TOS vs. FNDX

Last updated Jun 27, 2026

TOS (Twin Oak Strategic Solutions ETF) and FNDX (Schwab Fundamental U.S. Large Company Index ETF) are both exchange-traded funds - TOS is a Large Cap Blend Equities fund actively managed by Twin Oak ETF Company, while FNDX is a Large Cap Value Equities fund tracking the RAFI Fundamental High Liquidity US Large Index. TOS is actively managed, while FNDX is passively managed. A 0.66 correlation means they provide meaningful diversification when combined. TOS charges 0.76%/yr vs 0.25%/yr for FNDX.

Performance

TOS vs. FNDX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Twin Oak Strategic Solutions ETF (TOS) and Schwab Fundamental U.S. Large Company Index ETF (FNDX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

TOS

• 1D: -0.72%
• 1M: 0.34%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

FNDX

• 1D: 0.00%
• 1M: 0.45%
• YTD: 14.75%
• 6M: 13.66%
• 1Y: 29.24%
• 3Y*: 20.02%
• 5Y*: 13.21%
• 10Y*: 14.56%

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

TOS vs. FNDX - Yearly Performance Comparison

	2026 (YTD)
TOS Twin Oak Strategic Solutions ETF	18.66%
FNDX Schwab Fundamental U.S. Large Company Index ETF	10.45%

Correlation

The correlation between TOS and FNDX is 0.66, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jan 28, 2026	0.66

Return for Risk

TOS vs. FNDX — Risk / Return Rank

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

TOS

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

FNDX

FNDX Risk / Return Rank: 91
FNDX Sharpe Ratio Rank: 92
FNDX Sortino Ratio Rank: 92
FNDX Omega Ratio Rank: 91
FNDX Calmar Ratio Rank: 90
FNDX Martin Ratio Rank: 91

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.

TOS vs. FNDX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Twin Oak Strategic Solutions ETF (TOS) and Schwab Fundamental U.S. Large Company Index ETF (FNDX). 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.

	TOS	FNDX	Difference
Sharpe ratio: Return per unit of total volatility	—	2.83	—
Sortino ratio: Return per unit of downside risk	—	3.93	—
Omega ratio: Gain probability vs. loss probability	—	1.52	—
Calmar ratio: Return relative to maximum drawdown	—	4.84	—
Martin ratio: Return relative to average drawdown	—	18.65	—

Drawdowns

TOS vs. FNDX - Drawdown Comparison

The maximum TOS drawdown since its inception was -11.72%, smaller than the maximum FNDX drawdown of -37.72%. Use the drawdown chart below to compare losses from any high point for TOS and FNDX.

Drawdown Indicators

	TOS	FNDX	Difference
Max Drawdown Largest peak-to-trough decline	-11.72%	-37.72%	+26.00%
Max Drawdown (1Y) Largest decline over 1 year	—	-6.06%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-16.30%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-19.06%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-37.72%	—
Current Drawdown Current decline from peak	-3.23%	-1.05%	-2.18%
Average Drawdown Average peak-to-trough decline	-2.51%	-3.55%	+1.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	1.57%	—

Volatility

Volatility by Period

	TOS	FNDX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	3.25%	—
Volatility (6M) Calculated over the trailing 6-month period	—	7.62%	—
Volatility (1Y) Calculated over the trailing 1-year period	26.53%	10.42%	+16.11%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	26.53%	15.17%	+11.36%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.53%	17.47%	+9.06%

TOS vs. FNDX - Expense Ratio Comparison

TOS has a 0.76% expense ratio, which is higher than FNDX's 0.25% expense ratio.

Dividends

TOS vs. FNDX - Dividend Comparison

TOS has not paid dividends to shareholders, while FNDX's dividend yield for the trailing twelve months is around 1.49%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FNDX Schwab Fundamental U.S. Large Company Index ETF	1.49%	1.63%	1.76%	1.82%	2.07%	1.64%	2.29%	2.23%	2.40%	1.86%	2.01%	2.01%
TOS Twin Oak Strategic Solutions ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both TOS and FNDX in my portfolio?

TOS and FNDX have a correlation of 0.66, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, TOS or FNDX?

On fees, FNDX is cheaper at 0.25% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, TOS or FNDX?

FNDX is cheaper with a 0.25% expense ratio, compared with 0.76% for TOS.

Which ETF pays a higher dividend yield, TOS or FNDX?

FNDX has the higher dividend yield at 1.49%, compared with 0.00% for TOS.

What is the main difference between TOS and FNDX?

TOS is categorized as Large Cap Blend Equities, while FNDX is Large Cap Value Equities. They also come from different issuers: Twin Oak ETF Company and Charles Schwab. Their fees differ too: 0.76% for TOS and 0.25% for FNDX.