Your browser of choice has not been tested for use with Barchart.com. If you have issues, please download one of the browsers listed here.
Never miss an Options trading signal: Unusual Options Activity and Options Screeners with Barchart Premier. FREE 30 Day Trial
Stocks | Futures | Watchlist | News | More
or
Faster, Cleaner, Better.

Castle Biosciences Inc (CSTL)

Castle Biosciences Inc (CSTL)
[[ item.lastPrice ]] [[ item.priceChange ]] ([[ item.percentChange ]]) [[ item.tradeTime ]] [NASDAQ]
[[ item.bidPrice ]] x [[ item.bidSize ]] [[ item.askPrice ]] x [[ item.askSize ]]
[[ session ]] by (Cboe BZX)
[[ item.lastPrice ]] [[ item.priceChange ]] ([[ item.percentChange ]]) [[ item.tradeTime ]] [NASDAQ]
[[ item.bidPrice ]] x [[ item.bidSize ]] [[ item.askPrice ]] x [[ item.askSize ]]
[[ session ]] [[ item.lastPriceExt ]] [[ item.priceChangeExt ]] ([[ item.percentChangeExt ]]) [[ item.tradeTimeExt ]]
Quote Overview for [[ item.sessionDateDisplayLong ]]
[[ rowChartData.labelLow ]]
[[ rowChartData.lowPriceFormatted ]]
[[ rowChartData.lowPrice ]]
[[ rowChartData.labelHigh ]]
[[ rowChartData.highPriceFormatted ]]
[[ rowChartData.highPrice ]]
since [[ rowChartData.lowDate ]]
since [[ rowChartData.highDate ]]
[[ value ]] [[ value ]]
Realtime quote and/or trades are not sourced from all markets.

Fundamentals

See More
  • Market Capitalization, $K 863,118
  • Shares Outstanding, K 29,189
  • Annual Sales, $ 332,070 K
  • Annual Income, $ 18,250 K
  • EBIT $ 2 M
  • EBITDA $ 11 M
  • 60-Month Beta 1.06
  • Price/Sales 2.51
  • Price/Cash Flow 30.05
  • Price/Book 1.85

Options Overview Details

View History
  • Implied Volatility 64.22% (-2.56%)
  • Historical Volatility 61.72%
  • IV Percentile 50%
  • IV Rank 35.46%
  • IV High 101.74% on 02/20/26
  • IV Low 43.60% on 08/19/25
  • Expected Move (DTE 18) 2.89 (10.33%)
  • Put/Call Vol Ratio 0.04
  • Today's Volume 52
  • Volume Avg (30-Day) 104
  • Put/Call OI Ratio 0.27
  • Today's Open Interest 1,793
  • Open Int (30-Day) 1,519
  • Expected Range 25.10 to 30.88

Analyst Rating / Earnings Estimates

Current Rating
See More
Strong Buy
Based on 9 analysts offering recommendations.
Earnings Estimates - Current Qtr 03/31/26
See More
  • Average Estimate -0.23
  • Number of Estimates 2
  • High Estimate -0.19
  • Low Estimate -0.28
  • Prior Year -0.20
  • Growth Rate Est. (year over year) -15.00%

Price Performance

See More
Period Period Low Period High Performance
1-Month
27.22 +2.83%
on 02/27/26
40.45 -30.80%
on 02/03/26
-11.48 (-29.09%)
since 02/02/26
3-Month
27.22 +2.83%
on 02/27/26
44.28 -36.79%
on 01/26/26
-11.11 (-28.41%)
since 12/02/25
52-Week
14.59 +91.84%
on 08/04/25
44.28 -36.79%
on 01/26/26
+6.31 (+29.11%)
since 02/28/25

Most Recent Stories

More News
Castle Biosciences Reports Fourth Quarter and Full–Year 2025 Results

2025 total test reports for our core revenue drivers (DecisionDx ® -Melanoma, TissueCypher ® ) increased 37% over 2024 Exceeded 2025 guidance with full-year revenue of $344 million Conference call...

