INPAX vs. TIBIX

Last updated Jun 25, 2026

INPAX (American Funds Conservative Growth and Income Portfolio) and TIBIX (Thornburg Investment Income Builder Fund Class I) are both Diversified Portfolio funds. Over the past 10 years, INPAX returned 7.22%/yr vs 12.91%/yr for TIBIX. Their correlation of 0.83 suggests significant overlap in exposure. INPAX charges 0.33%/yr vs 0.93%/yr for TIBIX.

Performance

INPAX vs. TIBIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Funds Conservative Growth and Income Portfolio (INPAX) and Thornburg Investment Income Builder Fund Class I (TIBIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, INPAX achieves a 3.88% return, which is significantly lower than TIBIX's 16.73% return. Over the past 10 years, INPAX has underperformed TIBIX with an annualized return of 7.22%, while TIBIX has yielded a comparatively higher 12.91% annualized return.

INPAX

• 1D: -0.20%
• 1M: 0.27%
• YTD: 3.88%
• 6M: 3.50%
• 1Y: 10.96%
• 3Y*: 11.22%
• 5Y*: 6.14%
• 10Y*: 7.22%

TIBIX

• 1D: -0.68%
• 1M: -0.12%
• YTD: 16.73%
• 6M: 17.22%
• 1Y: 35.46%
• 3Y*: 26.02%
• 5Y*: 16.26%
• 10Y*: 12.91%

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

INPAX vs. TIBIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
INPAX American Funds Conservative Growth and Income Portfolio	3.88%	13.33%	9.26%	9.53%	-8.71%	12.96%	5.72%	15.82%	-3.60%	11.57%
TIBIX Thornburg Investment Income Builder Fund Class I	16.73%	37.01%	13.48%	18.28%	-7.69%	20.36%	-0.40%	18.01%	-4.31%	15.23%

Correlation

The correlation between INPAX and TIBIX is 0.72, 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	0.72
Correlation (3Y) Calculated over the trailing 3-year period	0.76
Correlation (5Y) Calculated over the trailing 5-year period	0.79
Correlation (10Y) Calculated over the trailing 10-year period	0.82
Correlation (All Time) Calculated using the full available price history since May 21, 2012	0.83

The correlation between INPAX and TIBIX shifts across timeframes, from 0.72 (1 year) to 0.83 (all time), reflecting how their relationship changes across market environments.

Return for Risk

INPAX vs. TIBIX — Risk / Return Rank

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

INPAX

INPAX Risk / Return Rank: 45
INPAX Sharpe Ratio Rank: 48
INPAX Sortino Ratio Rank: 48
INPAX Omega Ratio Rank: 51
INPAX Calmar Ratio Rank: 32
INPAX Martin Ratio Rank: 43

TIBIX

TIBIX Risk / Return Rank: 98
TIBIX Sharpe Ratio Rank: 99
TIBIX Sortino Ratio Rank: 98
TIBIX Omega Ratio Rank: 96
TIBIX Calmar Ratio Rank: 97
TIBIX Martin Ratio Rank: 97

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.

INPAX vs. TIBIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Funds Conservative Growth and Income Portfolio (INPAX) and Thornburg Investment Income Builder Fund Class I (TIBIX). 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.

	INPAX	TIBIX	Difference
Sharpe ratio: Return per unit of total volatility	1.86	4.14	-2.28
Sortino ratio: Return per unit of downside risk	2.62	5.88	-3.26
Omega ratio: Gain probability vs. loss probability	1.35	1.82	-0.46
Calmar ratio: Return relative to maximum drawdown	1.98	6.78	-4.80
Martin ratio: Return relative to average drawdown	8.55	25.90	-17.35

INPAX vs. TIBIX - Sharpe Ratio Comparison

The current INPAX Sharpe Ratio is 1.86, which is lower than the TIBIX Sharpe Ratio of 4.14. The chart below compares the historical Sharpe Ratios of INPAX and TIBIX, 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

INPAX vs. TIBIX - Drawdown Comparison

The maximum INPAX drawdown since its inception was -21.25%, smaller than the maximum TIBIX drawdown of -48.88%. Use the drawdown chart below to compare losses from any high point for INPAX and TIBIX.

Drawdown Indicators

	INPAX	TIBIX	Difference
Max Drawdown Largest peak-to-trough decline	-21.25%	-48.88%	+27.63%
Max Drawdown (1Y) Largest decline over 1 year	-5.89%	-5.39%	-0.50%
Max Drawdown (3Y) Largest decline over 3 years	-7.77%	-9.23%	+1.46%
Max Drawdown (5Y) Largest decline over 5 years	-15.36%	-20.79%	+5.43%
Max Drawdown (10Y) Largest decline over 10 years	-21.25%	-34.85%	+13.60%
Current Drawdown Current decline from peak	-0.81%	-1.04%	+0.23%
Average Drawdown Average peak-to-trough decline	-2.30%	-5.95%	+3.65%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.36%	1.41%	-0.05%

Volatility

INPAX vs. TIBIX - Volatility Comparison

The current volatility for American Funds Conservative Growth and Income Portfolio (INPAX) is 1.98%, while Thornburg Investment Income Builder Fund Class I (TIBIX) has a volatility of 2.91%. This indicates that INPAX experiences smaller price fluctuations and is considered to be less risky than TIBIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	INPAX	TIBIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.98%	2.91%	-0.93%
Volatility (6M) Calculated over the trailing 6-month period	5.10%	7.38%	-2.28%
Volatility (1Y) Calculated over the trailing 1-year period	6.27%	8.82%	-2.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.58%	11.19%	-3.61%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	8.34%	13.46%	-5.12%

INPAX vs. TIBIX - Expense Ratio Comparison

INPAX has a 0.33% expense ratio, which is lower than TIBIX's 0.93% expense ratio.

Dividends

INPAX vs. TIBIX - Dividend Comparison

INPAX's dividend yield for the trailing twelve months is around 4.69%, less than TIBIX's 5.16% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
INPAX American Funds Conservative Growth and Income Portfolio	4.69%	4.87%	5.21%	4.82%	4.90%	4.43%	5.59%	4.57%	4.85%	3.29%	3.58%	3.90%
TIBIX Thornburg Investment Income Builder Fund Class I	5.16%	5.83%	5.67%	4.89%	5.89%	5.33%	4.31%	4.46%	4.77%	4.52%	4.14%	4.66%

Frequently Asked Questions

Can I hold both INPAX and TIBIX in my portfolio?

INPAX and TIBIX have a correlation of 0.72, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, INPAX or TIBIX?

TIBIX has higher volatility (2.91%) compared to INPAX (1.98%). In terms of maximum drawdown, INPAX dropped -21.25% vs TIBIX's -48.88%.

Which has better risk-adjusted returns?

TIBIX currently has the higher Sharpe Ratio (4.14 vs 1.86), 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.