VTWIX vs. FLCPX

Last updated Aug 4, 2026

VTWIX (Vanguard Total World Stock Index Fund Institutional Shares) and FLCPX (Fidelity SAI U.S. Large Cap Index Fund) are both Large Cap Blend Equities funds. Over the past 10 years, VTWIX returned 12.38%/yr vs 15.15%/yr for FLCPX. Their 0.95 correlation means they have historically moved very closely together. VTWIX charges 0.07%/yr vs 0.02%/yr for FLCPX.

Performance

VTWIX vs. FLCPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Total World Stock Index Fund Institutional Shares (VTWIX) and Fidelity SAI U.S. Large Cap Index Fund (FLCPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VTWIX achieves a 11.28% return, which is significantly higher than FLCPX's 10.14% return. Over the past 10 years, VTWIX has underperformed FLCPX with an annualized return of 12.38%, while FLCPX has yielded a comparatively higher 15.15% annualized return.

VTWIX

• 1D: 0.39%
• 1M: -0.01%
• 6M: 7.44%
• YTD: 11.28%
• 1Y: 23.70%
• 3Y*: 18.23%
• 5Y*: 10.61%
• 10Y*: 12.38%
• ALL TIME*: 8.85%

FLCPX

• 1D: 0.71%
• 1M: 0.13%
• 6M: 7.96%
• YTD: 10.14%
• 1Y: 21.47%
• 3Y*: 19.44%
• 5Y*: 12.85%
• 10Y*: 15.15%
• ALL TIME*: 16.15%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
FLCPX Fidelity SAI U.S. Large Cap Index Fund	$0.00	$0.00	$0.00
VTWIX Vanguard Total World Stock Index Fund Institutional Shares	$0.00	$0.00	$0.00

VTWIX vs. FLCPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VTWIX Vanguard Total World Stock Index Fund Institutional Shares	11.28%	22.43%	16.47%	21.87%	-18.00%	18.21%	16.70%	26.77%	-9.68%	24.21%
FLCPX Fidelity SAI U.S. Large Cap Index Fund	10.14%	17.84%	25.08%	26.25%	-18.06%	28.61%	18.24%	31.59%	-4.38%	21.74%

Correlation

The correlation between VTWIX and FLCPX is 0.96 - they have historically moved very closely together. At this level, their price movements offset little of one another.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.96
Correlation (3Y) Balances recent behavior with more history.	0.95
Correlation (5Y) Shows whether the relationship held over a longer period.	0.95
Correlation (10Y) Provides a long-term view across more market conditions.	0.95
Correlation (All Time) Calculated using the full available price history since Feb 12, 2016	0.95

The correlation between VTWIX and FLCPX has been stable across timeframes, ranging from 0.95 to 0.96 - a consistent structural relationship.

Return for Risk

VTWIX vs. FLCPX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

VTWIX

VTWIX Risk / Return Rank: 66
VTWIX Sharpe Ratio Rank: 65
VTWIX Sortino Ratio Rank: 61
VTWIX Omega Ratio Rank: 62
VTWIX Calmar Ratio Rank: 67
VTWIX Martin Ratio Rank: 77

FLCPX

FLCPX Risk / Return Rank: 59
FLCPX Sharpe Ratio Rank: 56
FLCPX Sortino Ratio Rank: 52
FLCPX Omega Ratio Rank: 52
FLCPX Calmar Ratio Rank: 61
FLCPX Martin Ratio Rank: 74

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

VTWIX vs. FLCPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Total World Stock Index Fund Institutional Shares (VTWIX) and Fidelity SAI U.S. Large Cap Index Fund (FLCPX). 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.

	VTWIX	FLCPX	Difference
Sharpe ratio: Return per unit of total volatility	1.64	1.53	+0.11
Sortino ratio: Return per unit of downside risk	2.29	2.13	+0.16
Omega ratio: Gain probability vs. loss probability	1.30	1.27	+0.02
Calmar ratio: Return relative to maximum drawdown	2.32	2.22	+0.10
Martin ratio: Return relative to average drawdown	9.69	9.50	+0.18

VTWIX vs. FLCPX - Sharpe Ratio Comparison

The current VTWIX Sharpe Ratio is 1.64, which is comparable to the FLCPX Sharpe Ratio of 1.53. The chart below compares the historical Sharpe Ratios of VTWIX and FLCPX, 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

VTWIX vs. FLCPX - Drawdown Comparison

The maximum VTWIX drawdown since its inception was -50.16%, which is greater than FLCPX's maximum drawdown of -33.87%. Use the drawdown chart below to compare losses from any high point for VTWIX and FLCPX.

Drawdown Indicators

	VTWIX	FLCPX	Difference
Max Drawdown Largest peak-to-trough decline	-50.16%	-33.87%	-16.29%
Max Drawdown (1Y) Largest decline over 1 year	-9.64%	-8.89%	-0.75%
Max Drawdown (3Y) Largest decline over 3 years	-16.43%	-18.76%	+2.33%
Max Drawdown (5Y) Largest decline over 5 years	-26.39%	-24.40%	-1.99%
Max Drawdown (10Y) Largest decline over 10 years	-34.20%	-33.87%	-0.33%
Current Drawdown Current decline from peak	-1.68%	-1.41%	-0.27%
Average Drawdown Average peak-to-trough decline	-6.92%	-4.15%	-2.77%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.30%	2.07%	+0.23%

Volatility

VTWIX vs. FLCPX - Volatility Comparison

Vanguard Total World Stock Index Fund Institutional Shares (VTWIX) has a higher volatility of 3.97% compared to Fidelity SAI U.S. Large Cap Index Fund (FLCPX) at 3.51%. This indicates that VTWIX's price experiences larger fluctuations and is considered to be riskier than FLCPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VTWIX	FLCPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.97%	3.51%	+0.46%
Volatility (6M) Calculated over the trailing 6-month period	11.35%	10.10%	+1.25%
Volatility (1Y) Calculated over the trailing 1-year period	13.64%	12.88%	+0.76%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.89%	17.18%	-1.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.71%	18.17%	-1.46%

VTWIX vs. FLCPX - Expense Ratio Comparison

VTWIX has a 0.07% expense ratio, which is higher than FLCPX'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

VTWIX vs. FLCPX - Dividend Comparison

VTWIX's dividend yield for the trailing twelve months is around 1.58%, more than FLCPX's 0.51% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FLCPX Fidelity SAI U.S. Large Cap Index Fund	0.51%	0.56%	6.11%	7.05%	11.23%	10.38%	3.93%	1.74%	2.18%	1.57%	0.76%	0.00%
VTWIX Vanguard Total World Stock Index Fund Institutional Shares	1.58%	1.82%	1.94%	2.07%	2.19%	1.81%	1.66%	2.32%	2.55%	2.11%	2.40%	2.46%

Frequently Asked Questions

Can I hold both VTWIX and FLCPX in my portfolio?

With a correlation of 0.96, VTWIX and FLCPX 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, VTWIX or FLCPX?

VTWIX has higher volatility (3.97%) compared to FLCPX (3.51%). In terms of maximum drawdown, VTWIX dropped -50.16% vs FLCPX's -33.87%.

Which has better risk-adjusted returns?

VTWIX currently has the higher Sharpe Ratio (1.64 vs 1.53), 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.