RFXIX vs. BND

Last updated Jun 23, 2026

RFXIX (Rational Special Situations Income Fund) and BND (Vanguard Total Bond Market ETF) are both funds - RFXIX is a Multisector Bonds fund managed by Rational Funds, while BND is a Total Bond Market fund tracking the Bloomberg U.S. Aggregate Float Adjusted Index. Over the past 5 years, RFXIX returned 4.22%/yr vs 0.04%/yr for BND. At a 0.46 correlation, their price movements are largely independent. RFXIX charges 1.76%/yr vs 0.03%/yr for BND.

Performance

RFXIX vs. BND - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Rational Special Situations Income Fund (RFXIX) and Vanguard Total Bond Market ETF (BND). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RFXIX achieves a 1.90% return, which is significantly higher than BND's 0.38% return.

RFXIX

• 1D: 0.00%
• 1M: 0.40%
• YTD: 1.90%
• 6M: 1.76%
• 1Y: 4.94%
• 3Y*: 5.70%
• 5Y*: 4.22%
• 10Y*: —

BND

• 1D: -0.27%
• 1M: 0.53%
• YTD: 0.38%
• 6M: 0.45%
• 1Y: 4.37%
• 3Y*: 3.92%
• 5Y*: 0.04%
• 10Y*: 1.55%

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

RFXIX vs. BND - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
RFXIX Rational Special Situations Income Fund	1.90%	4.73%	8.95%	4.08%	-0.85%	5.30%	2.84%	1.91%
BND Vanguard Total Bond Market ETF	0.38%	7.08%	1.38%	5.65%	-13.11%	-1.86%	7.71%	2.94%

Correlation

The correlation between RFXIX and BND is 0.62, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.62
Correlation (3Y) Calculated over the trailing 3-year period	0.60
Correlation (5Y) Calculated over the trailing 5-year period	0.55
Correlation (All Time) Calculated using the full available price history since Jul 17, 2019	0.46

The correlation between RFXIX and BND shifts across timeframes, from 0.46 (all time) to 0.62 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

RFXIX vs. BND — Risk / Return Rank

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

RFXIX

RFXIX Risk / Return Rank: 98
RFXIX Sharpe Ratio Rank: 98
RFXIX Sortino Ratio Rank: 97
RFXIX Omega Ratio Rank: 98
RFXIX Calmar Ratio Rank: 97
RFXIX Martin Ratio Rank: 98

BND

BND Risk / Return Rank: 33
BND Sharpe Ratio Rank: 33
BND Sortino Ratio Rank: 34
BND Omega Ratio Rank: 31
BND Calmar Ratio Rank: 33
BND Martin Ratio Rank: 33

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.

RFXIX vs. BND - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Rational Special Situations Income Fund (RFXIX) and Vanguard Total Bond Market ETF (BND). 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.

	RFXIX	BND	Difference
Sharpe ratio: Return per unit of total volatility	3.55	1.18	+2.38
Sortino ratio: Return per unit of downside risk	5.30	1.76	+3.55
Omega ratio: Gain probability vs. loss probability	2.06	1.21	+0.86
Calmar ratio: Return relative to maximum drawdown	6.87	1.64	+5.23
Martin ratio: Return relative to average drawdown	28.12	4.69	+23.43

RFXIX vs. BND - Sharpe Ratio Comparison

The current RFXIX Sharpe Ratio is 3.55, which is higher than the BND Sharpe Ratio of 1.18. The chart below compares the historical Sharpe Ratios of RFXIX and BND, 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

RFXIX vs. BND - Drawdown Comparison

The maximum RFXIX drawdown since its inception was -12.91%, smaller than the maximum BND drawdown of -18.58%. Use the drawdown chart below to compare losses from any high point for RFXIX and BND.

Drawdown Indicators

	RFXIX	BND	Difference
Max Drawdown Largest peak-to-trough decline	-12.91%	-18.58%	+5.67%
Max Drawdown (1Y) Largest decline over 1 year	-0.72%	-2.68%	+1.96%
Max Drawdown (3Y) Largest decline over 3 years	-1.05%	-5.92%	+4.87%
Max Drawdown (5Y) Largest decline over 5 years	-4.93%	-17.91%	+12.98%
Max Drawdown (10Y) Largest decline over 10 years	—	-18.58%	—
Current Drawdown Current decline from peak	-0.11%	-2.26%	+2.15%
Average Drawdown Average peak-to-trough decline	-0.86%	-3.06%	+2.20%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.18%	0.93%	-0.75%

Volatility

RFXIX vs. BND - Volatility Comparison

The current volatility for Rational Special Situations Income Fund (RFXIX) is 0.38%, while Vanguard Total Bond Market ETF (BND) has a volatility of 1.08%. This indicates that RFXIX experiences smaller price fluctuations and is considered to be less risky than BND based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RFXIX	BND	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.38%	1.08%	-0.70%
Volatility (6M) Calculated over the trailing 6-month period	0.78%	2.77%	-1.99%
Volatility (1Y) Calculated over the trailing 1-year period	1.40%	3.74%	-2.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.96%	6.03%	-4.07%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.94%	5.54%	-2.60%

RFXIX vs. BND - Expense Ratio Comparison

RFXIX has a 1.76% expense ratio, which is higher than BND's 0.03% expense ratio.

Dividends

RFXIX vs. BND - Dividend Comparison

RFXIX's dividend yield for the trailing twelve months is around 5.39%, more than BND's 3.96% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BND Vanguard Total Bond Market ETF	3.96%	3.86%	3.67%	3.09%	2.60%	2.12%	2.38%	2.72%	2.81%	2.54%	2.51%	2.57%
RFXIX Rational Special Situations Income Fund	5.39%	5.02%	6.69%	7.85%	6.08%	5.04%	4.99%	1.39%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both RFXIX and BND in my portfolio?

RFXIX and BND have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RFXIX or BND?

BND has higher volatility (1.08%) compared to RFXIX (0.38%). In terms of maximum drawdown, RFXIX dropped -12.91% vs BND's -18.58%.

Which has better risk-adjusted returns?

RFXIX currently has the higher Sharpe Ratio (3.55 vs 1.18), 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.