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Castle Biosciences Inc (CSTL)

Castle Biosciences Inc (CSTL)
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Fundamentals

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  • Market Capitalization, $K 806,305
  • Shares Outstanding, K 29,731
  • Annual Sales, $ 344,230 K
  • Annual Income, $ -24,160 K
  • EBIT $ -8 M
  • EBITDA $ 29 M
  • 60-Month Beta 1.09
  • Price/Sales 2.41
  • Price/Cash Flow 25.07
  • Price/Book 1.73

Options Overview Details

View History
  • Implied Volatility 65.83% (+1.06%)
  • Historical Volatility 60.43%
  • IV Percentile 54%
  • IV Rank 38.24%
  • IV High 101.74% on 02/20/26
  • IV Low 43.60% on 08/19/25
  • Expected Move (DTE 11) 3.36 (12.38%)
  • Put/Call Vol Ratio 1.57
  • Today's Volume 18
  • Volume Avg (30-Day) 43
  • Put/Call OI Ratio 0.27
  • Today's Open Interest 1,807
  • Open Int (30-Day) 1,589
  • Expected Range 23.76 to 30.48

Analyst Rating / Earnings Estimates

Current Rating
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Strong Buy
Based on 9 analysts offering recommendations.
Earnings Estimates - Current Qtr 03/31/26
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  • Average Estimate -0.38
  • Number of Estimates 2
  • High Estimate -0.19
  • Low Estimate -0.56
  • Prior Year -0.20
  • Growth Rate Est. (year over year) -90.00%

Price Performance

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Period Period Low Period High Performance
1-Month
26.61 +1.92%
on 03/03/26
34.44 -21.25%
on 02/18/26
-5.63 (-17.19%)
since 02/06/26
3-Month
26.61 +1.92%
on 03/03/26
44.28 -38.75%
on 01/26/26
-11.52 (-29.81%)
since 12/05/25
52-Week
14.59 +85.88%
on 08/04/25
44.28 -38.75%
on 01/26/26
+6.53 (+31.71%)
since 03/06/25

Most Recent Stories

More News
Castle Biosciences to Present Data at SSO 2026 on DecisionDx®-Melanoma’s i31-SLNB, Identifying T1b–T2a Melanoma Patients Who May Safely Avoid SLNB

FRIENDSWOOD, Texas, March 04, 2026 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced that new data...

CSTL : 27.12 (-2.83%)
Castle Biosciences Announces Grand Opening of New Corporate Headquarters in Friendswood, Texas

FRIENDSWOOD, Texas, March 03, 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 : 27.12 (-2.83%)
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 : 27.12 (-2.83%)
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 : 27.12 (-2.83%)
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 : 27.12 (-2.83%)
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 : 27.12 (-2.83%)
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 : 27.12 (-2.83%)
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 : 27.12 (-2.83%)
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 : 27.12 (-2.83%)
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 : 27.12 (-2.83%)

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.

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Key Turning Points

3rd Resistance Point 28.32
2nd Resistance Point 28.06
1st Resistance Point 27.59
Last Price 27.12
1st Support Level 26.86
2nd Support Level 26.60
3rd Support Level 26.13

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52-Week High 44.28
Fibonacci 61.8% 32.94
Fibonacci 50% 29.43
Last Price 27.12
Fibonacci 38.2% 25.93
52-Week Low 14.59

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