VDVIX vs. FSKLX

Last updated Apr 1, 2026

Compare and contrast key facts about Vanguard Developed Markets Index Fund Investor Shares (VDVIX) and Fidelity SAI International Low Volatility Index Fund (FSKLX).

VDVIX is a passively managed fund by Vanguard that tracks the performance of the FTSE Developed All Cap ex US Index. It was launched on Dec 19, 2013. FSKLX is managed by Fidelity. It was launched on May 29, 2015.

Performance

VDVIX vs. FSKLX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Developed Markets Index Fund Investor Shares (VDVIX) and Fidelity SAI International Low Volatility Index Fund (FSKLX). The values are adjusted to include any dividend payments, if applicable.

VDVIX vs. FSKLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VDVIX Vanguard Developed Markets Index Fund Investor Shares	-0.51%	34.96%	2.95%	17.59%	-15.41%	11.31%	10.10%	21.95%	-14.59%	26.30%
FSKLX Fidelity SAI International Low Volatility Index Fund	3.34%	21.95%	1.20%	13.84%	-13.48%	9.91%	-1.57%	16.12%	-4.88%	21.40%

Returns By Period

In the year-to-date period, VDVIX achieves a -0.51% return, which is significantly lower than FSKLX's 3.34% return. Over the past 10 years, VDVIX has outperformed FSKLX with an annualized return of 8.89%, while FSKLX has yielded a comparatively lower 6.05% annualized return.

VDVIX

• 1D: 0.06%
• 1M: -11.65%
• YTD: -0.51%
• 6M: 5.14%
• 1Y: 25.77%
• 3Y*: 14.70%
• 5Y*: 8.03%
• 10Y*: 8.89%

FSKLX

• 1D: 0.68%
• 1M: -7.31%
• YTD: 3.34%
• 6M: 6.64%
• 1Y: 16.96%
• 3Y*: 11.27%
• 5Y*: 6.37%
• 10Y*: 6.05%

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

VDVIX vs. FSKLX - Expense Ratio Comparison

VDVIX has a 0.16% expense ratio, which is lower than FSKLX's 0.17% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

FSKLX

Fidelity SAI International Low Volatility Index Fund

VDVIX

Vanguard Developed Markets Index Fund Investor Shares

Return for Risk

VDVIX vs. FSKLX — Risk / Return Rank

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

VDVIX

VDVIX Risk / Return Rank: 80
VDVIX Sharpe Ratio Rank: 81
VDVIX Sortino Ratio Rank: 79
VDVIX Omega Ratio Rank: 76
VDVIX Calmar Ratio Rank: 82
VDVIX Martin Ratio Rank: 81

FSKLX

FSKLX Risk / Return Rank: 75
FSKLX Sharpe Ratio Rank: 75
FSKLX Sortino Ratio Rank: 74
FSKLX Omega Ratio Rank: 68
FSKLX Calmar Ratio Rank: 82
FSKLX Martin Ratio Rank: 74

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.

VDVIX vs. FSKLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Developed Markets Index Fund Investor Shares (VDVIX) and Fidelity SAI International Low Volatility Index Fund (FSKLX). 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.

	VDVIX	FSKLX	Difference
Sharpe ratio Return per unit of total volatility	1.50	1.33	+0.17
Sortino ratio Return per unit of downside risk	2.00	1.83	+0.18
Omega ratio Gain probability vs. loss probability	1.30	1.25	+0.04
Calmar ratio Return relative to maximum drawdown	1.99	1.99	+0.01
Martin ratio Return relative to average drawdown	7.93	7.06	+0.87
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VDVIX vs. FSKLX - Sharpe Ratio Comparison

The current VDVIX Sharpe Ratio is 1.50, which is comparable to the FSKLX Sharpe Ratio of 1.33. The chart below compares the historical Sharpe Ratios of VDVIX and FSKLX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	VDVIX	FSKLX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.50	1.33	+0.17
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.52	0.56	-0.04
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.54	0.51	+0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.41	0.46	-0.04

Correlation

The correlation between VDVIX and FSKLX is 0.87, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

VDVIX vs. FSKLX - Dividend Comparison

VDVIX's dividend yield for the trailing twelve months is around 2.90%, more than FSKLX's 2.51% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VDVIX Vanguard Developed Markets Index Fund Investor Shares	2.90%	3.11%	3.24%	3.05%	2.78%	3.04%	1.94%	2.94%	3.22%	2.68%	2.95%	2.79%
FSKLX Fidelity SAI International Low Volatility Index Fund	2.51%	2.59%	2.09%	2.31%	2.01%	2.42%	1.32%	6.06%	2.64%	1.69%	2.85%	1.10%

Drawdowns

VDVIX vs. FSKLX - Drawdown Comparison

The maximum VDVIX drawdown since its inception was -35.78%, which is greater than FSKLX's maximum drawdown of -27.26%. Use the drawdown chart below to compare losses from any high point for VDVIX and FSKLX.

Drawdown Indicators

	VDVIX	FSKLX	Difference
Max Drawdown Largest peak-to-trough decline	-35.78%	-27.26%	-8.52%
Max Drawdown (1Y) Largest decline over 1 year	-11.71%	-8.64%	-3.07%
Max Drawdown (5Y) Largest decline over 5 years	-29.85%	-24.99%	-4.86%
Max Drawdown (10Y) Largest decline over 10 years	-35.78%	-27.26%	-8.52%
Current Drawdown Current decline from peak	-11.65%	-7.31%	-4.34%
Average Drawdown Average peak-to-trough decline	-7.24%	-5.14%	-2.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.94%	2.43%	+0.51%

Volatility

VDVIX vs. FSKLX - Volatility Comparison

Vanguard Developed Markets Index Fund Investor Shares (VDVIX) has a higher volatility of 7.07% compared to Fidelity SAI International Low Volatility Index Fund (FSKLX) at 4.41%. This indicates that VDVIX's price experiences larger fluctuations and is considered to be riskier than FSKLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VDVIX	FSKLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.07%	4.41%	+2.66%
Volatility (6M) Calculated over the trailing 6-month period	10.90%	7.41%	+3.49%
Volatility (1Y) Calculated over the trailing 1-year period	16.49%	12.28%	+4.21%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.64%	11.44%	+4.20%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.43%	11.89%	+4.54%