MFSG vs. PBUS

Last updated Jun 4, 2026

MFSG (MFS Active Growth ETF) and PBUS (Invesco PureBeta MSCI USA ETF) are both Large Cap Growth Equities funds. MFSG is actively managed, while PBUS is passively managed. Over the past year, MFSG returned 21.54% vs 27.65% for PBUS. Their correlation of 0.91 suggests significant overlap in exposure. MFSG charges 0.49%/yr vs 0.04%/yr for PBUS.

Performance

MFSG vs. PBUS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Active Growth ETF (MFSG) and Invesco PureBeta MSCI USA ETF (PBUS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MFSG achieves a 7.55% return, which is significantly lower than PBUS's 10.82% return.

MFSG

• 1D: -0.94%
• 1M: 4.46%
• YTD: 7.55%
• 6M: 7.63%
• 1Y: 21.54%
• 3Y*: —
• 5Y*: —
• 10Y*: —

PBUS

• 1D: -0.64%
• 1M: 5.14%
• YTD: 10.82%
• 6M: 10.68%
• 1Y: 27.65%
• 3Y*: 22.61%
• 5Y*: 13.48%
• 10Y*: —

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

MFSG vs. PBUS - Yearly Performance Comparison

	2026 (YTD)	2025	2024
MFSG MFS Active Growth ETF	7.55%	14.51%	-2.74%
PBUS Invesco PureBeta MSCI USA ETF	10.82%	17.58%	-3.30%

Correlation

The correlation between MFSG and PBUS is 0.91, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.91
Correlation (All Time) Calculated using the full available price history since Dec 6, 2024	0.91

The correlation between MFSG and PBUS has been stable across timeframes, ranging from 0.91 to 0.91 - a consistent structural relationship.

Return for Risk

MFSG vs. PBUS — Risk / Return Rank

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

MFSG

MFSG Risk / Return Rank: 35
MFSG Sharpe Ratio Rank: 39
MFSG Sortino Ratio Rank: 37
MFSG Omega Ratio Rank: 37
MFSG Calmar Ratio Rank: 28
MFSG Martin Ratio Rank: 32

PBUS

PBUS Risk / Return Rank: 68
PBUS Sharpe Ratio Rank: 70
PBUS Sortino Ratio Rank: 68
PBUS Omega Ratio Rank: 69
PBUS Calmar Ratio Rank: 62
PBUS Martin Ratio Rank: 73

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.

MFSG vs. PBUS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Active Growth ETF (MFSG) and Invesco PureBeta MSCI USA ETF (PBUS). 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.

	MFSG	PBUS	Difference
Sharpe ratio: Return per unit of total volatility	1.35	2.30	-0.95
Sortino ratio: Return per unit of downside risk	1.90	3.15	-1.25
Omega ratio: Gain probability vs. loss probability	1.24	1.41	-0.17
Calmar ratio: Return relative to maximum drawdown	1.34	3.08	-1.74
Martin ratio: Return relative to average drawdown	4.66	13.93	-9.27
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MFSG vs. PBUS - Sharpe Ratio Comparison

The current MFSG Sharpe Ratio is 1.35, which is lower than the PBUS Sharpe Ratio of 2.30. The chart below compares the historical Sharpe Ratios of MFSG and PBUS, 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

	MFSG	PBUS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.35	2.30	-0.95
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.80	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.60	0.80	-0.20

Drawdowns

MFSG vs. PBUS - Drawdown Comparison

The maximum MFSG drawdown since its inception was -23.24%, smaller than the maximum PBUS drawdown of -33.15%. Use the drawdown chart below to compare losses from any high point for MFSG and PBUS.

Drawdown Indicators

	MFSG	PBUS	Difference
Max Drawdown Largest peak-to-trough decline	-23.24%	-33.15%	+9.91%
Max Drawdown (1Y) Largest decline over 1 year	-16.15%	-9.02%	-7.13%
Max Drawdown (3Y) Largest decline over 3 years	—	-19.07%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-25.40%	—
Current Drawdown Current decline from peak	-1.01%	-0.64%	-0.37%
Average Drawdown Average peak-to-trough decline	-4.67%	-5.13%	+0.46%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.63%	1.99%	+2.64%

Volatility

MFSG vs. PBUS - Volatility Comparison

MFS Active Growth ETF (MFSG) has a higher volatility of 3.71% compared to Invesco PureBeta MSCI USA ETF (PBUS) at 2.94%. This indicates that MFSG's price experiences larger fluctuations and is considered to be riskier than PBUS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MFSG	PBUS	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.71%	2.94%	+0.77%
Volatility (6M) Calculated over the trailing 6-month period	12.41%	9.13%	+3.28%
Volatility (1Y) Calculated over the trailing 1-year period	16.00%	12.06%	+3.94%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.69%	17.05%	+4.64%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.69%	19.33%	+2.36%

MFSG vs. PBUS - Expense Ratio Comparison

MFSG has a 0.49% expense ratio, which is higher than PBUS's 0.04% expense ratio.

Dividends

MFSG vs. PBUS - Dividend Comparison

MFSG's dividend yield for the trailing twelve months is around 0.07%, less than PBUS's 0.98% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
MFSG MFS Active Growth ETF	0.07%	0.08%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
PBUS Invesco PureBeta MSCI USA ETF	0.98%	1.05%	1.20%	1.36%	1.71%	0.98%	1.35%	1.53%	2.33%	0.50%

Frequently Asked Questions

Can I hold both MFSG and PBUS in my portfolio?

With a correlation of 0.91, MFSG and PBUS move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, MFSG or PBUS?

MFSG has higher volatility (3.71%) compared to PBUS (2.94%). In terms of maximum drawdown, MFSG dropped -23.24% vs PBUS's -33.15%.

Which ETF is better, MFSG or PBUS?

On 1-year performance, PBUS leads with 27.65% vs 21.54% for MFSG. On fees, PBUS is cheaper at 0.04% per year. On volatility, PBUS has been the lower-risk option at 2.94%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MFSG or PBUS?

Over the 1-year period, PBUS has performed better with a 27.65% return vs 21.54%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MFSG or PBUS?

PBUS is cheaper with a 0.04% expense ratio, compared with 0.49% for MFSG.

Which ETF pays a higher dividend yield, MFSG or PBUS?

PBUS has the higher dividend yield at 0.98%, compared with 0.07% for MFSG.

What is the main difference between MFSG and PBUS?

They also come from different issuers: MFS and Invesco. Their fees differ too: 0.49% for MFSG and 0.04% for PBUS.

Which has better risk-adjusted returns?

PBUS currently has the higher Sharpe Ratio (2.30 vs 1.35), 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.