CSTL : 27.99 (-5.34%)
Prospective Validation Study in JAAD Demonstrates Castle Biosciences’ AdvanceAD-Tx™ Test Identifies Patients More Likely to Achieve Faster and Deeper Responses with JAK Inhibitor Therapy in Moderate-to-Severe Atopic Dermatitis

FRIENDSWOOD, Texas, Feb. 19, 2026 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced the publication...

CSTL : 27.99 (-5.34%)
Castle Biosciences to Release Fourth Quarter and Full-Year 2025 Financial Results and Host Conference Call on Thursday, Feb. 26, 2026

FRIENDSWOOD, Texas, Feb. 05, 2026 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced that it will...

CSTL : 27.99 (-5.34%)
Castle Biosciences Announces Preliminary Unaudited Fourth Quarter and Full–Year 2025 Results

2025 total revenue expected to exceed $340 million, above the previously guided range of $327-335 million 2025 total test reports for our core revenue drivers (DecisionDx ® -Melanoma, TissueCypher...

CSTL : 27.99 (-5.34%)
Castle Biosciences Reports Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)

FRIENDSWOOD, Texas, Dec. 19, 2025 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced that on Dec....

CSTL : 27.99 (-5.34%)
Landmark Study Shows Combination of Castle Biosciences' DecisionDx®-UM and PRAME Outperforms Gene Mutation Analysis in Predicting Survival Outcomes in Uveal Melanoma

FRIENDSWOOD, Texas, Dec. 17, 2025 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced new data from...

CSTL : 27.99 (-5.34%)
Systematic Review and Meta-Analysis Confirms TissueCypher® Outperforms Traditional Pathology or Clinical Factors Alone to Identify Patients at Increased Risk of Developing Esophageal Cancer

FRIENDSWOOD, Texas, Dec. 12, 2025 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced the publication...

CSTL : 27.99 (-5.34%)
Expert Melanoma Panel Recommends Castle Biosciences’ DecisionDx®-Melanoma as a Best-Practice Tool for Managing Patients with Melanoma

FRIENDSWOOD, Texas, Dec. 09, 2025 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced the publication...

CSTL : 27.99 (-5.34%)
Castle Biosciences Earns a Houston Chronicle Top Workplaces Award for the Fifth Consecutive Year

FRIENDSWOOD, Texas, Nov. 17, 2025 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced that it has...

CSTL : 27.99 (-5.34%)
New Data Confirms Performance of DecisionDx®-Melanoma to Identify Patients with Less Than Five Percent Risk of Sentinel Lymph Node Positivity

FRIENDSWOOD, Texas, Nov. 14, 2025 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced new data demonstrating...

CSTL : 27.99 (-5.34%)

Business Summary

Castle Biosciences Inc. is a commercial-stage dermatological cancer company. It is focused on providing physicians and patients, clinically actionable genomic information. Castle Biosciences Inc. is based in Texas, United States.

See More

Key Turning Points

3rd Resistance Point 30.64
2nd Resistance Point 30.00
1st Resistance Point 29.00
Last Price 27.99
1st Support Level 27.36
2nd Support Level 26.72
3rd Support Level 25.72

See More

52-Week High 44.28
Fibonacci 61.8% 32.94
Fibonacci 50% 29.43
Last Price 27.99
Fibonacci 38.2% 25.93
52-Week Low 14.59

See More

Want to use this as
your default charts setting?
Save this setup as a Chart Templates
Switch the Market flag
for targeted data from your country of choice.
Open the menu and switch the
Market flag for targeted data from your country of choice.
Want Streaming Chart Updates?
Switch your Site Preferences
to use Interactive Charts
Need More Chart Options?
Right-click on the chart to open the Interactive Chart menu.
Use your up/down arrows to move through the symbols.
Free Barchart Webinar