MFSI vs. PATN

Last updated Jun 4, 2026

MFSI (MFS Active International ETF) and PATN (Pacer Nasdaq International Patent Leaders ETF) are both Foreign Large Cap Equities funds. MFSI is actively managed, while PATN is passively managed. Over the past year, MFSI returned 17.49% vs 73.16% for PATN. Their correlation of 0.87 suggests significant overlap in exposure. MFSI charges 0.59%/yr vs 0.65%/yr for PATN.

Performance

MFSI vs. PATN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Active International ETF (MFSI) and Pacer Nasdaq International Patent Leaders ETF (PATN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MFSI achieves a 6.73% return, which is significantly lower than PATN's 40.52% return.

MFSI

• 1D: -1.16%
• 1M: 5.04%
• YTD: 6.73%
• 6M: 9.01%
• 1Y: 17.49%
• 3Y*: —
• 5Y*: —
• 10Y*: —

PATN

• 1D: -0.39%
• 1M: 16.77%
• YTD: 40.52%
• 6M: 44.04%
• 1Y: 73.16%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MFSI vs. PATN - Yearly Performance Comparison

	2026 (YTD)	2025	2024
MFSI MFS Active International ETF	6.73%	26.43%	-4.21%
PATN Pacer Nasdaq International Patent Leaders ETF	40.52%	40.01%	-1.95%

Correlation

The correlation between MFSI and PATN is 0.86, 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	0.86
Correlation (All Time) Calculated using the full available price history since Dec 6, 2024	0.87

The correlation between MFSI and PATN has been stable across timeframes, ranging from 0.86 to 0.87 - a consistent structural relationship.

Return for Risk

MFSI vs. PATN — Risk / Return Rank

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

MFSI

MFSI Risk / Return Rank: 34
MFSI Sharpe Ratio Rank: 34
MFSI Sortino Ratio Rank: 33
MFSI Omega Ratio Rank: 33
MFSI Calmar Ratio Rank: 33
MFSI Martin Ratio Rank: 38

PATN

PATN Risk / Return Rank: 91
PATN Sharpe Ratio Rank: 93
PATN Sortino Ratio Rank: 91
PATN Omega Ratio Rank: 91
PATN Calmar Ratio Rank: 88
PATN Martin Ratio Rank: 90

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.

MFSI vs. PATN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Active International ETF (MFSI) and Pacer Nasdaq International Patent Leaders ETF (PATN). 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.

	MFSI	PATN	Difference
Sharpe ratio: Return per unit of total volatility	1.20	3.47	-2.27
Sortino ratio: Return per unit of downside risk	1.74	4.35	-2.61
Omega ratio: Gain probability vs. loss probability	1.22	1.60	-0.39
Calmar ratio: Return relative to maximum drawdown	1.57	5.11	-3.54
Martin ratio: Return relative to average drawdown	5.89	20.70	-14.82
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MFSI vs. PATN - Sharpe Ratio Comparison

The current MFSI Sharpe Ratio is 1.20, which is lower than the PATN Sharpe Ratio of 3.47. The chart below compares the historical Sharpe Ratios of MFSI and PATN, 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

	MFSI	PATN	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.20	3.47	-2.27
Sharpe Ratio (All Time) Calculated using the full available price history	1.17	2.28	-1.11

Drawdowns

MFSI vs. PATN - Drawdown Comparison

The maximum MFSI drawdown since its inception was -13.67%, smaller than the maximum PATN drawdown of -16.77%. Use the drawdown chart below to compare losses from any high point for MFSI and PATN.

Drawdown Indicators

	MFSI	PATN	Difference
Max Drawdown Largest peak-to-trough decline	-13.67%	-16.77%	+3.10%
Max Drawdown (1Y) Largest decline over 1 year	-11.17%	-14.40%	+3.23%
Current Drawdown Current decline from peak	-1.16%	-0.39%	-0.77%
Average Drawdown Average peak-to-trough decline	-1.97%	-3.15%	+1.18%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.98%	3.55%	-0.57%

Volatility

MFSI vs. PATN - Volatility Comparison

The current volatility for MFS Active International ETF (MFSI) is 4.72%, while Pacer Nasdaq International Patent Leaders ETF (PATN) has a volatility of 8.84%. This indicates that MFSI experiences smaller price fluctuations and is considered to be less risky than PATN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MFSI	PATN	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.72%	8.84%	-4.12%
Volatility (6M) Calculated over the trailing 6-month period	12.16%	18.16%	-6.00%
Volatility (1Y) Calculated over the trailing 1-year period	14.62%	21.18%	-6.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.32%	20.85%	-4.53%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.32%	20.85%	-4.53%

MFSI vs. PATN - Expense Ratio Comparison

MFSI has a 0.59% expense ratio, which is lower than PATN's 0.65% expense ratio.

Dividends

MFSI vs. PATN - Dividend Comparison

MFSI's dividend yield for the trailing twelve months is around 0.76%, less than PATN's 1.60% yield.

Position	TTM	2025	2024
MFSI MFS Active International ETF	0.76%	0.81%	0.00%
PATN Pacer Nasdaq International Patent Leaders ETF	1.60%	2.25%	0.30%

Frequently Asked Questions

Can I hold both MFSI and PATN in my portfolio?

MFSI and PATN have a correlation of 0.86, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MFSI or PATN?

PATN has higher volatility (8.84%) compared to MFSI (4.72%). In terms of maximum drawdown, MFSI dropped -13.67% vs PATN's -16.77%.

Which ETF is better, MFSI or PATN?

On 1-year performance, PATN leads with 73.16% vs 17.49% for MFSI. On fees, MFSI is cheaper at 0.59% per year. On volatility, MFSI has been the lower-risk option at 4.72%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MFSI or PATN?

Over the 1-year period, PATN has performed better with a 73.16% return vs 17.49%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MFSI or PATN?

MFSI is cheaper with a 0.59% expense ratio, compared with 0.65% for PATN.

Which ETF pays a higher dividend yield, MFSI or PATN?

PATN has the higher dividend yield at 1.60%, compared with 0.76% for MFSI.

What is the main difference between MFSI and PATN?

They also come from different issuers: MFS and Pacer. Their fees differ too: 0.59% for MFSI and 0.65% for PATN.

Which has better risk-adjusted returns?

PATN currently has the higher Sharpe Ratio (3.47 vs 1.20), 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.