AYI vs. ENS
AYI (Acuity Brands, Inc.) and ENS (EnerSys) are both stocks. Both operate in the Electrical Equipment & Parts industry within the Industrials sector. Over the past 10 years, AYI returned 2.38%/yr vs 13.30%/yr for ENS. A 0.50 correlation means they provide meaningful diversification when combined.
Performance
AYI vs. ENS - Performance Comparison
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Returns By Period
In the year-to-date period, AYI achieves a -9.51% return, which is significantly lower than ENS's 37.41% return. Over the past 10 years, AYI has underperformed ENS with an annualized return of 2.38%, while ENS has yielded a comparatively higher 13.30% annualized return.
AYI
- 1D
- -2.33%
- 1M
- 9.46%
- 6M
- 3.10%
- YTD
- -9.51%
- 1Y
- 9.29%
- 3Y*
- 25.57%
- 5Y*
- 14.59%
- 10Y*
- 2.38%
ENS
- 1D
- -2.23%
- 1M
- -10.23%
- 6M
- 24.84%
- YTD
- 37.41%
- 1Y
- 131.11%
- 3Y*
- 23.10%
- 5Y*
- 17.14%
- 10Y*
- 13.30%
AYI vs. ENS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AYI Acuity Brands, Inc. | -9.51% | 23.53% | 42.95% | 24.06% | -21.55% | 75.42% | -11.79% | 20.54% | -34.44% | -23.55% |
ENS EnerSys | 37.41% | 60.28% | -7.57% | 37.90% | -5.64% | -4.04% | 12.19% | -2.57% | 12.46% | -9.97% |
Correlation
The correlation between AYI and ENS is 0.50, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.50 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.50 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.55 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.53 |
Correlation (All Time) Calculated using the full available price history since Aug 2, 2004 | 0.50 |
The correlation between AYI and ENS has been stable across timeframes, ranging from 0.50 to 0.55 - a consistent structural relationship.
Fundamentals
AYI:
$9.74B
ENS:
$7.33B
AYI:
$15.06
ENS:
$7.74
AYI:
21.60
ENS:
25.99
AYI:
1.74
ENS:
1.00
AYI:
2.21
ENS:
2.03
AYI:
3.53
ENS:
4.03
AYI:
$4.61B
ENS:
$3.75B
AYI:
$2.27B
ENS:
$1.10B
AYI:
$754.50M
ENS:
$426.46M
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Return for Risk
AYI vs. ENS — Risk / Return Rank
AYI
ENS
AYI vs. ENS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Acuity Brands, Inc. (AYI) and EnerSys (ENS). 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.
| AYI | ENS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -3.08 | ||
| Sortino ratioReturn per unit of downside risk | -2.83 | ||
| Omega ratioGain probability vs. loss probability | 1.08 | 1.50 | -0.42 |
| Calmar ratioReturn relative to maximum drawdown | 0.30 | 6.81 | -6.51 |
| Martin ratioReturn relative to average drawdown | 0.62 | 22.29 | -21.67 |
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Drawdowns
AYI vs. ENS - Drawdown Comparison
The maximum AYI drawdown since its inception was -74.22%, smaller than the maximum ENS drawdown of -83.95%. Use the drawdown chart below to compare losses from any high point for AYI and ENS.
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Drawdown Indicators
| AYI | ENS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -74.22% | -83.95% | +9.73% |
Max Drawdown (1Y)Largest decline over 1 year | -31.52% | -19.37% | -12.15% |
Max Drawdown (3Y)Largest decline over 3 years | -33.72% | -29.32% | -4.40% |
Max Drawdown (5Y)Largest decline over 5 years | -34.64% | -41.77% | +7.13% |
Max Drawdown (10Y)Largest decline over 10 years | -74.22% | -56.27% | -17.95% |
Current DrawdownCurrent decline from peak | -13.62% | -17.27% | +3.65% |
Average DrawdownAverage peak-to-trough decline | -23.12% | -17.97% | -5.15% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 15.12% | 5.91% | +9.21% |
Volatility
AYI vs. ENS - Volatility Comparison
Acuity Brands, Inc. (AYI) has a higher volatility of 20.70% compared to EnerSys (ENS) at 16.17%. This indicates that AYI's price experiences larger fluctuations and is considered to be riskier than ENS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AYI | ENS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 20.70% | 16.17% | +4.53% |
Volatility (6M)Calculated over the trailing 6-month period | 30.08% | 34.73% | -4.65% |
Volatility (1Y)Calculated over the trailing 1-year period | 38.12% | 39.78% | -1.66% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 32.91% | 35.14% | -2.23% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 37.38% | 36.84% | +0.54% |
Dividends
AYI vs. ENS - Dividend Comparison
AYI's dividend yield for the trailing twelve months is around 0.23%, less than ENS's 0.52% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AYI Acuity Brands, Inc. | 0.23% | 0.19% | 0.21% | 0.25% | 0.31% | 0.25% | 0.43% | 0.38% | 0.45% | 0.30% | 0.23% | 0.22% |
ENS EnerSys | 0.52% | 0.68% | 1.01% | 0.79% | 0.95% | 0.89% | 0.84% | 0.94% | 0.90% | 1.01% | 0.90% | 1.25% |
Financials
AYI vs. ENS - Financials Comparison
This section allows you to compare key financial metrics between Acuity Brands, Inc. and EnerSys. 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
AYI vs. ENS - Profitability Comparison
AYI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, Acuity Brands, Inc. reported a gross profit of 606.40M and revenue of 1.20B. Therefore, the gross margin over that period was 50.6%.
ENS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, EnerSys reported a gross profit of 290.86M and revenue of 988.01M. Therefore, the gross margin over that period was 29.4%.
AYI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Acuity Brands, Inc. reported an operating income of 193.30M and revenue of 1.20B, resulting in an operating margin of 16.1%.
ENS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, EnerSys reported an operating income of 123.75M and revenue of 988.01M, resulting in an operating margin of 12.5%.
AYI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Acuity Brands, Inc. reported a net income of 141.00M and revenue of 1.20B, resulting in a net margin of 11.8%.
ENS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, EnerSys reported a net income of 77.20M and revenue of 988.01M, resulting in a net margin of 7.8%.
Frequently Asked Questions
AYI and ENS have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AYI has higher volatility (20.70%) compared to ENS (16.17%). In terms of maximum drawdown, AYI dropped -74.22% vs ENS's -83.95%.
ENS currently has the higher Sharpe Ratio (3.32 vs 0.25), 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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