SRFM vs. IESC
SRFM (Surf Air Mobility Inc.) and IESC (IES Holdings, Inc.) are both stocks. Both are in the Industrials sector — SRFM in Airlines, IESC in Engineering & Construction. Over the past year, SRFM returned -56.75% vs 166.54% for IESC. At a 0.18 correlation, their price movements are largely independent.
Performance
SRFM vs. IESC - Performance Comparison
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Returns By Period
In the year-to-date period, SRFM achieves a -43.81% return, which is significantly lower than IESC's 86.22% return.
SRFM
- 1D
- -3.54%
- 1M
- -1.80%
- YTD
- -43.81%
- 6M
- -52.61%
- 1Y
- -56.75%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IESC
- 1D
- 2.77%
- 1M
- 15.65%
- YTD
- 86.22%
- 6M
- 72.76%
- 1Y
- 166.54%
- 3Y*
- 142.30%
- 5Y*
- 67.69%
- 10Y*
- 47.29%
SRFM vs. IESC - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
SRFM Surf Air Mobility Inc. | -43.81% | -64.01% | -50.32% | -50.79% |
IESC IES Holdings, Inc. | 86.22% | 93.58% | 153.67% | 42.33% |
Correlation
The correlation between SRFM and IESC is 0.31, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.31 |
Correlation (All Time) Calculated using the full available price history since Jul 28, 2023 | 0.18 |
The correlation between SRFM and IESC shifts across timeframes, from 0.18 (all time) to 0.31 (1 year), reflecting how their relationship changes across market environments.
Fundamentals
SRFM:
-$7.17
IESC:
$18.85
SRFM:
0.16
IESC:
4.02
SRFM:
$108.66M
IESC:
$3.63B
SRFM:
$5.05M
IESC:
$931.31M
SRFM:
-$74.08M
IESC:
$487.14M
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Return for Risk
SRFM vs. IESC — Risk / Return Rank
SRFM
IESC
SRFM vs. IESC - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Surf Air Mobility Inc. (SRFM) and IES Holdings, Inc. (IESC). 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.
| SRFM | IESC | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | -0.38 | 2.71 | -3.09 |
Sortino ratioReturn per unit of downside risk | 0.13 | 2.88 | -2.75 |
Omega ratioGain probability vs. loss probability | 1.01 | 1.39 | -0.38 |
Calmar ratioReturn relative to maximum drawdown | -0.64 | 7.69 | -8.33 |
Martin ratioReturn relative to average drawdown | -0.86 | 21.83 | -22.69 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| SRFM | IESC | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.38 | 2.71 | -3.09 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 1.26 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.99 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.43 | 0.05 | -0.49 |
Drawdowns
SRFM vs. IESC - Drawdown Comparison
The maximum SRFM drawdown since its inception was -95.69%, roughly equal to the maximum IESC drawdown of -98.32%. Use the drawdown chart below to compare losses from any high point for SRFM and IESC.
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Drawdown Indicators
| SRFM | IESC | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -95.69% | -98.32% | +2.63% |
Max Drawdown (1Y)Largest decline over 1 year | -88.30% | -21.80% | -66.50% |
Max Drawdown (3Y)Largest decline over 3 years | — | -49.23% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -54.28% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -54.28% | — |
Current DrawdownCurrent decline from peak | -95.06% | 0.00% | -95.06% |
Average DrawdownAverage peak-to-trough decline | -80.42% | -55.03% | -25.39% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 66.04% | 7.66% | +58.38% |
Volatility
SRFM vs. IESC - Volatility Comparison
Surf Air Mobility Inc. (SRFM) has a higher volatility of 28.37% compared to IES Holdings, Inc. (IESC) at 12.25%. This indicates that SRFM's price experiences larger fluctuations and is considered to be riskier than IESC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SRFM | IESC | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 28.37% | 12.25% | +16.12% |
Volatility (6M)Calculated over the trailing 6-month period | 72.20% | 49.68% | +22.52% |
Volatility (1Y)Calculated over the trailing 1-year period | 149.13% | 61.92% | +87.21% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 151.21% | 53.91% | +97.30% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 151.21% | 48.10% | +103.11% |
Dividends
SRFM vs. IESC - Dividend Comparison
Neither SRFM nor IESC has paid dividends to shareholders.
Financials
SRFM vs. IESC - Financials Comparison
This section allows you to compare key financial metrics between Surf Air Mobility Inc. and IES Holdings, 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
SRFM vs. IESC - Profitability Comparison
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 - 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 - 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 - 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 - 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%.
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%.
Frequently Asked Questions
SRFM and IESC have a correlation of 0.31, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SRFM has higher volatility (28.37%) compared to IESC (12.25%). In terms of maximum drawdown, SRFM dropped -95.69% vs IESC's -98.32%.
IESC currently has the higher Sharpe Ratio (2.71 vs -0.38), 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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