BWX vs. PSN

Last updated Jun 4, 2026

BWX (SPDR Bloomberg Barclays International Treasury Bond ETF) is International Government Bonds fund tracking the Bloomberg Global Treasury x US Capped (Inception 8/31/2007), while PSN (Parsons Corporation) is a stock. Over the past 5 years, BWX returned -4.48%/yr vs 8.06%/yr for PSN. At a 0.07 correlation, their price movements are largely independent.

Performance

BWX vs. PSN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPDR Bloomberg Barclays International Treasury Bond ETF (BWX) and Parsons Corporation (PSN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BWX achieves a -1.91% return, which is significantly higher than PSN's -2.99% return.

BWX

• 1D: -0.59%
• 1M: -0.88%
• YTD: -1.91%
• 6M: -1.77%
• 1Y: -2.28%
• 3Y*: 1.18%
• 5Y*: -4.48%
• 10Y*: -1.28%

PSN

• 1D: -1.46%
• 1M: 19.85%
• YTD: -2.99%
• 6M: -27.68%
• 1Y: -11.50%
• 3Y*: 9.25%
• 5Y*: 8.06%
• 10Y*: —

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

BWX vs. PSN - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
BWX SPDR Bloomberg Barclays International Treasury Bond ETF	-1.91%	7.67%	-5.93%	5.10%	-19.72%	-8.67%	9.50%	4.68%
PSN Parsons Corporation	-2.99%	-33.01%	47.11%	35.59%	37.44%	-7.58%	-11.80%	37.28%

Correlation

The correlation between BWX and PSN is 0.22, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.22
Correlation (3Y) Calculated over the trailing 3-year period	0.10
Correlation (5Y) Calculated over the trailing 5-year period	0.10
Correlation (All Time) Calculated using the full available price history since May 9, 2019	0.07

The correlation between BWX and PSN shifts across timeframes, from 0.07 (all time) to 0.22 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

BWX vs. PSN — Risk / Return Rank

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

BWX

BWX Risk / Return Rank: 5
BWX Sharpe Ratio Rank: 6
BWX Sortino Ratio Rank: 5
BWX Omega Ratio Rank: 5
BWX Calmar Ratio Rank: 5
BWX Martin Ratio Rank: 5

PSN

PSN Risk / Return Rank: 30
PSN Sharpe Ratio Rank: 29
PSN Sortino Ratio Rank: 29
PSN Omega Ratio Rank: 28
PSN Calmar Ratio Rank: 32
PSN Martin Ratio Rank: 32

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.

BWX vs. PSN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR Bloomberg Barclays International Treasury Bond ETF (BWX) and Parsons Corporation (PSN). 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.

	BWX	PSN	Difference
Sharpe ratio: Return per unit of total volatility	-0.30	-0.27	-0.03
Sortino ratio: Return per unit of downside risk	-0.38	-0.08	-0.30
Omega ratio: Gain probability vs. loss probability	0.96	0.99	-0.03
Calmar ratio: Return relative to maximum drawdown	-0.37	-0.25	-0.12
Martin ratio: Return relative to average drawdown	-0.76	-0.49	-0.27
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BWX vs. PSN - Sharpe Ratio Comparison

The current BWX Sharpe Ratio is -0.30, which is comparable to the PSN Sharpe Ratio of -0.27. The chart below compares the historical Sharpe Ratios of BWX and PSN, 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

	BWX	PSN	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.30	-0.27	-0.03
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.47	0.24	-0.71
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.15	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.05	0.29	-0.24

Drawdowns

BWX vs. PSN - Drawdown Comparison

The maximum BWX drawdown since its inception was -34.05%, smaller than the maximum PSN drawdown of -56.99%. Use the drawdown chart below to compare losses from any high point for BWX and PSN.

Drawdown Indicators

	BWX	PSN	Difference
Max Drawdown Largest peak-to-trough decline	-34.05%	-56.99%	+22.94%
Max Drawdown (1Y) Largest decline over 1 year	-6.16%	-45.41%	+39.25%
Max Drawdown (3Y) Largest decline over 3 years	-10.22%	-56.99%	+46.77%
Max Drawdown (5Y) Largest decline over 5 years	-31.25%	-56.99%	+25.74%
Max Drawdown (10Y) Largest decline over 10 years	-34.05%	—	—
Current Drawdown Current decline from peak	-23.98%	-47.09%	+23.11%
Average Drawdown Average peak-to-trough decline	-10.05%	-16.62%	+6.57%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.00%	23.63%	-20.63%

Volatility

BWX vs. PSN - Volatility Comparison

The current volatility for SPDR Bloomberg Barclays International Treasury Bond ETF (BWX) is 2.41%, while Parsons Corporation (PSN) has a volatility of 13.31%. This indicates that BWX experiences smaller price fluctuations and is considered to be less risky than PSN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BWX	PSN	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.41%	13.31%	-10.90%
Volatility (6M) Calculated over the trailing 6-month period	5.79%	39.31%	-33.52%
Volatility (1Y) Calculated over the trailing 1-year period	7.70%	43.41%	-35.71%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	9.69%	33.38%	-23.69%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	8.66%	34.97%	-26.31%

Dividends

BWX vs. PSN - Dividend Comparison

BWX's dividend yield for the trailing twelve months is around 2.37%, while PSN has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
BWX SPDR Bloomberg Barclays International Treasury Bond ETF	2.37%	2.19%	1.99%	1.63%	1.23%	0.93%	0.95%	1.16%	1.07%	0.46%
PSN Parsons Corporation	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both BWX and PSN in my portfolio?

BWX and PSN have a correlation of 0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BWX or PSN?

PSN has higher volatility (13.31%) compared to BWX (2.41%). In terms of maximum drawdown, BWX dropped -34.05% vs PSN's -56.99%.

Which has better risk-adjusted returns?

PSN currently has the higher Sharpe Ratio (-0.27 vs -0.30), 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.