IESC vs. SRFM
IESC (IES Holdings, Inc.) and SRFM (Surf Air Mobility Inc.) are both stocks. Both are in the Industrials sector — IESC in Engineering & Construction, SRFM in Airlines. Over the past year, IESC returned 175.21% vs -51.57% for SRFM. At a 0.19 correlation, their price movements are largely independent.
Performance
IESC vs. SRFM - Performance Comparison
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Returns By Period
In the year-to-date period, IESC achieves a 92.75% return, which is significantly higher than SRFM's -44.33% return.
IESC
- 1D
- 2.53%
- 1M
- 10.63%
- YTD
- 92.75%
- 6M
- 62.95%
- 1Y
- 175.21%
- 3Y*
- 139.60%
- 5Y*
- 70.53%
- 10Y*
- 48.97%
SRFM
- 1D
- -2.70%
- 1M
- -12.90%
- YTD
- -44.33%
- 6M
- -48.57%
- 1Y
- -51.57%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IESC vs. SRFM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
IESC IES Holdings, Inc. | 92.75% | 93.58% | 153.67% | 39.01% |
SRFM Surf Air Mobility Inc. | -44.33% | -64.01% | -50.32% | -69.00% |
Correlation
The correlation between IESC and SRFM is 0.32, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.32 |
Correlation (All Time) Calculated using the full available price history since Jul 27, 2023 | 0.19 |
The correlation between IESC and SRFM shifts across timeframes, from 0.19 (all time) to 0.32 (1 year), reflecting how their relationship changes across market environments.
Fundamentals
IESC:
$18.85
SRFM:
-$7.17
IESC:
4.17
SRFM:
0.16
IESC:
$3.63B
SRFM:
$108.66M
IESC:
$931.31M
SRFM:
$5.05M
IESC:
$487.14M
SRFM:
-$74.08M
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Return for Risk
IESC vs. SRFM — Risk / Return Rank
IESC
SRFM
IESC vs. SRFM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for IES Holdings, Inc. (IESC) and Surf Air Mobility Inc. (SRFM). 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.
| IESC | SRFM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +3.16 | ||
| Sortino ratioReturn per unit of downside risk | +2.66 | ||
| Omega ratioGain probability vs. loss probability | 1.40 | 1.03 | +0.37 |
| Calmar ratioReturn relative to maximum drawdown | 8.09 | -0.59 | +8.67 |
| Martin ratioReturn relative to average drawdown | 22.98 | -0.76 | +23.74 |
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Drawdowns
IESC vs. SRFM - Drawdown Comparison
The maximum IESC drawdown since its inception was -98.32%, roughly equal to the maximum SRFM drawdown of -97.29%. Use the drawdown chart below to compare losses from any high point for IESC and SRFM.
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Drawdown Indicators
| IESC | SRFM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -98.32% | -97.29% | -1.03% |
Max Drawdown (1Y)Largest decline over 1 year | -21.80% | -88.30% | +66.50% |
Max Drawdown (3Y)Largest decline over 3 years | -49.23% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -54.22% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -54.28% | — | — |
Current DrawdownCurrent decline from peak | 0.00% | -96.91% | +96.91% |
Average DrawdownAverage peak-to-trough decline | -54.97% | -87.68% | +32.71% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.66% | 67.54% | -59.88% |
Volatility
IESC vs. SRFM - Volatility Comparison
IES Holdings, Inc. (IESC) and Surf Air Mobility Inc. (SRFM) have volatilities of 15.69% and 16.48%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IESC | SRFM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 15.69% | 16.48% | -0.79% |
Volatility (6M)Calculated over the trailing 6-month period | 50.65% | 70.39% | -19.74% |
Volatility (1Y)Calculated over the trailing 1-year period | 62.74% | 148.04% | -85.30% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 54.09% | 152.04% | -97.95% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 48.19% | 152.04% | -103.85% |
Dividends
IESC vs. SRFM - Dividend Comparison
Neither IESC nor SRFM has paid dividends to shareholders.
Financials
IESC vs. SRFM - Financials Comparison
This section allows you to compare key financial metrics between IES Holdings, Inc. and Surf Air Mobility 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
IESC vs. SRFM - Profitability Comparison
IESC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, IES Holdings, Inc. reported a gross profit of 238.70M and revenue of 974.20M. Therefore, the gross margin over that period was 24.5%.
SRFM - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Surf Air Mobility Inc. reported a gross profit of -333.00K and revenue of 25.61M. Therefore, the gross margin over that period was -1.3%.
IESC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, IES Holdings, Inc. reported an operating income of 112.30M and revenue of 974.20M, resulting in an operating margin of 11.5%.
SRFM - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Surf Air Mobility Inc. reported an operating income of -13.36M and revenue of 25.61M, resulting in an operating margin of -52.1%.
IESC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, IES Holdings, Inc. reported a net income of 110.00M and revenue of 974.20M, resulting in a net margin of 11.3%.
SRFM - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Surf Air Mobility Inc. reported a net income of -20.26M and revenue of 25.61M, resulting in a net margin of -79.1%.
Frequently Asked Questions
IESC and SRFM have a correlation of 0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SRFM has higher volatility (16.48%) compared to IESC (15.69%). In terms of maximum drawdown, IESC dropped -98.32% vs SRFM's -97.29%.
IESC currently has the higher Sharpe Ratio (2.81 vs -0.35), 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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