SUNBX vs. QSTFX

Last updated Jun 5, 2026

SUNBX (Spectrum Unconstrained Fund) and QSTFX (Quantified STF Fund) are both mutual funds - SUNBX is a Nontraditional Bonds fund managed by Advisors Preferred, while QSTFX is a Tactical Allocation fund managed by Advisors Preferred. Over the past 5 years, SUNBX returned 3.53%/yr vs 11.66%/yr for QSTFX. At a 0.37 correlation, their price movements are largely independent. SUNBX charges 2.43%/yr vs 1.55%/yr for QSTFX.

Performance

SUNBX vs. QSTFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Spectrum Unconstrained Fund (SUNBX) and Quantified STF Fund (QSTFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SUNBX achieves a 2.07% return, which is significantly lower than QSTFX's 18.71% return.

SUNBX

• 1D: -0.25%
• 1M: 2.23%
• YTD: 2.07%
• 6M: 3.09%
• 1Y: 8.19%
• 3Y*: 6.70%
• 5Y*: 3.53%
• 10Y*: —

QSTFX

• 1D: -0.16%
• 1M: 9.25%
• YTD: 18.71%
• 6M: 14.48%
• 1Y: 46.98%
• 3Y*: 21.52%
• 5Y*: 11.66%
• 10Y*: 17.95%

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

SUNBX vs. QSTFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
SUNBX Spectrum Unconstrained Fund	2.07%	8.31%	1.35%	10.83%	-8.55%	6.12%
QSTFX Quantified STF Fund	18.71%	-2.48%	29.94%	61.87%	-46.15%	20.11%

Correlation

The correlation between SUNBX and QSTFX is 0.57, 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	0.57
Correlation (3Y) Calculated over the trailing 3-year period	0.42
Correlation (5Y) Calculated over the trailing 5-year period	0.37
Correlation (All Time) Calculated using the full available price history since Apr 19, 2021	0.37

The correlation between SUNBX and QSTFX shifts across timeframes, from 0.37 (5 years) to 0.57 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

SUNBX vs. QSTFX — Risk / Return Rank

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

SUNBX

SUNBX Risk / Return Rank: 44
SUNBX Sharpe Ratio Rank: 49
SUNBX Sortino Ratio Rank: 45
SUNBX Omega Ratio Rank: 64
SUNBX Calmar Ratio Rank: 36
SUNBX Martin Ratio Rank: 23

QSTFX

QSTFX Risk / Return Rank: 41
QSTFX Sharpe Ratio Rank: 44
QSTFX Sortino Ratio Rank: 36
QSTFX Omega Ratio Rank: 45
QSTFX Calmar Ratio Rank: 51
QSTFX Martin Ratio Rank: 31

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.

SUNBX vs. QSTFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Spectrum Unconstrained Fund (SUNBX) and Quantified STF Fund (QSTFX). 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.

	SUNBX	QSTFX	Difference
Sharpe ratio: Return per unit of total volatility	1.99	1.90	+0.10
Sortino ratio: Return per unit of downside risk	2.75	2.45	+0.31
Omega ratio: Gain probability vs. loss probability	1.43	1.36	+0.07
Calmar ratio: Return relative to maximum drawdown	2.17	2.69	-0.52
Martin ratio: Return relative to average drawdown	5.53	6.88	-1.34
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SUNBX vs. QSTFX - Sharpe Ratio Comparison

The current SUNBX Sharpe Ratio is 1.99, which is comparable to the QSTFX Sharpe Ratio of 1.90. The chart below compares the historical Sharpe Ratios of SUNBX and QSTFX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	SUNBX	QSTFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.99	1.90	+0.10
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.70	0.43	+0.27
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.65	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.74	0.57	+0.17

Drawdowns

SUNBX vs. QSTFX - Drawdown Comparison

The maximum SUNBX drawdown since its inception was -10.36%, smaller than the maximum QSTFX drawdown of -49.03%. Use the drawdown chart below to compare losses from any high point for SUNBX and QSTFX.

Drawdown Indicators

	SUNBX	QSTFX	Difference
Max Drawdown Largest peak-to-trough decline	-10.36%	-49.03%	+38.67%
Max Drawdown (1Y) Largest decline over 1 year	-3.84%	-17.87%	+14.03%
Max Drawdown (3Y) Largest decline over 3 years	-3.84%	-32.22%	+28.38%
Max Drawdown (5Y) Largest decline over 5 years	-10.36%	-49.03%	+38.67%
Max Drawdown (10Y) Largest decline over 10 years	—	-49.03%	—
Current Drawdown Current decline from peak	-0.44%	-0.16%	-0.28%
Average Drawdown Average peak-to-trough decline	-3.58%	-15.49%	+11.91%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.50%	6.97%	-5.47%

Volatility

SUNBX vs. QSTFX - Volatility Comparison

The current volatility for Spectrum Unconstrained Fund (SUNBX) is 1.48%, while Quantified STF Fund (QSTFX) has a volatility of 6.15%. This indicates that SUNBX experiences smaller price fluctuations and is considered to be less risky than QSTFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SUNBX	QSTFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.48%	6.15%	-4.67%
Volatility (6M) Calculated over the trailing 6-month period	3.42%	18.80%	-15.38%
Volatility (1Y) Calculated over the trailing 1-year period	4.19%	25.38%	-21.19%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.06%	27.10%	-22.04%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.01%	27.89%	-22.88%

SUNBX vs. QSTFX - Expense Ratio Comparison

SUNBX has a 2.43% expense ratio, which is higher than QSTFX's 1.55% expense ratio.

Dividends

SUNBX vs. QSTFX - Dividend Comparison

SUNBX's dividend yield for the trailing twelve months is around 2.78%, less than QSTFX's 8.97% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
QSTFX Quantified STF Fund	8.97%	10.65%	5.12%	1.03%	0.00%	21.93%	20.82%	0.52%	2.57%	39.11%	0.01%
SUNBX Spectrum Unconstrained Fund	2.78%	2.84%	3.75%	2.81%	0.00%	8.52%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both SUNBX and QSTFX in my portfolio?

SUNBX and QSTFX have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SUNBX or QSTFX?

QSTFX has higher volatility (6.15%) compared to SUNBX (1.48%). In terms of maximum drawdown, SUNBX dropped -10.36% vs QSTFX's -49.03%.

Which has better risk-adjusted returns?

SUNBX currently has the higher Sharpe Ratio (1.99 vs 1.90), 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.