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BWXT vs. PBP
Performance
Return for Risk
Drawdowns
Volatility
Dividends

BWXT vs. PBP

Last updated Jun 13, 2026

BWXT (BWX Technologies, Inc.) is a stock, while PBP (Invesco S&P 500 BuyWrite ETF) is Derivative Income fund tracking the Cboe S&P 500 BuyWrite Index. Over the past 10 years, BWXT returned 20.03%/yr vs 7.09%/yr for PBP. At a 0.43 correlation, their price movements are largely independent.

Performance

BWXT vs. PBP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BWX Technologies, Inc. (BWXT) and Invesco S&P 500 BuyWrite ETF (PBP). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, BWXT achieves a 12.23% return, which is significantly higher than PBP's 4.48% return. Over the past 10 years, BWXT has outperformed PBP with an annualized return of 20.03%, while PBP has yielded a comparatively lower 7.09% annualized return.

BWXT

1D
-0.63%
1M
-6.34%
YTD
12.23%
6M
10.82%
1Y
41.19%
3Y*
43.24%
5Y*
26.18%
10Y*
20.03%

PBP

1D
0.49%
1M
0.91%
YTD
4.48%
6M
5.65%
1Y
16.94%
3Y*
11.30%
5Y*
7.94%
10Y*
7.09%
*Multi-year figures are annualized to reflect compound growth (CAGR)

BWXT vs. PBP - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
BWXT
BWX Technologies, Inc.		12.23%56.37%46.53%33.87%23.30%-19.40%-1.54%64.48%-36.10%53.59%
PBP
Invesco S&P 500 BuyWrite ETF		4.48%8.49%19.83%11.59%-11.82%19.97%-3.31%14.60%-5.57%11.98%

Correlation

The correlation between BWXT and PBP is 0.36, which is low. Their price movements are largely independent, making them effective diversification partners.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.36

Correlation (3Y)
Calculated over the trailing 3-year period

0.36

Correlation (5Y)
Calculated over the trailing 5-year period

0.37

Correlation (10Y)
Calculated over the trailing 10-year period

0.39

Correlation (All Time)
Calculated using the full available price history since Aug 2, 2010

0.43

Compare stocks, funds, or ETFs

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BWX Technologies, Inc.

Invesco S&P 500 BuyWrite ETF

Often compared with BWXT:
BWXT vs. SMRBWXT vs. OKLOBWXT vs. CCO.TOBWXT vs. CWBWXT vs. NOCBWXT vs. BYRNBWXT vs. TER
Often compared with PBP:
PBP vs. SPYPBP vs. XYLDPBP vs. JEPIPBP vs. VOOPBP vs. SCHDPBP vs. FTHIPBP vs. JEPQ

Return for Risk

BWXT vs. PBP — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
BWXT
BWXT Risk / Return Rank: 7171
Overall Rank
BWXT Sharpe Ratio Rank: 7272
Sharpe Ratio Rank
BWXT Sortino Ratio Rank: 6868
Sortino Ratio Rank
BWXT Omega Ratio Rank: 6868
Omega Ratio Rank
BWXT Calmar Ratio Rank: 7474
Calmar Ratio Rank
BWXT Martin Ratio Rank: 7373
Martin Ratio Rank
PBP
PBP Risk / Return Rank: 8585
Overall Rank
PBP Sharpe Ratio Rank: 8585
Sharpe Ratio Rank
PBP Sortino Ratio Rank: 8787
Sortino Ratio Rank
PBP Omega Ratio Rank: 9191
Omega Ratio Rank
PBP Calmar Ratio Rank: 7373
Calmar Ratio Rank
PBP Martin Ratio Rank: 8888
Martin Ratio Rank
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.

BWXT vs. PBP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BWX Technologies, Inc. (BWXT) and Invesco S&P 500 BuyWrite ETF (PBP). 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.

BWXTPBPDifference
Sharpe ratioReturn per unit of total volatility
0.92
2.40

-1.48

Sortino ratioReturn per unit of downside risk
1.51
3.44

-1.93

Omega ratioGain probability vs. loss probability

1.20

1.52

-0.32

Calmar ratioReturn relative to maximum drawdown

1.79

3.26

-1.47

Martin ratioReturn relative to average drawdown

4.04

16.95

-12.90

BWXT vs. PBP - Sharpe Ratio Comparison

The current BWXT Sharpe Ratio is 0.92, which is lower than the PBP Sharpe Ratio of 2.40. The chart below compares the historical Sharpe Ratios of BWXT and PBP, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Drawdowns

BWXT vs. PBP - Drawdown Comparison

The maximum BWXT drawdown since its inception was -47.88%, which is greater than PBP's maximum drawdown of -43.43%. Use the drawdown chart below to compare losses from any high point for BWXT and PBP.

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Drawdown Indicators

BWXTPBPDifference

Max Drawdown

Largest peak-to-trough decline

-47.88%

-43.43%

-4.45%

Max Drawdown (1Y)

Largest decline over 1 year

-23.14%

-5.22%

-17.92%

Max Drawdown (3Y)

Largest decline over 3 years

-32.87%

-15.42%

-17.45%

Max Drawdown (5Y)

Largest decline over 5 years

-32.92%

-18.61%

-14.31%

Max Drawdown (10Y)

Largest decline over 10 years

-47.74%

-33.31%

-14.43%

Current Drawdown

Current decline from peak

-18.75%

-0.57%

-18.18%

Average Drawdown

Average peak-to-trough decline

-13.17%

-6.68%

-6.49%

Ulcer Index

Depth and duration of drawdowns from previous peaks

10.22%

1.00%

+9.22%

Volatility

BWXT vs. PBP - Volatility Comparison

BWX Technologies, Inc. (BWXT) has a higher volatility of 11.22% compared to Invesco S&P 500 BuyWrite ETF (PBP) at 2.14%. This indicates that BWXT's price experiences larger fluctuations and is considered to be riskier than PBP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

BWXTPBPDifference

Volatility (1M)

Calculated over the trailing 1-month period

11.22%

2.14%

+9.08%

Volatility (6M)

Calculated over the trailing 6-month period

34.21%

5.84%

+28.37%

Volatility (1Y)

Calculated over the trailing 1-year period

45.12%

7.10%

+38.02%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

33.05%

11.88%

+21.17%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

30.83%

13.67%

+17.16%

Dividends

BWXT vs. PBP - Dividend Comparison

BWXT's dividend yield for the trailing twelve months is around 0.54%, less than PBP's 11.20% yield.

PositionTTM20252024202320222021202020192018201720162015
BWXT
BWX Technologies, Inc.		0.54%0.58%0.86%1.20%1.52%1.75%1.26%1.10%1.67%0.69%0.91%30.37%
PBP
Invesco S&P 500 BuyWrite ETF		11.20%11.12%9.36%3.35%1.33%6.21%1.41%5.04%2.59%10.86%2.56%6.19%

Frequently Asked Questions

BWXT and PBP have a correlation of 0.36, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

BWXT has higher volatility (11.22%) compared to PBP (2.14%). In terms of maximum drawdown, BWXT dropped -47.88% vs PBP's -43.43%.

PBP currently has the higher Sharpe Ratio (2.40 vs 0.92), 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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