ETIDX vs. FZFLX

Last updated Jun 4, 2026

ETIDX (Eventide Dividend Opportunities Fund) and FZFLX (Fidelity SAI Small-Mid Cap 500 Index Fund) are both Mid Cap Blend Equities funds. Over the past 5 years, ETIDX returned 9.50%/yr vs 12.03%/yr for FZFLX. Their correlation of 0.89 suggests significant overlap in exposure. ETIDX charges 0.95%/yr vs 0.05%/yr for FZFLX.

Performance

ETIDX vs. FZFLX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Eventide Dividend Opportunities Fund (ETIDX) and Fidelity SAI Small-Mid Cap 500 Index Fund (FZFLX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ETIDX achieves a 17.47% return, which is significantly lower than FZFLX's 33.04% return.

ETIDX

• 1D: 1.04%
• 1M: 1.68%
• YTD: 17.47%
• 6M: 16.12%
• 1Y: 21.28%
• 3Y*: 18.80%
• 5Y*: 9.50%
• 10Y*: —

FZFLX

• 1D: 1.53%
• 1M: 6.05%
• YTD: 33.04%
• 6M: 33.74%
• 1Y: 48.52%
• 3Y*: 24.40%
• 5Y*: 12.03%
• 10Y*: 14.07%

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

ETIDX vs. FZFLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ETIDX Eventide Dividend Opportunities Fund	17.47%	5.67%	16.56%	19.67%	-21.77%	31.98%	25.38%	27.07%	-10.37%	3.36%
FZFLX Fidelity SAI Small-Mid Cap 500 Index Fund	33.04%	10.76%	15.52%	17.75%	-15.62%	20.40%	19.78%	31.96%	-9.25%	5.32%

Correlation

The correlation between ETIDX and FZFLX is 0.87, 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	0.87
Correlation (3Y) Calculated over the trailing 3-year period	0.89
Correlation (5Y) Calculated over the trailing 5-year period	0.91
Correlation (All Time) Calculated using the full available price history since Oct 6, 2017	0.89

The correlation between ETIDX and FZFLX has been stable across timeframes, ranging from 0.87 to 0.91 - a consistent structural relationship.

Return for Risk

ETIDX vs. FZFLX — Risk / Return Rank

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

ETIDX

ETIDX Risk / Return Rank: 39
ETIDX Sharpe Ratio Rank: 31
ETIDX Sortino Ratio Rank: 28
ETIDX Omega Ratio Rank: 28
ETIDX Calmar Ratio Rank: 60
ETIDX Martin Ratio Rank: 46

FZFLX

FZFLX Risk / Return Rank: 74
FZFLX Sharpe Ratio Rank: 71
FZFLX Sortino Ratio Rank: 58
FZFLX Omega Ratio Rank: 58
FZFLX Calmar Ratio Rank: 91
FZFLX Martin Ratio Rank: 93

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.

ETIDX vs. FZFLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Eventide Dividend Opportunities Fund (ETIDX) and Fidelity SAI Small-Mid Cap 500 Index Fund (FZFLX). 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.

	ETIDX	FZFLX	Difference
Sharpe ratio: Return per unit of total volatility	1.59	2.44	-0.85
Sortino ratio: Return per unit of downside risk	2.20	3.22	-1.01
Omega ratio: Gain probability vs. loss probability	1.28	1.42	-0.15
Calmar ratio: Return relative to maximum drawdown	2.96	4.77	-1.80
Martin ratio: Return relative to average drawdown	9.60	20.14	-10.54
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ETIDX vs. FZFLX - Sharpe Ratio Comparison

The current ETIDX Sharpe Ratio is 1.59, which is lower than the FZFLX Sharpe Ratio of 2.44. The chart below compares the historical Sharpe Ratios of ETIDX and FZFLX, 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

	ETIDX	FZFLX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.59	2.44	-0.85
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.54	0.57	-0.03
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.67	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.65	0.63	+0.02

Drawdowns

ETIDX vs. FZFLX - Drawdown Comparison

The maximum ETIDX drawdown since its inception was -34.12%, smaller than the maximum FZFLX drawdown of -42.03%. Use the drawdown chart below to compare losses from any high point for ETIDX and FZFLX.

Drawdown Indicators

	ETIDX	FZFLX	Difference
Max Drawdown Largest peak-to-trough decline	-34.12%	-42.03%	+7.91%
Max Drawdown (1Y) Largest decline over 1 year	-7.60%	-10.68%	+3.08%
Max Drawdown (3Y) Largest decline over 3 years	-20.51%	-22.29%	+1.78%
Max Drawdown (5Y) Largest decline over 5 years	-29.11%	-24.77%	-4.34%
Max Drawdown (10Y) Largest decline over 10 years	—	-42.03%	—
Current Drawdown Current decline from peak	-0.40%	-0.33%	-0.07%
Average Drawdown Average peak-to-trough decline	-7.10%	-5.74%	-1.36%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.34%	2.52%	-0.18%

Volatility

ETIDX vs. FZFLX - Volatility Comparison

The current volatility for Eventide Dividend Opportunities Fund (ETIDX) is 4.37%, while Fidelity SAI Small-Mid Cap 500 Index Fund (FZFLX) has a volatility of 7.41%. This indicates that ETIDX experiences smaller price fluctuations and is considered to be less risky than FZFLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ETIDX	FZFLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.37%	7.41%	-3.04%
Volatility (6M) Calculated over the trailing 6-month period	11.46%	17.71%	-6.25%
Volatility (1Y) Calculated over the trailing 1-year period	14.17%	20.84%	-6.67%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.66%	21.11%	-3.45%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.25%	21.11%	-2.86%

ETIDX vs. FZFLX - Expense Ratio Comparison

ETIDX has a 0.95% expense ratio, which is higher than FZFLX's 0.05% expense ratio.

Dividends

ETIDX vs. FZFLX - Dividend Comparison

ETIDX's dividend yield for the trailing twelve months is around 3.04%, less than FZFLX's 43.42% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ETIDX Eventide Dividend Opportunities Fund	3.04%	3.58%	0.64%	0.67%	1.98%	2.78%	1.05%	1.99%	2.16%	1.41%	0.00%	0.00%
FZFLX Fidelity SAI Small-Mid Cap 500 Index Fund	43.42%	57.77%	10.20%	2.35%	79.79%	50.77%	7.19%	6.49%	7.69%	1.68%	0.93%	0.67%

Frequently Asked Questions

Can I hold both ETIDX and FZFLX in my portfolio?

ETIDX and FZFLX have a correlation of 0.87, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ETIDX or FZFLX?

FZFLX has higher volatility (7.41%) compared to ETIDX (4.37%). In terms of maximum drawdown, ETIDX dropped -34.12% vs FZFLX's -42.03%.

Which has better risk-adjusted returns?

FZFLX currently has the higher Sharpe Ratio (2.44 vs 1.59), 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.