VITNX vs. FSKAX
VITNX (Vanguard Institutional Total Stock Market Index Fund Institutional Shares) and FSKAX (Fidelity Total Market Index Fund) are both Large Cap Blend Equities funds. Over the past 10 years, VITNX returned 15.18%/yr vs 15.09%/yr for FSKAX. With a 1.00 correlation, they move nearly in lockstep. VITNX charges 0.03%/yr vs 0.01%/yr for FSKAX.
Performance
VITNX vs. FSKAX - Performance Comparison
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Returns By Period
The year-to-date returns for both investments are quite close, with VITNX having a 11.98% return and FSKAX slightly higher at 12.08%. Both investments have delivered pretty close results over the past 10 years, with VITNX having a 15.18% annualized return and FSKAX not far behind at 15.09%.
VITNX
- 1D
- 0.24%
- 1M
- 5.76%
- YTD
- 11.98%
- 6M
- 11.89%
- 1Y
- 29.13%
- 3Y*
- 22.91%
- 5Y*
- 13.37%
- 10Y*
- 15.18%
FSKAX
- 1D
- 0.24%
- 1M
- 5.80%
- YTD
- 12.08%
- 6M
- 11.98%
- 1Y
- 29.13%
- 3Y*
- 22.42%
- 5Y*
- 13.08%
- 10Y*
- 15.09%
VITNX vs. FSKAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VITNX Vanguard Institutional Total Stock Market Index Fund Institutional Shares | 11.98% | 17.16% | 25.42% | 26.01% | -19.47% | 25.76% | 20.95% | 30.86% | -5.60% | 20.52% |
FSKAX Fidelity Total Market Index Fund | 12.08% | 17.06% | 23.89% | 26.12% | -19.53% | 25.66% | 20.79% | 30.92% | -5.32% | 20.85% |
Correlation
The correlation between VITNX and FSKAX is 1.00 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 1.00 |
Correlation (3Y) Calculated over the trailing 3-year period | 1.00 |
Correlation (5Y) Calculated over the trailing 5-year period | 1.00 |
Correlation (10Y) Calculated over the trailing 10-year period | 1.00 |
Correlation (All Time) Calculated using the full available price history since Sep 9, 2011 | 1.00 |
The correlation between VITNX and FSKAX has been stable across timeframes, ranging from 1.00 to 1.00 - a consistent structural relationship.
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Return for Risk
VITNX vs. FSKAX — Risk / Return Rank
VITNX
FSKAX
VITNX vs. FSKAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Institutional Total Stock Market Index Fund Institutional Shares (VITNX) and Fidelity Total Market Index Fund (FSKAX). 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.
| VITNX | FSKAX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.01 | ||
| Sortino ratioReturn per unit of downside risk | +0.02 | ||
| Omega ratioGain probability vs. loss probability | 1.44 | 1.44 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 3.38 | 3.38 | 0.00 |
| Martin ratioReturn relative to average drawdown | 15.59 | 15.52 | +0.07 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| VITNX | FSKAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.47 | 2.46 | +0.01 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.77 | 0.76 | +0.02 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.83 | 0.82 | +0.01 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.53 | 0.85 | -0.32 |
Drawdowns
VITNX vs. FSKAX - Drawdown Comparison
The maximum VITNX drawdown since its inception was -55.32%, which is greater than FSKAX's maximum drawdown of -35.01%. Use the drawdown chart below to compare losses from any high point for VITNX and FSKAX.
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Drawdown Indicators
| VITNX | FSKAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.32% | -35.01% | -20.31% |
Max Drawdown (1Y)Largest decline over 1 year | -8.92% | -8.92% | 0.00% |
Max Drawdown (3Y)Largest decline over 3 years | -19.36% | -19.43% | +0.07% |
Max Drawdown (5Y)Largest decline over 5 years | -25.32% | -25.39% | +0.07% |
Max Drawdown (10Y)Largest decline over 10 years | -34.99% | -35.01% | +0.02% |
Current DrawdownCurrent decline from peak | 0.00% | 0.00% | 0.00% |
Average DrawdownAverage peak-to-trough decline | -7.35% | -4.02% | -3.33% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.93% | 1.94% | -0.01% |
Volatility
VITNX vs. FSKAX - Volatility Comparison
Vanguard Institutional Total Stock Market Index Fund Institutional Shares (VITNX) and Fidelity Total Market Index Fund (FSKAX) have volatilities of 2.94% and 2.97%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VITNX | FSKAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.94% | 2.97% | -0.03% |
Volatility (6M)Calculated over the trailing 6-month period | 9.19% | 9.23% | -0.04% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.19% | 12.26% | -0.07% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.35% | 17.41% | -0.06% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.42% | 18.46% | -0.04% |
VITNX vs. FSKAX - Expense Ratio Comparison
VITNX has a 0.03% expense ratio, which is higher than FSKAX's 0.02% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
VITNX vs. FSKAX - Dividend Comparison
VITNX's dividend yield for the trailing twelve months is around 2.23%, more than FSKAX's 0.93% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FSKAX Fidelity Total Market Index Fund | 0.93% | 1.01% | 1.19% | 1.41% | 1.62% | 1.15% | 1.45% | 1.94% | 2.54% | 2.07% | 2.43% | 0.82% |
VITNX Vanguard Institutional Total Stock Market Index Fund Institutional Shares | 2.23% | 2.63% | 4.14% | 2.41% | 6.48% | 5.37% | 11.56% | 2.90% | 3.92% | 1.89% | 2.78% | 2.28% |
Frequently Asked Questions
With a correlation of 1.00, VITNX and FSKAX 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.
FSKAX has higher volatility (2.97%) compared to VITNX (2.94%). In terms of maximum drawdown, VITNX dropped -55.32% vs FSKAX's -35.01%.
VITNX currently has the higher Sharpe Ratio (2.47 vs 2.46), 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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