FNCMX vs. FIBUX
FNCMX (Fidelity NASDAQ Composite Index Fund) and FIBUX (Fidelity Flex U.S. Bond Index Fund) are both mutual funds - FNCMX is a Large Cap Growth Equities fund tracking the Nasdaq Composite Index, while FIBUX is a Total Bond Market fund managed by Fidelity. Over the past 5 years, FNCMX returned 11.67%/yr vs -0.53%/yr for FIBUX. Their 0.02 correlation means their historical movements had little consistent relationship. FNCMX charges 0.29%/yr vs 0.00%/yr for FIBUX.
Performance
FNCMX vs. FIBUX - Performance Comparison
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Returns By Period
In the year-to-date period, FNCMX achieves a 5.49% return, which is significantly higher than FIBUX's -0.63% return.
FNCMX
- 1D
- -1.75%
- 1M
- -6.77%
- 6M
- 3.51%
- YTD
- 5.49%
- 1Y
- 16.35%
- 3Y*
- 20.43%
- 5Y*
- 11.67%
- 10Y*
- 17.71%
- ALL TIME*
- 11.80%
FIBUX
- 1D
- -0.33%
- 1M
- -1.42%
- 6M
- -0.63%
- YTD
- -0.63%
- 1Y
- 3.00%
- 3Y*
- 3.81%
- 5Y*
- -0.53%
- 10Y*
- —
- ALL TIME*
- 1.64%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
FNCMX vs. FIBUX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FNCMX Fidelity NASDAQ Composite Index Fund | 5.49% | 21.11% | 29.48% | 45.13% | -32.40% | 22.21% | 44.57% | 36.63% | -3.07% | 18.16% |
FIBUX Fidelity Flex U.S. Bond Index Fund | -0.63% | 7.20% | 1.31% | 5.46% | -13.41% | -2.16% | 7.08% | 8.58% | 0.12% | 3.81% |
Correlation
The correlation between FNCMX and FIBUX is 0.24, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.24 |
Correlation (3Y) Balances recent behavior with more history. | 0.14 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.13 |
Correlation (All Time) Calculated using the full available price history since Mar 9, 2017 | 0.02 |
Over the past year, FNCMX and FIBUX have become more correlated (0.24) than their long-term average of 0.02, meaning their price movements have been converging.
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Return for Risk
FNCMX vs. FIBUX — Risk / Return Rank
FNCMX
FIBUX
FNCMX vs. FIBUX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity NASDAQ Composite Index Fund (FNCMX) and Fidelity Flex U.S. Bond Index Fund (FIBUX). 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.
| FNCMX | FIBUX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.22 | ||
| Sortino ratioReturn per unit of downside risk | +0.32 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 1.12 | +0.04 |
| Calmar ratioReturn relative to maximum drawdown | 1.28 | 0.90 | +0.37 |
| Martin ratioReturn relative to average drawdown | 4.31 | 2.23 | +2.08 |
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Drawdowns
FNCMX vs. FIBUX - Drawdown Comparison
The maximum FNCMX drawdown since its inception was -55.08%, which is greater than FIBUX's maximum drawdown of -19.76%. Use the drawdown chart below to compare losses from any high point for FNCMX and FIBUX.
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Drawdown Indicators
| FNCMX | FIBUX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.08% | -19.76% | -35.32% |
Max Drawdown (1Y)Largest decline over 1 year | -13.01% | -2.97% | -10.04% |
Max Drawdown (3Y)Largest decline over 3 years | -24.20% | -5.08% | -19.12% |
Max Drawdown (5Y)Largest decline over 5 years | -35.64% | -18.40% | -17.24% |
Max Drawdown (10Y)Largest decline over 10 years | -35.64% | — | — |
Current DrawdownCurrent decline from peak | -9.70% | -4.49% | -5.21% |
Average DrawdownAverage peak-to-trough decline | -7.84% | -5.76% | -2.08% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.85% | 1.20% | +2.65% |
Volatility
FNCMX vs. FIBUX - Volatility Comparison
Fidelity NASDAQ Composite Index Fund (FNCMX) has a higher volatility of 5.07% compared to Fidelity Flex U.S. Bond Index Fund (FIBUX) at 0.99%. This indicates that FNCMX's price experiences larger fluctuations and is considered to be riskier than FIBUX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FNCMX | FIBUX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.07% | 0.99% | +4.08% |
Volatility (6M)Calculated over the trailing 6-month period | 14.45% | 3.01% | +11.44% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.23% | 3.91% | +14.32% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.76% | 6.04% | +16.72% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.14% | 5.09% | +17.05% |
FNCMX vs. FIBUX - Expense Ratio Comparison
FNCMX has a 0.29% expense ratio, which is higher than FIBUX's 0.00% expense ratio.
Dividends
FNCMX vs. FIBUX - Dividend Comparison
FNCMX's dividend yield for the trailing twelve months is around 0.49%, less than FIBUX's 4.15% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FIBUX Fidelity Flex U.S. Bond Index Fund | 4.15% | 3.95% | 3.65% | 2.93% | 1.62% | 1.18% | 2.32% | 2.96% | 2.70% | 2.45% | 0.00% | 0.00% |
FNCMX Fidelity NASDAQ Composite Index Fund | 0.49% | 0.51% | 0.61% | 0.67% | 0.88% | 0.47% | 0.67% | 4.41% | 1.93% | 0.03% | 1.01% | 1.50% |
Frequently Asked Questions
FNCMX and FIBUX have a correlation of 0.24, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FNCMX has higher volatility (5.07%) compared to FIBUX (0.99%). In terms of maximum drawdown, FNCMX dropped -55.08% vs FIBUX's -19.76%.
FNCMX currently has the higher Sharpe Ratio (0.91 vs 0.69), 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.
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