Castle Biosciences CSTL
NASDAQ CSTL
$34.67 +1.52 (+4.59%)
As of: Oct 21, 2026 · 2:23 PM EDT

Castle Biosciences (CSTL) EPS (Basic) (2018 - 2026)

Updated

Castle Biosciences (CSTL) reported EPS (Basic) of -$0.07 for Q2 2026, compared with $0.16 a year earlier.

Analysis

Castle Biosciences (CSTL) EPS (Basic) (2018 - 2026) Analysis & Trends

Over the twelve months ended Jun 30, 2026, Castle Biosciences' EPS (Basic) came in at -$0.64; for FY2025, it came in at -$0.83.

  • By year, EPS (Basic) came in at $0.66 in FY2024, -$2.14 in FY2023, -$2.58 in FY2022 and -$1.24 in FY2021.
  • Five-year quarterly EPS (Basic) spans a low of -$1.10 in Q1 2023 and a high of $0.35 in Q4 2024.
  • Per Business Quant data, the three quarters before Q2 2026 came in at -$0.49 (Q1 2026), -$0.08 (Q4 2025) and -$0.02 (Q3 2025).
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) EPS (Basic) (Qtr)
1 HCA Healthcare 101.79 Bn 97.80 Bn - 7.70
2 Natera 59.95 Bn 55.63 Bn 485.19 Mn -0.47
3 Quest Diagnostics 26.57 Bn 24.70 Bn 1.03 Bn 2.88
4 Labcorp Holdings 26.44 Bn 24.18 Bn 1.11 Bn 3.66
5 Tenet Healthcare 22.66 Bn 11.67 Bn - 9.89
6 Guardant Health 22.65 Bn 18.71 Bn 219.03 Mn -0.90
7 BrightSpring Health Services 13.02 Bn 11.35 Bn 492.75 Mn 0.41
8 Fresenius Medical Care AG 12.57 Bn 4.53 Bn 1.52 Bn 0.44
9 Tempus AI 12.24 Bn 9.27 Bn 246.50 Mn 0.03
10 Castle Biosciences 1.05 Bn -66.88 Mn 79.85 Mn -0.07
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 -0.07
Mar 31, 2026 -0.49
Dec 31, 2025 -0.08
Sep 30, 2025 -0.02
Jun 30, 2025 0.16
Mar 31, 2025 -0.90
Dec 31, 2024 0.35
Sep 30, 2024 0.08
Jun 30, 2024 0.32
Mar 31, 2024 -0.09
Dec 31, 2023 -0.10
Sep 30, 2023 -0.26
Jun 30, 2023 -0.70
Mar 31, 2023 -1.10
Dec 31, 2022 -0.79
Sep 30, 2022 -0.77
Jun 30, 2022 -0.06
Mar 31, 2022 -0.97
Dec 31, 2021 -0.26
Sep 30, 2021 -0.47
API Access

Castle Biosciences EPS (Basic) API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=eps-basic&ticker=CSTL&period=max&api_key=YOUR_API_KEY