PWR vs. ANET

Last updated Jun 9, 2026

PWR (Quanta Services, Inc.) and ANET (Arista Networks, Inc.) are both stocks. PWR operates in Engineering & Construction (Industrials), while ANET operates in Computer Hardware (Technology). Over the past 10 years, PWR returned 40.58%/yr vs 42.38%/yr for ANET. At a 0.38 correlation, their price movements are largely independent.

Performance

PWR vs. ANET - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Quanta Services, Inc. (PWR) and Arista Networks, Inc. (ANET). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PWR achieves a 64.46% return, which is significantly higher than ANET's 19.36% return. Both investments have delivered pretty close results over the past 10 years, with PWR having a 40.58% annualized return and ANET not far ahead at 42.38%.

PWR

• 1D: -0.19%
• 1M: -6.87%
• YTD: 64.46%
• 6M: 49.89%
• 1Y: 92.19%
• 3Y*: 56.18%
• 5Y*: 49.77%
• 10Y*: 40.58%

ANET

• 1D: 1.38%
• 1M: 10.32%
• YTD: 19.36%
• 6M: 21.14%
• 1Y: 60.82%
• 3Y*: 56.72%
• 5Y*: 47.39%
• 10Y*: 42.38%

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

PWR vs. ANET - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PWR Quanta Services, Inc.	64.46%	33.70%	46.60%	51.70%	24.63%	59.50%	77.74%	35.84%	-22.93%	12.22%
ANET Arista Networks, Inc.	19.36%	18.55%	87.73%	94.07%	-15.58%	97.89%	42.86%	-3.46%	-10.56%	143.44%

Correlation

The correlation between PWR and ANET is 0.37, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.37
Correlation (3Y) Calculated over the trailing 3-year period	0.47
Correlation (5Y) Calculated over the trailing 5-year period	0.47
Correlation (10Y) Calculated over the trailing 10-year period	0.41
Correlation (All Time) Calculated using the full available price history since Jun 6, 2014	0.38

Fundamentals

Market Cap PWR : $105.52B ANET : $199.22B
EPS PWR : $7.29 ANET : $2.92
PE Ratio PWR : 95.17 ANET : 53.57
PEG Ratio PWR : 4.72 ANET : 1.26
PS Ratio PWR : 3.51 ANET : 20.53
PB Ratio PWR : 11.67 ANET : 14.77
Total Revenue (TTM) PWR : $29.99B ANET : $9.71B
Gross Profit (TTM) PWR : $4.08B ANET : $6.17B
EBITDA (TTM) PWR : $2.40B ANET : $4.21B

Return for Risk

PWR vs. ANET — Risk / Return Rank

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

PWR

PWR Risk / Return Rank: 93
PWR Sharpe Ratio Rank: 93
PWR Sortino Ratio Rank: 91
PWR Omega Ratio Rank: 91
PWR Calmar Ratio Rank: 96
PWR Martin Ratio Rank: 95

ANET

ANET Risk / Return Rank: 74
ANET Sharpe Ratio Rank: 76
ANET Sortino Ratio Rank: 71
ANET Omega Ratio Rank: 70
ANET Calmar Ratio Rank: 77
ANET Martin Ratio Rank: 74

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.

PWR vs. ANET - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Quanta Services, Inc. (PWR) and Arista Networks, Inc. (ANET). 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.

	PWR	ANET	Difference
Sharpe ratio: Return per unit of total volatility	2.55	1.15	+1.41
Sortino ratio: Return per unit of downside risk	3.28	1.73	+1.54
Omega ratio: Gain probability vs. loss probability	1.43	1.22	+0.21
Calmar ratio: Return relative to maximum drawdown	7.45	2.16	+5.29
Martin ratio: Return relative to average drawdown	17.97	4.51	+13.45
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PWR vs. ANET - Sharpe Ratio Comparison

The current PWR Sharpe Ratio is 2.55, which is higher than the ANET Sharpe Ratio of 1.15. The chart below compares the historical Sharpe Ratios of PWR and ANET, 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

	PWR	ANET	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.55	1.15	+1.41
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.41	1.01	+0.40
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.21	0.95	+0.26
Sharpe Ratio (All Time) Calculated using the full available price history	0.35	0.83	-0.47

Drawdowns

PWR vs. ANET - Drawdown Comparison

The maximum PWR drawdown since its inception was -97.07%, which is greater than ANET's maximum drawdown of -52.20%. Use the drawdown chart below to compare losses from any high point for PWR and ANET.

Drawdown Indicators

	PWR	ANET	Difference
Max Drawdown Largest peak-to-trough decline	-97.07%	-52.20%	-44.87%
Max Drawdown (1Y) Largest decline over 1 year	-12.45%	-28.33%	+15.88%
Max Drawdown (3Y) Largest decline over 3 years	-33.89%	-50.42%	+16.53%
Max Drawdown (5Y) Largest decline over 5 years	-33.89%	-50.42%	+16.53%
Max Drawdown (10Y) Largest decline over 10 years	-45.53%	-52.20%	+6.67%
Current Drawdown Current decline from peak	-11.64%	-12.00%	+0.36%
Average Drawdown Average peak-to-trough decline	-46.86%	-15.40%	-31.46%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.15%	13.53%	-8.38%

Volatility

PWR vs. ANET - Volatility Comparison

The current volatility for Quanta Services, Inc. (PWR) is 11.16%, while Arista Networks, Inc. (ANET) has a volatility of 16.83%. This indicates that PWR experiences smaller price fluctuations and is considered to be less risky than ANET based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PWR	ANET	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.16%	16.83%	-5.67%
Volatility (6M) Calculated over the trailing 6-month period	29.60%	40.41%	-10.81%
Volatility (1Y) Calculated over the trailing 1-year period	36.37%	53.48%	-17.11%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	35.62%	47.20%	-11.58%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	33.70%	44.99%	-11.29%

Dividends

PWR vs. ANET - Dividend Comparison

PWR's dividend yield for the trailing twelve months is around 0.06%, while ANET has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
ANET Arista Networks, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
PWR Quanta Services, Inc.	0.06%	0.09%	0.09%	0.15%	0.25%	0.16%	0.29%	0.42%	0.13%

Financials

PWR vs. ANET - Profitability Comparison

The chart below illustrates the profitability comparison between Quanta Services, Inc. and Arista Networks, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

PWR - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Quanta Services, Inc. reported a gross profit of 1.11B and revenue of 7.87B. Therefore, the gross margin over that period was 14.1%.

ANET - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Arista Networks, Inc. reported a gross profit of 1.68B and revenue of 2.71B. Therefore, the gross margin over that period was 61.9%.

PWR - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Quanta Services, Inc. reported an operating income of 338.78M and revenue of 7.87B, resulting in an operating margin of 4.3%.

ANET - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Arista Networks, Inc. reported an operating income of 1.16B and revenue of 2.71B, resulting in an operating margin of 42.7%.

PWR - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Quanta Services, Inc. reported a net income of 220.63M and revenue of 7.87B, resulting in a net margin of 2.8%.

ANET - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Arista Networks, Inc. reported a net income of 1.02B and revenue of 2.71B, resulting in a net margin of 37.8%.

Frequently Asked Questions

Can I hold both PWR and ANET in my portfolio?

PWR and ANET have a correlation of 0.37, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PWR or ANET?

ANET has higher volatility (16.83%) compared to PWR (11.16%). In terms of maximum drawdown, PWR dropped -97.07% vs ANET's -52.20%.

Which has better risk-adjusted returns?

PWR currently has the higher Sharpe Ratio (2.55 vs 1.15), 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.