FMILX vs. FZROX

Last updated Jun 23, 2026

FMILX (Fidelity New Millennium Fund) and FZROX (Fidelity ZERO Total Market Index Fund) are both mutual funds - FMILX is a Large Cap Value Equities fund managed by Fidelity, while FZROX is a Large Cap Blend Equities fund managed by Fidelity. Over the past 5 years, FMILX returned 16.90%/yr vs 13.13%/yr for FZROX. Their correlation of 0.91 suggests significant overlap in exposure. FMILX charges 0.59%/yr vs 0.00%/yr for FZROX.

Performance

FMILX vs. FZROX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity New Millennium Fund (FMILX) and Fidelity ZERO Total Market Index Fund (FZROX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FMILX achieves a 15.38% return, which is significantly higher than FZROX's 10.74% return.

FMILX

• 1D: 0.95%
• 1M: 4.96%
• YTD: 15.38%
• 6M: 9.35%
• 1Y: 26.82%
• 3Y*: 22.62%
• 5Y*: 16.90%
• 10Y*: 15.51%

FZROX

• 1D: 1.16%
• 1M: 0.93%
• YTD: 10.74%
• 6M: 10.00%
• 1Y: 27.63%
• 3Y*: 20.80%
• 5Y*: 13.13%
• 10Y*: —

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

FMILX vs. FZROX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FMILX Fidelity New Millennium Fund	15.38%	12.97%	28.83%	25.37%	-1.56%	23.92%	5.73%	26.17%	-11.24%
FZROX Fidelity ZERO Total Market Index Fund	10.74%	17.23%	23.94%	26.20%	-19.21%	26.00%	20.51%	31.15%	-12.72%

Correlation

The correlation between FMILX and FZROX is 0.95, 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	0.95
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.93
Correlation (All Time) Calculated using the full available price history since Aug 16, 2018	0.91

The correlation between FMILX and FZROX has been stable across timeframes, ranging from 0.91 to 0.95 - a consistent structural relationship.

Return for Risk

FMILX vs. FZROX — Risk / Return Rank

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

FMILX

FMILX Risk / Return Rank: 41
FMILX Sharpe Ratio Rank: 43
FMILX Sortino Ratio Rank: 37
FMILX Omega Ratio Rank: 45
FMILX Calmar Ratio Rank: 40
FMILX Martin Ratio Rank: 40

FZROX

FZROX Risk / Return Rank: 66
FZROX Sharpe Ratio Rank: 63
FZROX Sortino Ratio Rank: 57
FZROX Omega Ratio Rank: 58
FZROX Calmar Ratio Rank: 71
FZROX Martin Ratio Rank: 80

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.

FMILX vs. FZROX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity New Millennium Fund (FMILX) and Fidelity ZERO Total Market Index Fund (FZROX). 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.

	FMILX	FZROX	Difference
Sharpe ratio: Return per unit of total volatility	1.78	2.14	-0.36
Sortino ratio: Return per unit of downside risk	2.35	2.90	-0.54
Omega ratio: Gain probability vs. loss probability	1.33	1.38	-0.05
Calmar ratio: Return relative to maximum drawdown	2.27	3.10	-0.82
Martin ratio: Return relative to average drawdown	8.16	13.86	-5.70

FMILX vs. FZROX - Sharpe Ratio Comparison

The current FMILX Sharpe Ratio is 1.78, which is comparable to the FZROX Sharpe Ratio of 2.14. The chart below compares the historical Sharpe Ratios of FMILX and FZROX, 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

FMILX vs. FZROX - Drawdown Comparison

The maximum FMILX drawdown since its inception was -58.56%, which is greater than FZROX's maximum drawdown of -34.96%. Use the drawdown chart below to compare losses from any high point for FMILX and FZROX.

Drawdown Indicators

	FMILX	FZROX	Difference
Max Drawdown Largest peak-to-trough decline	-58.56%	-34.96%	-23.60%
Max Drawdown (1Y) Largest decline over 1 year	-11.86%	-8.89%	-2.97%
Max Drawdown (3Y) Largest decline over 3 years	-20.48%	-19.38%	-1.10%
Max Drawdown (5Y) Largest decline over 5 years	-20.48%	-25.12%	+4.64%
Max Drawdown (10Y) Largest decline over 10 years	-38.92%	—	—
Current Drawdown Current decline from peak	-0.53%	-1.13%	+0.60%
Average Drawdown Average peak-to-trough decline	-12.43%	-5.49%	-6.94%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.29%	1.98%	+1.31%

Volatility

FMILX vs. FZROX - Volatility Comparison

Fidelity New Millennium Fund (FMILX) has a higher volatility of 5.88% compared to Fidelity ZERO Total Market Index Fund (FZROX) at 4.94%. This indicates that FMILX's price experiences larger fluctuations and is considered to be riskier than FZROX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FMILX	FZROX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.88%	4.94%	+0.94%
Volatility (6M) Calculated over the trailing 6-month period	12.73%	10.16%	+2.57%
Volatility (1Y) Calculated over the trailing 1-year period	15.15%	12.85%	+2.30%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.03%	17.53%	-0.50%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.08%	20.13%	-2.05%

FMILX vs. FZROX - Expense Ratio Comparison

FMILX has a 0.59% expense ratio, which is higher than FZROX's 0.00% expense ratio.

Dividends

FMILX vs. FZROX - Dividend Comparison

FMILX has not paid dividends to shareholders, while FZROX's dividend yield for the trailing twelve months is around 0.92%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FMILX Fidelity New Millennium Fund	0.00%	0.00%	3.64%	3.87%	4.19%	8.25%	8.60%	4.72%	18.25%	7.84%	6.65%	11.99%
FZROX Fidelity ZERO Total Market Index Fund	0.92%	1.02%	1.16%	1.36%	1.57%	1.25%	1.27%	1.51%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FMILX and FZROX in my portfolio?

With a correlation of 0.95, FMILX and FZROX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, FMILX or FZROX?

FMILX has higher volatility (5.88%) compared to FZROX (4.94%). In terms of maximum drawdown, FMILX dropped -58.56% vs FZROX's -34.96%.

Which has better risk-adjusted returns?

FZROX currently has the higher Sharpe Ratio (2.14 vs 1.78), 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.