
Bullish Engulfing (D)
Bullish Hammer (D)
Bearish Inverted Hammer (D)
Hanging Man (D)
Bullish Harami (D)
Doji (D)
Gravestone Doji (D)
DragonFly Doji (D)
Bearish Engulfing (D)
Bearish Shooting Star (D)
Bearish Harami (D)
Inside Bar (D)
Red Dog Reversal Down (D)
Red Dog Reversal Up (D)
Dark Cloud Cover (D)
Weekly CandleStick Patterns
Bullish Engulfing (W)
Bullish Hammer (W)
Bearish Inverted Hammer (W)
Hanging Man (W)
Bullish Harami (W)
Doji (W)
Gravestone Doji (W)
DragonFly Doji (W)
Bearish Engulfing (W)
Bearish Shooting Star (W)
Bearish Harami (W)
Inside Bar (W)
Dark Cloud Cover (W)
Daily Chart Patterns
Bull Flag
Bear Flag
Ascending Triangle (D)
Descending Triangle (D)
Symmetrical Triangle (D)
Squeeze
Channel (D)
Channel Up (D)
Channel Down (D)
Rising Wedge (D)
Falling Wedge (D)
Double Bottom (D)
Multiple Bottom (D)
Double Top (D)
Multiple Top (D)
Weekly Chart Patterns
Weekly Bull Flag
Weekly Bear Flag
Squeeze Week
Channel (W)
Double Bottom (W)
Multiple Bottom (W)
Double Top (W)
Multiple Top (W)
Example Setup

Important!: this is just an example which is fully automatically generated based on the analysis above and should in no way be interpreted as a suggestion. Always make your own analysis and determine your own entry and exit points.

ENTRYEXITDISTANCECAPITAL
22.7621.271.49 (6.56%)15.24%
An entry @22.76. This is a Buy Stop order right above the 10 day moving average.An exit @21.27. This is a Stop Loss order right below the 10 day low.The worst case loss on the trade is limited to 1.49 points, which is 6.56%.When investing 15.24% of your capital in this trade, your total portfolio risk will be 1.00%.

  • The distance between exit and entry is rather small compared to the average daily movement of CSTL. Please evaluate whether better entry and exit points can be found.
  • The generated setup is based on the nearest support and resistance areas. If you are looking for a more long term trade, probably a wider stop is advisable.
  • This trade setup was generated fully automatically and should not be interpreted as trading advice. Always check the related news for upcoming earnings or other events. Make your own analysis and trade at your own responsibility.
CASTLE BIOSCIENCES INC / CSTL Daily stock chart

CASTLE BIOSCIENCES INC

NASDAQ:CSTL (9/24/2025, 8:00:01 PM)

After market: 22.67 0 (0%)

22.67

-0.89 (-3.78%)

Chartmill TA Rating
Chartmill Setup Rating
Sector
GICS SectorHealth Care
GICS IndustryHealth Care Providers & Services
Performance
% Chg-3.78%
1 Week3.9%
2 Weeks-1.18%
1 Month6.18%
3 Month11.4%
6 Month13.69%
12 Month-18.63%
2 Year34.22%
3 Year-13.08%
5 Year-55.94%
10 YearN/A
15 YearN/A
Volatility
ATR(14)1.11
ATR(20)%4.97%
ATR Inc2.3%
Range Today1.18
ADR(20)1.11
ADR(20)%4.88%
Trend & SMA
ST Trend
LT Trend
SMA(5)
SMA(10)
SMA(20)
SMA(50)
SMA(100)
SMA(200)
Relative Strength & Ranges
CRS24.22
Mansfield-1.29
10 Day High24.65
10 Day Low21.28
20 Day High24.74
20 Day Low21.24
52 Week High35.84
52 Week Low14.59
CS1 End21.42
CR1 Start24.12
Volume & EV
DER(3)-1.52%
DER(5)0.81%
Volume251.00K
Volume Incr-1.93%
Vol(5)413.10K
Vol(50)536.13K