WBC.AX vs. PWR

Last updated Jun 5, 2026

WBC.AX (Westpac Banking Corporation) and PWR (Quanta Services, Inc.) are both stocks. WBC.AX operates in Banks - Diversified (Financial Services), while PWR operates in Engineering & Construction (Industrials). Over the past 10 years, WBC.AX returned 7.00%/yr vs 41.02%/yr for PWR. At a 0.04 correlation, their price movements are largely independent.

Performance

WBC.AX vs. PWR - Performance Comparison

The chart below illustrates the hypothetical performance of a A$10,000 investment in Westpac Banking Corporation (WBC.AX) and Quanta Services, Inc. (PWR). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

WBC.AX is traded in AUD, while PWR is traded in USD. To make them comparable, the PWR values have been converted to AUD using the latest available exchange rates.

Returns By Period

In the year-to-date period, WBC.AX achieves a -6.88% return, which is significantly lower than PWR's 56.03% return. Over the past 10 years, WBC.AX has underperformed PWR with an annualized return of 7.00%, while PWR has yielded a comparatively higher 41.02% annualized return.

WBC.AX

• 1D: -1.70%
• 1M: -7.70%
• YTD: -6.88%
• 6M: -5.64%
• 1Y: 10.18%
• 3Y*: 25.54%
• 5Y*: 11.32%
• 10Y*: 7.00%

PWR

• 1D: -2.16%
• 1M: -9.07%
• YTD: 56.03%
• 6M: 42.24%
• 1Y: 78.58%
• 3Y*: 53.78%
• 5Y*: 52.57%
• 10Y*: 41.02%

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

WBC.AX vs. PWR - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WBC.AX Westpac Banking Corporation	-6.88%	24.74%	49.36%	4.83%	15.26%	15.75%	-18.71%	3.24%	-14.67%	1.94%
PWR Quanta Services, Inc.	56.03%	23.99%	61.35%	51.82%	32.87%	68.85%	62.13%	36.47%	-14.67%	3.68%

Correlation

The correlation between WBC.AX and PWR is 0.02, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.02
Correlation (3Y) Calculated over the trailing 3-year period	0.00
Correlation (5Y) Calculated over the trailing 5-year period	-0.00
Correlation (10Y) Calculated over the trailing 10-year period	0.04
Correlation (All Time) Calculated using the full available price history since Jul 4, 2007	0.04

Return for Risk

WBC.AX vs. PWR — Risk / Return Rank

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

WBC.AX

WBC.AX Risk / Return Rank: 55
WBC.AX Sharpe Ratio Rank: 58
WBC.AX Sortino Ratio Rank: 51
WBC.AX Omega Ratio Rank: 48
WBC.AX Calmar Ratio Rank: 56
WBC.AX Martin Ratio Rank: 60

PWR

PWR Risk / Return Rank: 93
PWR Sharpe Ratio Rank: 92
PWR Sortino Ratio Rank: 91
PWR Omega Ratio Rank: 90
PWR Calmar Ratio Rank: 95
PWR Martin Ratio Rank: 94

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.

WBC.AX vs. PWR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Westpac Banking Corporation (WBC.AX) and Quanta Services, Inc. (PWR). 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.

	WBC.AX	PWR	Difference
Sharpe ratio: Return per unit of total volatility	0.50	2.30	-1.81
Sortino ratio: Return per unit of downside risk	0.84	3.05	-2.21
Omega ratio: Gain probability vs. loss probability	1.10	1.40	-0.30
Calmar ratio: Return relative to maximum drawdown	0.65	6.05	-5.40
Martin ratio: Return relative to average drawdown	1.92	15.46	-13.54
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WBC.AX vs. PWR - Sharpe Ratio Comparison

The current WBC.AX Sharpe Ratio is 0.50, which is lower than the PWR Sharpe Ratio of 2.30. The chart below compares the historical Sharpe Ratios of WBC.AX and PWR, 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

	WBC.AX	PWR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.50	2.30	-1.81
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.57	1.56	-0.98
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.31	1.28	-0.98
Sharpe Ratio (All Time) Calculated using the full available price history	0.58	0.54	+0.04

Drawdowns

WBC.AX vs. PWR - Drawdown Comparison

The maximum WBC.AX drawdown since its inception was -51.74%, smaller than the maximum PWR drawdown of -61.68%. Use the drawdown chart below to compare losses from any high point for WBC.AX and PWR.

Drawdown Indicators

	WBC.AX	PWR	Difference
Max Drawdown Largest peak-to-trough decline	-51.74%	-61.68%	+9.94%
Max Drawdown (1Y) Largest decline over 1 year	-16.31%	-13.06%	-3.25%
Max Drawdown (3Y) Largest decline over 3 years	-16.31%	-33.94%	+17.63%
Max Drawdown (5Y) Largest decline over 5 years	-25.00%	-33.94%	+8.94%
Max Drawdown (10Y) Largest decline over 10 years	-51.74%	-35.62%	-16.12%
Current Drawdown Current decline from peak	-16.31%	-9.07%	-7.24%
Average Drawdown Average peak-to-trough decline	-9.84%	-17.84%	+8.00%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.55%	5.10%	+0.45%

Volatility

WBC.AX vs. PWR - Volatility Comparison

The current volatility for Westpac Banking Corporation (WBC.AX) is 6.61%, while Quanta Services, Inc. (PWR) has a volatility of 11.60%. This indicates that WBC.AX experiences smaller price fluctuations and is considered to be less risky than PWR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WBC.AX	PWR	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.61%	11.60%	-4.99%
Volatility (6M) Calculated over the trailing 6-month period	15.00%	27.61%	-12.61%
Volatility (1Y) Calculated over the trailing 1-year period	21.33%	34.29%	-12.96%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.79%	33.95%	-14.16%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.83%	32.07%	-9.24%

Dividends

WBC.AX vs. PWR - Dividend Comparison

WBC.AX's dividend yield for the trailing twelve months is around 4.37%, more than PWR's 0.06% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PWR Quanta Services, Inc.	0.06%	0.09%	0.09%	0.15%	0.25%	0.16%	0.29%	0.42%	0.13%	0.00%	0.00%	0.00%
WBC.AX Westpac Banking Corporation	4.37%	3.96%	5.14%	6.20%	5.35%	5.53%	1.60%	7.18%	7.51%	6.00%	5.77%	5.55%

Financials

Frequently Asked Questions

Can I hold both WBC.AX and PWR in my portfolio?

WBC.AX and PWR have a correlation of 0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.