IBTM vs. AFIX

Last updated Jun 4, 2026

IBTM (iShares iBonds Dec 2032 Term Treasury ETF) and AFIX (Allspring Broad Market Core Bond ETF) are both Intermediate Core Bond funds. IBTM is passively managed, while AFIX is actively managed. Over the past year, IBTM returned 3.93% vs 5.65% for AFIX. Their correlation of 0.94 suggests significant overlap in exposure. IBTM charges 0.07%/yr vs 0.20%/yr for AFIX.

Performance

IBTM vs. AFIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares iBonds Dec 2032 Term Treasury ETF (IBTM) and Allspring Broad Market Core Bond ETF (AFIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IBTM achieves a -0.50% return, which is significantly lower than AFIX's 0.31% return.

IBTM

• 1D: -0.18%
• 1M: -0.15%
• YTD: -0.50%
• 6M: -0.81%
• 1Y: 3.93%
• 3Y*: 2.68%
• 5Y*: —
• 10Y*: —

AFIX

• 1D: -0.22%
• 1M: 0.23%
• YTD: 0.31%
• 6M: 0.22%
• 1Y: 5.65%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

IBTM vs. AFIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024
IBTM iShares iBonds Dec 2032 Term Treasury ETF	-0.50%	8.06%	-2.06%
AFIX Allspring Broad Market Core Bond ETF	0.31%	7.52%	-1.67%

Correlation

The correlation between IBTM and AFIX is 0.94, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.94
Correlation (All Time) Calculated using the full available price history since Dec 6, 2024	0.94

The correlation between IBTM and AFIX has been stable across timeframes, ranging from 0.94 to 0.94 - a consistent structural relationship.

Return for Risk

IBTM vs. AFIX — Risk / Return Rank

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

IBTM

IBTM Risk / Return Rank: 26
IBTM Sharpe Ratio Rank: 27
IBTM Sortino Ratio Rank: 27
IBTM Omega Ratio Rank: 25
IBTM Calmar Ratio Rank: 26
IBTM Martin Ratio Rank: 26

AFIX

AFIX Risk / Return Rank: 40
AFIX Sharpe Ratio Rank: 41
AFIX Sortino Ratio Rank: 43
AFIX Omega Ratio Rank: 40
AFIX Calmar Ratio Rank: 38
AFIX Martin Ratio Rank: 37

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.

IBTM vs. AFIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2032 Term Treasury ETF (IBTM) and Allspring Broad Market Core Bond ETF (AFIX). 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.

	IBTM	AFIX	Difference
Sharpe ratio: Return per unit of total volatility	0.96	1.43	-0.46
Sortino ratio: Return per unit of downside risk	1.46	2.14	-0.68
Omega ratio: Gain probability vs. loss probability	1.17	1.26	-0.09
Calmar ratio: Return relative to maximum drawdown	1.21	1.83	-0.62
Martin ratio: Return relative to average drawdown	3.51	5.67	-2.17
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IBTM vs. AFIX - Sharpe Ratio Comparison

The current IBTM Sharpe Ratio is 0.96, which is lower than the AFIX Sharpe Ratio of 1.43. The chart below compares the historical Sharpe Ratios of IBTM and AFIX, 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

	IBTM	AFIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.96	1.43	-0.46
Sharpe Ratio (All Time) Calculated using the full available price history	0.20	0.89	-0.69

Drawdowns

IBTM vs. AFIX - Drawdown Comparison

The maximum IBTM drawdown since its inception was -13.60%, which is greater than AFIX's maximum drawdown of -3.33%. Use the drawdown chart below to compare losses from any high point for IBTM and AFIX.

Drawdown Indicators

	IBTM	AFIX	Difference
Max Drawdown Largest peak-to-trough decline	-13.60%	-3.33%	-10.27%
Max Drawdown (1Y) Largest decline over 1 year	-3.26%	-3.10%	-0.16%
Max Drawdown (3Y) Largest decline over 3 years	-7.86%	—	—
Current Drawdown Current decline from peak	-2.38%	-1.88%	-0.50%
Average Drawdown Average peak-to-trough decline	-4.82%	-0.96%	-3.86%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.12%	1.00%	+0.12%

Volatility

IBTM vs. AFIX - Volatility Comparison

The current volatility for iShares iBonds Dec 2032 Term Treasury ETF (IBTM) is 1.20%, while Allspring Broad Market Core Bond ETF (AFIX) has a volatility of 1.42%. This indicates that IBTM experiences smaller price fluctuations and is considered to be less risky than AFIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IBTM	AFIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.20%	1.42%	-0.22%
Volatility (6M) Calculated over the trailing 6-month period	2.75%	2.87%	-0.12%
Volatility (1Y) Calculated over the trailing 1-year period	4.09%	3.97%	+0.12%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.56%	4.55%	+3.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.56%	4.55%	+3.01%

IBTM vs. AFIX - Expense Ratio Comparison

IBTM has a 0.07% expense ratio, which is lower than AFIX's 0.20% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

IBTM vs. AFIX - Dividend Comparison

IBTM's dividend yield for the trailing twelve months is around 3.95%, less than AFIX's 5.02% yield.

Position	TTM	2025	2024	2023	2022
AFIX Allspring Broad Market Core Bond ETF	5.02%	4.94%	0.38%	0.00%	0.00%
IBTM iShares iBonds Dec 2032 Term Treasury ETF	3.95%	3.87%	3.96%	3.39%	1.38%

Frequently Asked Questions

Can I hold both IBTM and AFIX in my portfolio?

With a correlation of 0.94, IBTM and AFIX 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, IBTM or AFIX?

AFIX has higher volatility (1.42%) compared to IBTM (1.20%). In terms of maximum drawdown, IBTM dropped -13.60% vs AFIX's -3.33%.

Which ETF is better, IBTM or AFIX?

On 1-year performance, AFIX leads with 5.65% vs 3.93% for IBTM. On fees, IBTM is cheaper at 0.07% per year. On volatility, IBTM has been the lower-risk option at 1.20%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IBTM or AFIX?

Over the 1-year period, AFIX has performed better with a 5.65% return vs 3.93%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IBTM or AFIX?

IBTM is cheaper with a 0.07% expense ratio, compared with 0.20% for AFIX.

Which ETF pays a higher dividend yield, IBTM or AFIX?

AFIX has the higher dividend yield at 5.02%, compared with 3.95% for IBTM.

What is the main difference between IBTM and AFIX?

They also come from different issuers: iShares and Allspring. Their fees differ too: 0.07% for IBTM and 0.20% for AFIX.

Which has better risk-adjusted returns?

AFIX currently has the higher Sharpe Ratio (1.43 vs 0.96), 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.