PLPC vs. AYI

Last updated Apr 1, 2026

Compare and contrast key facts about Preformed Line Products Company (PLPC) and Acuity Brands, Inc. (AYI).

Performance

PLPC vs. AYI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Preformed Line Products Company (PLPC) and Acuity Brands, Inc. (AYI). The values are adjusted to include any dividend payments, if applicable.

PLPC vs. AYI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PLPC Preformed Line Products Company	31.11%	62.61%	-3.93%	61.77%	29.93%	-4.34%	15.14%	12.87%	-22.73%	23.98%
AYI Acuity Brands, Inc.	-22.12%	23.53%	42.95%	24.06%	-21.55%	75.42%	-11.79%	20.54%	-34.44%	-23.55%

Fundamentals

Market Cap PLPC : $1.34B AYI : $8.84B
EPS PLPC : $7.13 AYI : $13.01
PE Ratio PLPC : 37.98 AYI : 21.54
PEG Ratio PLPC : 6.98 AYI : 1.74
PS Ratio PLPC : 2.00 AYI : 1.95
PB Ratio PLPC : 2.81 AYI : 3.17
Total Revenue (TTM) PLPC : $669.34M AYI : $4.54B
Gross Profit (TTM) PLPC : $208.54M AYI : $2.18B
EBITDA (TTM) PLPC : $55.14M AYI : $636.30M

Returns By Period

In the year-to-date period, PLPC achieves a 31.11% return, which is significantly higher than AYI's -22.12% return. Over the past 10 years, PLPC has outperformed AYI with an annualized return of 23.81%, while AYI has yielded a comparatively lower 2.62% annualized return.

PLPC

• 1D: 2.65%
• 1M: 6.74%
• YTD: 31.11%
• 6M: 38.31%
• 1Y: 94.18%
• 3Y*: 29.00%
• 5Y*: 32.33%
• 10Y*: 23.81%

AYI

• 1D: 2.86%
• 1M: -7.09%
• YTD: -22.12%
• 6M: -18.54%
• 1Y: 6.67%
• 3Y*: 15.61%
• 5Y*: 10.95%
• 10Y*: 2.62%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

PLPC vs. AYI — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

PLPC

PLPC Risk / Return Rank: 90
PLPC Sharpe Ratio Rank: 92
PLPC Sortino Ratio Rank: 89
PLPC Omega Ratio Rank: 86
PLPC Calmar Ratio Rank: 91
PLPC Martin Ratio Rank: 92

AYI

AYI Risk / Return Rank: 46
AYI Sharpe Ratio Rank: 49
AYI Sortino Ratio Rank: 42
AYI Omega Ratio Rank: 43
AYI Calmar Ratio Rank: 48
AYI Martin Ratio Rank: 50

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

PLPC vs. AYI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Preformed Line Products Company (PLPC) and Acuity Brands, Inc. (AYI). 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.

	PLPC	AYI	Difference
Sharpe ratio Return per unit of total volatility	2.16	0.19	+1.97
Sortino ratio Return per unit of downside risk	2.70	0.51	+2.19
Omega ratio Gain probability vs. loss probability	1.34	1.07	+0.27
Calmar ratio Return relative to maximum drawdown	4.06	0.23	+3.83
Martin ratio Return relative to average drawdown	12.18	0.66	+11.51
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PLPC vs. AYI - Sharpe Ratio Comparison

The current PLPC Sharpe Ratio is 2.16, which is higher than the AYI Sharpe Ratio of 0.19. The chart below compares the historical Sharpe Ratios of PLPC and AYI, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	PLPC	AYI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.16	0.19	+1.97
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.76	0.35	+0.42
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.55	0.07	+0.48
Sharpe Ratio (All Time) Calculated using the full available price history	0.28	0.37	-0.09

Correlation

The correlation between PLPC and AYI is 0.28, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

PLPC vs. AYI - Dividend Comparison

PLPC's dividend yield for the trailing twelve months is around 0.30%, more than AYI's 0.25% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PLPC Preformed Line Products Company	0.30%	0.39%	0.63%	0.60%	0.72%	1.24%	1.17%	1.33%	1.47%	1.13%	1.38%	1.90%
AYI Acuity Brands, Inc.	0.25%	0.19%	0.21%	0.25%	0.31%	0.25%	0.43%	0.38%	0.45%	0.30%	0.23%	0.22%

Drawdowns

PLPC vs. AYI - Drawdown Comparison

The maximum PLPC drawdown since its inception was -66.36%, smaller than the maximum AYI drawdown of -74.22%. Use the drawdown chart below to compare losses from any high point for PLPC and AYI.

Drawdown Indicators

	PLPC	AYI	Difference
Max Drawdown Largest peak-to-trough decline	-66.36%	-74.22%	+7.86%
Max Drawdown (1Y) Largest decline over 1 year	-22.33%	-31.52%	+9.19%
Max Drawdown (5Y) Largest decline over 5 years	-39.35%	-34.64%	-4.71%
Max Drawdown (10Y) Largest decline over 10 years	-59.49%	-74.22%	+14.73%
Current Drawdown Current decline from peak	-3.44%	-25.56%	+22.12%
Average Drawdown Average peak-to-trough decline	-24.98%	-23.16%	-1.82%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.44%	10.92%	-3.48%

Volatility

PLPC vs. AYI - Volatility Comparison

Preformed Line Products Company (PLPC) has a higher volatility of 15.11% compared to Acuity Brands, Inc. (AYI) at 10.92%. This indicates that PLPC's price experiences larger fluctuations and is considered to be riskier than AYI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PLPC	AYI	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.11%	10.92%	+4.19%
Volatility (6M) Calculated over the trailing 6-month period	34.65%	24.82%	+9.83%
Volatility (1Y) Calculated over the trailing 1-year period	43.84%	34.40%	+9.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	42.51%	31.51%	+11.00%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	43.61%	36.91%	+6.70%

Financials

PLPC vs. AYI - Profitability Comparison

The chart below illustrates the profitability comparison between Preformed Line Products Company and Acuity Brands, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

PLPC - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Preformed Line Products Company reported a gross profit of 51.62M and revenue of 173.11M. Therefore, the gross margin over that period was 29.8%.

AYI - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Acuity Brands, Inc. reported a gross profit of 553.80M and revenue of 1.14B. Therefore, the gross margin over that period was 48.4%.

PLPC - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Preformed Line Products Company reported an operating income of 11.75M and revenue of 173.11M, resulting in an operating margin of 6.8%.

AYI - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Acuity Brands, Inc. reported an operating income of 160.40M and revenue of 1.14B, resulting in an operating margin of 14.0%.

PLPC - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Preformed Line Products Company reported a net income of 8.44M and revenue of 173.11M, resulting in a net margin of 4.9%.

AYI - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Acuity Brands, Inc. reported a net income of 120.50M and revenue of 1.14B, resulting in a net margin of 10.5%.