FIWGX vs. FERGX

Last updated Jul 11, 2026

FIWGX (Strategic Advisers Fidelity Core Income Fund) and FERGX (Fidelity SAI Emerging Markets Index Fund) are both mutual funds - FIWGX is a Intermediate Core-Plus Bond fund managed by Fidelity, while FERGX is a Emerging Markets Diversified fund managed by Fidelity. Over the past 5 years, FIWGX returned 0.09%/yr vs 7.15%/yr for FERGX. At a 0.06 correlation, their price movements are largely independent. FIWGX charges 0.46%/yr vs 0.07%/yr for FERGX.

Performance

FIWGX vs. FERGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Strategic Advisers Fidelity Core Income Fund (FIWGX) and Fidelity SAI Emerging Markets Index Fund (FERGX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FIWGX achieves a -0.05% return, which is significantly lower than FERGX's 21.85% return.

FIWGX

• 1D: 0.11%
• 1M: -0.22%
• 6M: -0.05%
• YTD: -0.05%
• 1Y: 3.37%
• 3Y*: 4.60%
• 5Y*: 0.09%
• 10Y*: —

FERGX

• 1D: 0.42%
• 1M: -1.96%
• 6M: 16.88%
• YTD: 21.85%
• 1Y: 40.28%
• 3Y*: 21.99%
• 5Y*: 7.15%
• 10Y*: —

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

FIWGX vs. FERGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FIWGX Strategic Advisers Fidelity Core Income Fund	-0.05%	6.90%	2.14%	6.51%	-13.71%	-0.37%	10.21%	9.39%	1.28%
FERGX Fidelity SAI Emerging Markets Index Fund	21.85%	33.86%	6.59%	9.41%	-20.19%	-3.05%	17.46%	18.22%	0.45%

Correlation

The correlation between FIWGX and FERGX is 0.21, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.21
Correlation (3Y) Calculated over the trailing 3-year period	0.15
Correlation (5Y) Calculated over the trailing 5-year period	0.12
Correlation (All Time) Calculated using the full available price history since Oct 24, 2018	0.06

The correlation between FIWGX and FERGX shifts across timeframes, from 0.06 (all time) to 0.21 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

FIWGX vs. FERGX — Risk / Return Rank

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

FIWGX

FIWGX Risk / Return Rank: 23
FIWGX Sharpe Ratio Rank: 21
FIWGX Sortino Ratio Rank: 22
FIWGX Omega Ratio Rank: 19
FIWGX Calmar Ratio Rank: 29
FIWGX Martin Ratio Rank: 25

FERGX

FERGX Risk / Return Rank: 74
FERGX Sharpe Ratio Rank: 73
FERGX Sortino Ratio Rank: 61
FERGX Omega Ratio Rank: 75
FERGX Calmar Ratio Rank: 83
FERGX Martin Ratio Rank: 77

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.

FIWGX vs. FERGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Strategic Advisers Fidelity Core Income Fund (FIWGX) and Fidelity SAI Emerging Markets Index Fund (FERGX). 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.

	FIWGX	FERGX	Difference
Sharpe ratio: Return per unit of total volatility	0.99	1.91	-0.92
Sortino ratio: Return per unit of downside risk	1.48	2.45	-0.97
Omega ratio: Gain probability vs. loss probability	1.17	1.37	-0.20
Calmar ratio: Return relative to maximum drawdown	1.56	3.07	-1.50
Martin ratio: Return relative to average drawdown	4.43	10.91	-6.48

FIWGX vs. FERGX - Sharpe Ratio Comparison

The current FIWGX Sharpe Ratio is 0.99, which is lower than the FERGX Sharpe Ratio of 1.91. The chart below compares the historical Sharpe Ratios of FIWGX and FERGX, 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

FIWGX vs. FERGX - Drawdown Comparison

The maximum FIWGX drawdown since its inception was -18.42%, smaller than the maximum FERGX drawdown of -39.27%. Use the drawdown chart below to compare losses from any high point for FIWGX and FERGX.

Drawdown Indicators

	FIWGX	FERGX	Difference
Max Drawdown Largest peak-to-trough decline	-18.42%	-39.27%	+20.85%
Max Drawdown (1Y) Largest decline over 1 year	-2.52%	-13.32%	+10.80%
Max Drawdown (3Y) Largest decline over 3 years	-6.24%	-16.20%	+9.96%
Max Drawdown (5Y) Largest decline over 5 years	-18.42%	-35.35%	+16.93%
Current Drawdown Current decline from peak	-1.22%	-6.08%	+4.86%
Average Drawdown Average peak-to-trough decline	-4.97%	-14.22%	+9.25%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.85%	3.73%	-2.88%

Volatility

FIWGX vs. FERGX - Volatility Comparison

The current volatility for Strategic Advisers Fidelity Core Income Fund (FIWGX) is 1.00%, while Fidelity SAI Emerging Markets Index Fund (FERGX) has a volatility of 10.37%. This indicates that FIWGX experiences smaller price fluctuations and is considered to be less risky than FERGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FIWGX	FERGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.00%	10.37%	-9.37%
Volatility (6M) Calculated over the trailing 6-month period	2.77%	19.58%	-16.81%
Volatility (1Y) Calculated over the trailing 1-year period	4.01%	21.41%	-17.40%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.10%	18.03%	-11.93%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.48%	18.33%	-12.85%

FIWGX vs. FERGX - Expense Ratio Comparison

FIWGX has a 0.46% expense ratio, which is higher than FERGX's 0.08% expense ratio.

Dividends

FIWGX vs. FERGX - Dividend Comparison

FIWGX's dividend yield for the trailing twelve months is around 3.45%, more than FERGX's 2.19% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
FERGX Fidelity SAI Emerging Markets Index Fund	2.19%	2.67%	2.40%	2.67%	2.51%	2.90%	1.49%	2.49%	2.58%	0.58%
FIWGX Strategic Advisers Fidelity Core Income Fund	3.45%	3.68%	4.36%	3.79%	2.24%	1.77%	6.83%	4.30%	0.57%	0.00%

Frequently Asked Questions

Can I hold both FIWGX and FERGX in my portfolio?

FIWGX and FERGX have a correlation of 0.21, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FIWGX or FERGX?

FERGX has higher volatility (10.37%) compared to FIWGX (1.00%). In terms of maximum drawdown, FIWGX dropped -18.42% vs FERGX's -39.27%.

Which has better risk-adjusted returns?

FERGX currently has the higher Sharpe Ratio (1.91 vs 0.99), 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.