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Castle Biosciences Inc (CSTL)

Castle Biosciences Inc (CSTL)
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Realtime quote and/or trades are not sourced from all markets.

Fundamentals

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  • Market Capitalization, $K 944,848
  • 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 2.76
  • Price/Cash Flow 32.76
  • Price/Book 2.01

Options Overview Details

View History
  • Implied Volatility 81.54% (+0.73%)
  • Historical Volatility 48.39%
  • IV Percentile 89%
  • IV Rank 67.03%
  • IV High 100.20% on 10/16/25
  • IV Low 43.60% on 08/19/25
  • Expected Move (DTE 9) 3.66 (11.30%)
  • Put/Call Vol Ratio 999.99
  • Today's Volume 1
  • Volume Avg (30-Day) 215
  • Put/Call OI Ratio 0.25
  • Today's Open Interest 1,503
  • Open Int (30-Day) 1,368
  • Expected Range 28.69 to 36.00

Analyst Rating / Earnings Estimates

Current Rating
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Strong Buy
Based on 9 analysts offering recommendations.
Earnings Estimates - Current Qtr 12/31/25
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  • Average Estimate -0.22
  • Number of Estimates 2
  • High Estimate -0.07
  • Low Estimate -0.38
  • Prior Year 0.32
  • Growth Rate Est. (year over year) -168.75%

Price Performance

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Period Period Low Period High Performance
1-Month
31.38 +3.06%
on 02/11/26
44.28 -26.96%
on 01/26/26
-7.00 (-17.79%)
since 01/09/26
3-Month
31.38 +3.06%
on 02/11/26
44.28 -26.96%
on 01/26/26
-2.63 (-7.52%)
since 11/11/25
52-Week
14.59 +121.66%
on 08/04/25
44.28 -26.96%
on 01/26/26
+4.22 (+15.01%)
since 02/11/25

Most Recent Stories

More News
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 : 32.34 (-0.09%)
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 : 32.34 (-0.09%)
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 : 32.34 (-0.09%)
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 : 32.34 (-0.09%)
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 : 32.34 (-0.09%)
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 : 32.34 (-0.09%)
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 : 32.34 (-0.09%)
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 : 32.34 (-0.09%)
Castle Biosciences to Present at the Piper Sandler 37th Annual Healthcare Conference

FRIENDSWOOD, Texas, Nov. 11, 2025 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced that its executive...

CSTL : 32.34 (-0.09%)
Castle Biosciences Reports Third Quarter 2025 Results

Delivered Q3 2025 revenue of $83 million Q 3 2025 non-dermatologic revenue increased by 67% over Q 3 2024 Q 3 2025 total test reports for our core revenue drivers (DecisionDx ®...

CSTL : 32.34 (-0.09%)

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 34.69
2nd Resistance Point 33.83
1st Resistance Point 33.09
Last Price 32.34
1st Support Level 31.49
2nd Support Level 30.63
3rd Support Level 29.89

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52-Week High 44.28
Fibonacci 61.8% 32.94
Last Price 32.34
Fibonacci 50% 29.43
Fibonacci 38.2% 25.93
52-Week Low 14.59

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