WMS vs. TREX

Last updated Jun 9, 2026

WMS (Advanced Drainage Systems, Inc.) and TREX (Trex Company, Inc.) are both stocks. Both operate in the Building Products & Equipment industry within the Industrials sector. Over the past 10 years, WMS returned 18.64%/yr vs 14.76%/yr for TREX. A 0.52 correlation means they provide meaningful diversification when combined.

Performance

WMS vs. TREX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Advanced Drainage Systems, Inc. (WMS) and Trex Company, Inc. (TREX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, WMS achieves a -9.66% return, which is significantly lower than TREX's 19.87% return. Over the past 10 years, WMS has outperformed TREX with an annualized return of 18.64%, while TREX has yielded a comparatively lower 14.76% annualized return.

WMS

• 1D: 0.28%
• 1M: -8.73%
• YTD: -9.66%
• 6M: -11.87%
• 1Y: 14.17%
• 3Y*: 7.80%
• 5Y*: 4.26%
• 10Y*: 18.64%

TREX

• 1D: 6.05%
• 1M: 4.60%
• YTD: 19.87%
• 6M: 22.45%
• 1Y: -25.77%
• 3Y*: -10.07%
• 5Y*: -15.54%
• 10Y*: 14.76%

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

WMS vs. TREX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WMS Advanced Drainage Systems, Inc.	-9.66%	25.97%	-17.48%	72.44%	-39.53%	63.46%	116.70%	67.74%	2.78%	17.27%
TREX Trex Company, Inc.	19.87%	-49.18%	-16.62%	95.58%	-68.65%	61.29%	86.29%	51.42%	9.53%	68.31%

Correlation

The correlation between WMS and TREX is 0.68, 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	0.68
Correlation (3Y) Calculated over the trailing 3-year period	0.67
Correlation (5Y) Calculated over the trailing 5-year period	0.63
Correlation (10Y) Calculated over the trailing 10-year period	0.55
Correlation (All Time) Calculated using the full available price history since Jul 28, 2014	0.52

The correlation between WMS and TREX shifts across timeframes, from 0.52 (all time) to 0.68 (1 year), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap WMS : $10.24B TREX : $4.42B
EPS WMS : $5.45 TREX : $1.80
PE Ratio WMS : 23.97 TREX : 23.41
PEG Ratio WMS : 1.19 TREX : 64.36
PS Ratio WMS : 3.20 TREX : 3.80
Total Revenue (TTM) WMS : $3.19B TREX : $1.18B
Gross Profit (TTM) WMS : $1.27B TREX : $461.26M
EBITDA (TTM) WMS : $586.61M TREX : $308.51M

Return for Risk

WMS vs. TREX — Risk / Return Rank

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

WMS

WMS Risk / Return Rank: 54
WMS Sharpe Ratio Rank: 55
WMS Sortino Ratio Rank: 53
WMS Omega Ratio Rank: 49
WMS Calmar Ratio Rank: 55
WMS Martin Ratio Rank: 56

TREX

TREX Risk / Return Rank: 24
TREX Sharpe Ratio Rank: 20
TREX Sortino Ratio Rank: 23
TREX Omega Ratio Rank: 21
TREX Calmar Ratio Rank: 26
TREX Martin Ratio Rank: 29

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.

WMS vs. TREX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Advanced Drainage Systems, Inc. (WMS) and Trex Company, Inc. (TREX). 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.

