XGN vs. RAIL
XGN (Exagen Inc.) and RAIL (FreightCar America, Inc.) are both stocks. XGN operates in Diagnostics & Research (Healthcare), while RAIL operates in Railroads (Industrials). Over the past 5 years, XGN returned -17.59%/yr vs 8.96%/yr for RAIL. Their 0.17 correlation means their historical movements had little consistent relationship.
Performance
XGN vs. RAIL - Performance Comparison
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Returns By Period
In the year-to-date period, XGN achieves a -25.49% return, which is significantly higher than RAIL's -28.00% return.
XGN
- 1D
- -3.00%
- 1M
- -0.22%
- 6M
- 23.10%
- YTD
- -25.49%
- 1Y
- -47.51%
- 3Y*
- 21.91%
- 5Y*
- -17.59%
- 10Y*
- —
- ALL TIME*
- -17.38%
RAIL
- 1D
- 0.00%
- 1M
- -11.15%
- 6M
- -30.76%
- YTD
- -28.00%
- 1Y
- -18.67%
- 3Y*
- 37.44%
- 5Y*
- 8.96%
- 10Y*
- -5.38%
- ALL TIME*
- -3.74%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $1.33M | $1.77M | $1.96M | |
XGN Exagen Inc. | $1.07M | $1.02M | $1.70M |
XGN vs. RAIL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
XGN Exagen Inc. | -25.49% | 48.29% | 106.03% | -17.08% | -79.36% | -11.89% | -48.03% | 51.19% |
RAIL FreightCar America, Inc. | -28.00% | 23.55% | 231.85% | -15.63% | -13.28% | 53.11% | 16.43% | -59.96% |
Correlation
The correlation between XGN and RAIL is 0.21, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.21 |
Correlation (3Y) Balances recent behavior with more history. | 0.14 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.14 |
Correlation (All Time) Calculated using the full available price history since Sep 19, 2019 | 0.17 |
Fundamentals
XGN:
$109.44M
RAIL:
$157.41M
XGN:
-$0.89
RAIL:
$0.89
XGN:
1.51
RAIL:
0.56
XGN:
$68.38M
RAIL:
$469.01M
XGN:
$39.88M
RAIL:
$69.61M
XGN:
-$15.91M
RAIL:
-$1.50M
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Return for Risk
XGN vs. RAIL — Risk / Return Rank
XGN
RAIL
XGN vs. RAIL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Exagen Inc. (XGN) and FreightCar America, Inc. (RAIL). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| XGN | RAIL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.28 | ||
| Sortino ratioReturn per unit of downside risk | -0.66 | ||
| Omega ratioGain probability vs. loss probability | 0.91 | 0.98 | -0.07 |
| Calmar ratioReturn relative to maximum drawdown | -0.59 | -0.43 | -0.16 |
| Martin ratioReturn relative to average drawdown | -0.86 | -0.74 | -0.13 |
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Drawdowns
XGN vs. RAIL - Drawdown Comparison
The maximum XGN drawdown since its inception was -95.22%, roughly equal to the maximum RAIL drawdown of -98.88%. Use the drawdown chart below to compare losses from any high point for XGN and RAIL.
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Drawdown Indicators
| XGN | RAIL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -95.22% | -98.88% | +3.66% |
Max Drawdown (1Y)Largest decline over 1 year | -77.84% | -50.34% | -27.50% |
Max Drawdown (3Y)Largest decline over 3 years | -77.84% | -71.67% | -6.17% |
Max Drawdown (5Y)Largest decline over 5 years | -90.58% | -71.67% | -18.91% |
Max Drawdown (10Y)Largest decline over 10 years | — | -96.23% | — |
Current DrawdownCurrent decline from peak | -84.09% | -88.29% | +4.20% |
Average DrawdownAverage peak-to-trough decline | -71.09% | -71.96% | +0.87% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 53.41% | 29.31% | +24.10% |
Volatility
XGN vs. RAIL - Volatility Comparison
Exagen Inc. (XGN) has a higher volatility of 23.42% compared to FreightCar America, Inc. (RAIL) at 14.69%. This indicates that XGN's price experiences larger fluctuations and is considered to be riskier than RAIL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| XGN | RAIL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 23.42% | 14.69% | +8.73% |
Volatility (6M)Calculated over the trailing 6-month period | 60.11% | 43.90% | +16.21% |
Volatility (1Y)Calculated over the trailing 1-year period | 71.60% | 59.50% | +12.10% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 83.50% | 67.93% | +15.57% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 88.27% | 73.83% | +14.44% |
Dividends
XGN vs. RAIL - Dividend Comparison
Neither XGN nor RAIL has paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
RAIL FreightCar America, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 1.58% | 2.41% | 1.85% |
XGN Exagen Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Financials
XGN vs. RAIL - Financials Comparison
This section allows you to compare key financial metrics between Exagen Inc. and FreightCar America, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
XGN vs. RAIL - Profitability Comparison
XGN - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Exagen Inc. reported a gross profit of 10.21M and revenue of 17.31M. Therefore, the gross margin over that period was 59.0%.
RAIL - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, FreightCar America, Inc. reported a gross profit of 10.81M and revenue of 64.31M. Therefore, the gross margin over that period was 16.8%.
XGN - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Exagen Inc. reported an operating income of -3.41M and revenue of 17.31M, resulting in an operating margin of -19.7%.
RAIL - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, FreightCar America, Inc. reported an operating income of -594.00K and revenue of 64.31M, resulting in an operating margin of -0.9%.
XGN - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Exagen Inc. reported a net income of -3.97M and revenue of 17.31M, resulting in a net margin of -22.9%.
RAIL - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, FreightCar America, Inc. reported a net income of 41.65M and revenue of 64.31M, resulting in a net margin of 64.8%.
Frequently Asked Questions
XGN and RAIL have a correlation of 0.21, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
XGN has higher volatility (23.42%) compared to RAIL (14.69%). In terms of maximum drawdown, XGN dropped -95.22% vs RAIL's -98.88%.
RAIL currently has the higher Sharpe Ratio (-0.36 vs -0.65), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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