PTSIX vs. SWISX

Last updated Jun 24, 2026

PTSIX (PIMCO RAE PLUS International Fund) and SWISX (Schwab International Index Fund) are both Foreign Large Cap Equities funds. Over the past 10 years, PTSIX returned 10.36%/yr vs 10.17%/yr for SWISX. A 0.71 correlation means they provide meaningful diversification when combined. PTSIX charges 0.82%/yr vs 0.06%/yr for SWISX.

Performance

PTSIX vs. SWISX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIMCO RAE PLUS International Fund (PTSIX) and Schwab International Index Fund (SWISX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PTSIX achieves a 11.46% return, which is significantly higher than SWISX's 10.79% return. Both investments have delivered pretty close results over the past 10 years, with PTSIX having a 10.36% annualized return and SWISX not far behind at 10.17%.

PTSIX

• 1D: 0.00%
• 1M: -1.79%
• YTD: 11.46%
• 6M: 10.23%
• 1Y: 31.22%
• 3Y*: 19.20%
• 5Y*: 9.42%
• 10Y*: 10.36%

SWISX

• 1D: 0.19%
• 1M: 2.18%
• YTD: 10.79%
• 6M: 10.26%
• 1Y: 24.58%
• 3Y*: 17.53%
• 5Y*: 9.24%
• 10Y*: 10.17%

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

PTSIX vs. SWISX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PTSIX PIMCO RAE PLUS International Fund	11.46%	35.74%	2.54%	18.35%	-11.35%	10.70%	0.48%	18.29%	-16.33%	28.37%
SWISX Schwab International Index Fund	10.79%	31.59%	3.54%	18.13%	-14.30%	11.25%	8.14%	21.87%	-13.38%	25.32%

Correlation

The correlation between PTSIX and SWISX is 0.62, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.62
Correlation (3Y) Calculated over the trailing 3-year period	0.64
Correlation (5Y) Calculated over the trailing 5-year period	0.67
Correlation (10Y) Calculated over the trailing 10-year period	0.68
Correlation (All Time) Calculated using the full available price history since Oct 3, 2011	0.71

The correlation between PTSIX and SWISX has been stable across timeframes, ranging from 0.62 to 0.71 - a consistent structural relationship.

Return for Risk

PTSIX vs. SWISX — Risk / Return Rank

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

PTSIX

PTSIX Risk / Return Rank: 79
PTSIX Sharpe Ratio Rank: 87
PTSIX Sortino Ratio Rank: 84
PTSIX Omega Ratio Rank: 79
PTSIX Calmar Ratio Rank: 80
PTSIX Martin Ratio Rank: 64

SWISX

SWISX Risk / Return Rank: 38
SWISX Sharpe Ratio Rank: 38
SWISX Sortino Ratio Rank: 36
SWISX Omega Ratio Rank: 36
SWISX Calmar Ratio Rank: 39
SWISX Martin Ratio Rank: 42

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.

PTSIX vs. SWISX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO RAE PLUS International Fund (PTSIX) and Schwab International Index Fund (SWISX). 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.

	PTSIX	SWISX	Difference
Sharpe ratio: Return per unit of total volatility	2.65	1.64	+1.01
Sortino ratio: Return per unit of downside risk	3.69	2.33	+1.36
Omega ratio: Gain probability vs. loss probability	1.47	1.30	+0.17
Calmar ratio: Return relative to maximum drawdown	3.44	2.25	+1.18
Martin ratio: Return relative to average drawdown	11.86	8.43	+3.43

PTSIX vs. SWISX - Sharpe Ratio Comparison

The current PTSIX Sharpe Ratio is 2.65, which is higher than the SWISX Sharpe Ratio of 1.64. The chart below compares the historical Sharpe Ratios of PTSIX and SWISX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

PTSIX vs. SWISX - Drawdown Comparison

The maximum PTSIX drawdown since its inception was -46.94%, smaller than the maximum SWISX drawdown of -60.65%. Use the drawdown chart below to compare losses from any high point for PTSIX and SWISX.

Drawdown Indicators

	PTSIX	SWISX	Difference
Max Drawdown Largest peak-to-trough decline	-46.94%	-60.65%	+13.71%
Max Drawdown (1Y) Largest decline over 1 year	-9.12%	-11.39%	+2.27%
Max Drawdown (3Y) Largest decline over 3 years	-15.62%	-13.68%	-1.94%
Max Drawdown (5Y) Largest decline over 5 years	-29.41%	-29.42%	+0.01%
Max Drawdown (10Y) Largest decline over 10 years	-46.94%	-33.83%	-13.11%
Current Drawdown Current decline from peak	-4.01%	0.00%	-4.01%
Average Drawdown Average peak-to-trough decline	-9.45%	-14.78%	+5.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.63%	3.04%	-0.41%

Volatility

PTSIX vs. SWISX - Volatility Comparison

The current volatility for PIMCO RAE PLUS International Fund (PTSIX) is 3.07%, while Schwab International Index Fund (SWISX) has a volatility of 4.84%. This indicates that PTSIX experiences smaller price fluctuations and is considered to be less risky than SWISX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PTSIX	SWISX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.07%	4.84%	-1.77%
Volatility (6M) Calculated over the trailing 6-month period	9.22%	12.98%	-3.76%
Volatility (1Y) Calculated over the trailing 1-year period	11.85%	15.63%	-3.78%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.03%	16.37%	-1.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.11%	16.86%	-0.75%

PTSIX vs. SWISX - Expense Ratio Comparison

PTSIX has a 0.82% expense ratio, which is higher than SWISX's 0.06% expense ratio.

Dividends

PTSIX vs. SWISX - Dividend Comparison

PTSIX's dividend yield for the trailing twelve months is around 9.54%, more than SWISX's 3.20% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PTSIX PIMCO RAE PLUS International Fund	9.54%	3.62%	7.01%	3.18%	67.07%	223.75%	7.45%	3.49%	29.39%	7.86%	0.84%	3.54%
SWISX Schwab International Index Fund	3.20%	3.55%	3.29%	3.31%	2.73%	3.34%	1.88%	3.09%	3.15%	2.71%	3.19%	2.71%

Frequently Asked Questions

Can I hold both PTSIX and SWISX in my portfolio?

PTSIX and SWISX have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PTSIX or SWISX?

SWISX has higher volatility (4.84%) compared to PTSIX (3.07%). In terms of maximum drawdown, PTSIX dropped -46.94% vs SWISX's -60.65%.

Which has better risk-adjusted returns?

PTSIX currently has the higher Sharpe Ratio (2.65 vs 1.64), 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.