	WMS	TREX	Difference
Sharpe ratio: Return per unit of total volatility	0.37	-0.52	+0.88
Sortino ratio: Return per unit of downside risk	0.89	-0.40	+1.29
Omega ratio: Gain probability vs. loss probability	1.10	0.94	+0.16
Calmar ratio: Return relative to maximum drawdown	0.56	-0.46	+1.02
Martin ratio: Return relative to average drawdown	1.34	-0.73	+2.08
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WMS vs. TREX - Sharpe Ratio Comparison

The current WMS Sharpe Ratio is 0.37, which is higher than the TREX Sharpe Ratio of -0.52. The chart below compares the historical Sharpe Ratios of WMS and TREX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	WMS	TREX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.37	-0.52	+0.88
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.10	-0.33	+0.43
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.45	0.32	+0.13
Sharpe Ratio (All Time) Calculated using the full available price history	0.50	0.25	+0.25

Drawdowns

WMS vs. TREX - Drawdown Comparison

The maximum WMS drawdown since its inception was -53.58%, smaller than the maximum TREX drawdown of -90.53%. Use the drawdown chart below to compare losses from any high point for WMS and TREX.

Drawdown Indicators

	WMS	TREX	Difference
Max Drawdown Largest peak-to-trough decline	-53.58%	-90.53%	+36.95%
Max Drawdown (1Y) Largest decline over 1 year	-25.60%	-56.01%	+30.41%
Max Drawdown (3Y) Largest decline over 3 years	-45.75%	-69.90%	+24.15%
Max Drawdown (5Y) Largest decline over 5 years	-50.12%	-78.58%	+28.46%
Max Drawdown (10Y) Largest decline over 10 years	-53.58%	-78.58%	+25.00%
Current Drawdown Current decline from peak	-26.37%	-70.11%	+43.74%
Average Drawdown Average peak-to-trough decline	-17.90%	-38.75%	+20.85%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.56%	35.32%	-24.76%

Volatility

WMS vs. TREX - Volatility Comparison

The current volatility for Advanced Drainage Systems, Inc. (WMS) is 8.93%, while Trex Company, Inc. (TREX) has a volatility of 13.04%. This indicates that WMS experiences smaller price fluctuations and is considered to be less risky than TREX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WMS	TREX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.93%	13.04%	-4.11%
Volatility (6M) Calculated over the trailing 6-month period	25.53%	26.51%	-0.98%
Volatility (1Y) Calculated over the trailing 1-year period	38.90%	50.31%	-11.41%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	42.01%	47.13%	-5.12%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	41.57%	46.37%	-4.80%

Dividends

WMS vs. TREX - Dividend Comparison

WMS's dividend yield for the trailing twelve months is around 0.57%, while TREX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
TREX Trex Company, 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%
WMS Advanced Drainage Systems, Inc.	0.57%	0.48%	0.54%	0.38%	0.57%	0.31%	0.43%	3.48%	1.28%	1.13%	1.12%	0.79%

Financials

WMS vs. TREX - Profitability Comparison

The chart below illustrates the profitability comparison between Advanced Drainage Systems, Inc. and Trex Company, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

WMS - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Advanced Drainage Systems, Inc. reported a gross profit of 354.44M and revenue of 816.10M. Therefore, the gross margin over that period was 43.4%.

TREX - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Trex Company, Inc. reported a gross profit of 139.02M and revenue of 343.40M. Therefore, the gross margin over that period was 40.5%.

WMS - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Advanced Drainage Systems, Inc. reported an operating income of 53.25M and revenue of 816.10M, resulting in an operating margin of 6.5%.

TREX - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Trex Company, Inc. reported an operating income of 83.51M and revenue of 343.40M, resulting in an operating margin of 24.3%.

WMS - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Advanced Drainage Systems, Inc. reported a net income of 32.90M and revenue of 816.10M, resulting in a net margin of 4.0%.

TREX - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Trex Company, Inc. reported a net income of 61.40M and revenue of 343.40M, resulting in a net margin of 17.9%.

Frequently Asked Questions

Can I hold both WMS and TREX in my portfolio?

WMS and TREX have a correlation of 0.68, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, WMS or TREX?

TREX has higher volatility (13.04%) compared to WMS (8.93%). In terms of maximum drawdown, WMS dropped -53.58% vs TREX's -90.53%.

Which has better risk-adjusted returns?

WMS currently has the higher Sharpe Ratio (0.37 vs -0.52), 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.