FSKAX vs. FSMAX
Compare and contrast key facts about Fidelity Total Market Index Fund (FSKAX) and Fidelity Extended Market Index Fund (FSMAX).
FSKAX is managed by Fidelity. FSMAX is managed by Fidelity.
Performance
FSKAX vs. FSMAX - Performance Comparison
Loading graphics...
FSKAX vs. FSMAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FSKAX Fidelity Total Market Index Fund | -6.77% | 17.06% | 23.89% | 26.12% | -19.53% | 25.66% | 20.79% | 30.92% | -5.32% | 20.85% |
FSMAX Fidelity Extended Market Index Fund | -4.54% | 11.40% | 16.99% | 25.36% | -26.44% | 12.41% | 32.28% | 28.01% | -9.44% | 18.04% |
Returns By Period
In the year-to-date period, FSKAX achieves a -6.77% return, which is significantly lower than FSMAX's -4.54% return. Over the past 10 years, FSKAX has outperformed FSMAX with an annualized return of 13.23%, while FSMAX has yielded a comparatively lower 10.54% annualized return.
FSKAX
- 1D
- -0.47%
- 1M
- -7.69%
- YTD
- -6.77%
- 6M
- -4.56%
- 1Y
- 14.73%
- 3Y*
- 16.72%
- 5Y*
- 10.13%
- 10Y*
- 13.23%
FSMAX
- 1D
- -1.03%
- 1M
- -7.76%
- YTD
- -4.54%
- 6M
- -4.39%
- 1Y
- 16.77%
- 3Y*
- 13.78%
- 5Y*
- 3.66%
- 10Y*
- 10.54%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
FSKAX vs. FSMAX - Expense Ratio Comparison
FSKAX has a 0.02% expense ratio, which is lower than FSMAX's 0.04% 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%.
Return for Risk
FSKAX vs. FSMAX — Risk / Return Rank
FSKAX
FSMAX
FSKAX vs. FSMAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Total Market Index Fund (FSKAX) and Fidelity Extended Market Index Fund (FSMAX). 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.
| FSKAX | FSMAX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.83 | 0.72 | +0.11 |
Sortino ratioReturn per unit of downside risk | 1.29 | 1.16 | +0.13 |
Omega ratioGain probability vs. loss probability | 1.19 | 1.16 | +0.04 |
Calmar ratioReturn relative to maximum drawdown | 1.04 | 0.95 | +0.10 |
Martin ratioReturn relative to average drawdown | 5.05 | 3.91 | +1.14 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| FSKAX | FSMAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.83 | 0.72 | +0.11 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.59 | 0.16 | +0.42 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.72 | 0.35 | +0.37 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.78 | 0.41 | +0.36 |
Correlation
The correlation between FSKAX and FSMAX is 0.92, 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
FSKAX vs. FSMAX - Dividend Comparison
FSKAX's dividend yield for the trailing twelve months is around 1.09%, more than FSMAX's 0.60% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FSKAX Fidelity Total Market Index Fund | 1.09% | 1.01% | 1.19% | 1.41% | 1.62% | 1.15% | 1.45% | 1.94% | 2.54% | 2.07% | 2.43% | 0.82% |
FSMAX Fidelity Extended Market Index Fund | 0.60% | 0.57% | 0.48% | 1.17% | 1.90% | 7.49% | 2.14% | 4.30% | 6.09% | 5.44% | 4.85% | 6.34% |
Drawdowns
FSKAX vs. FSMAX - Drawdown Comparison
The maximum FSKAX drawdown since its inception was -35.01%, smaller than the maximum FSMAX drawdown of -50.55%. Use the drawdown chart below to compare losses from any high point for FSKAX and FSMAX.
Loading graphics...
Drawdown Indicators
| FSKAX | FSMAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -35.01% | -50.55% | +15.54% |
Max Drawdown (1Y)Largest decline over 1 year | -12.42% | -14.64% | +2.22% |
Max Drawdown (5Y)Largest decline over 5 years | -25.39% | -36.31% | +10.92% |
Max Drawdown (10Y)Largest decline over 10 years | -35.01% | -50.55% | +15.54% |
Current DrawdownCurrent decline from peak | -8.92% | -10.26% | +1.34% |
Average DrawdownAverage peak-to-trough decline | -4.05% | -12.29% | +8.24% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.57% | 3.54% | -0.97% |
Volatility
FSKAX vs. FSMAX - Volatility Comparison
The current volatility for Fidelity Total Market Index Fund (FSKAX) is 4.42%, while Fidelity Extended Market Index Fund (FSMAX) has a volatility of 6.01%. This indicates that FSKAX experiences smaller price fluctuations and is considered to be less risky than FSMAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading graphics...
Volatility by Period
| FSKAX | FSMAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.42% | 6.01% | -1.59% |
Volatility (6M)Calculated over the trailing 6-month period | 9.40% | 13.07% | -3.67% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.50% | 22.79% | -4.29% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.38% | 22.32% | -4.94% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.42% | 30.19% | -11.77% |