BFIX vs. MYCI

Last updated Jun 24, 2026

BFIX (Build Bond Innovation ETF) and MYCI (State Street My2029 Corporate Bond ETF) are both exchange-traded funds - BFIX is a Intermediate Core Bond fund actively managed by Build, while MYCI is a Corporate Bonds fund actively managed by State Street. Both are actively managed. Over the past year, BFIX returned 3.71% vs 4.23% for MYCI. At a 0.38 correlation, their price movements are largely independent. BFIX charges 0.45%/yr vs 0.15%/yr for MYCI.

Performance

BFIX vs. MYCI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Build Bond Innovation ETF (BFIX) and State Street My2029 Corporate Bond ETF (MYCI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BFIX achieves a 0.67% return, which is significantly higher than MYCI's 0.55% return.

BFIX

• 1D: -0.12%
• 1M: -0.45%
• YTD: 0.67%
• 6M: -0.05%
• 1Y: 3.71%
• 3Y*: 7.39%
• 5Y*: —
• 10Y*: —

MYCI

• 1D: 0.14%
• 1M: 0.33%
• YTD: 0.55%
• 6M: 0.87%
• 1Y: 4.23%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BFIX vs. MYCI - Yearly Performance Comparison

	2026 (YTD)	2025	2024
BFIX Build Bond Innovation ETF	0.67%	5.91%	3.95%
MYCI State Street My2029 Corporate Bond ETF	0.55%	7.59%	-1.58%

Correlation

The correlation between BFIX and MYCI is 0.38, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.38
Correlation (All Time) Calculated using the full available price history since Sep 24, 2024	0.38

Return for Risk

BFIX vs. MYCI — Risk / Return Rank

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

BFIX

BFIX Risk / Return Rank: 50
BFIX Sharpe Ratio Rank: 39
BFIX Sortino Ratio Rank: 41
BFIX Omega Ratio Rank: 40
BFIX Calmar Ratio Rank: 78
BFIX Martin Ratio Rank: 54

MYCI

MYCI Risk / Return Rank: 65
MYCI Sharpe Ratio Rank: 66
MYCI Sortino Ratio Rank: 72
MYCI Omega Ratio Rank: 69
MYCI Calmar Ratio Rank: 60
MYCI Martin Ratio Rank: 59

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.

BFIX vs. MYCI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Build Bond Innovation ETF (BFIX) and State Street My2029 Corporate Bond ETF (MYCI). 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.

	BFIX	MYCI	Difference
Sharpe ratio: Return per unit of total volatility	1.30	1.95	-0.65
Sortino ratio: Return per unit of downside risk	1.98	2.92	-0.94
Omega ratio: Gain probability vs. loss probability	1.25	1.37	-0.13
Calmar ratio: Return relative to maximum drawdown	3.76	2.71	+1.05
Martin ratio: Return relative to average drawdown	8.83	9.68	-0.85

BFIX vs. MYCI - Sharpe Ratio Comparison

The current BFIX Sharpe Ratio is 1.30, which is lower than the MYCI Sharpe Ratio of 1.95. The chart below compares the historical Sharpe Ratios of BFIX and MYCI, 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

BFIX vs. MYCI - Drawdown Comparison

The maximum BFIX drawdown since its inception was -8.54%, which is greater than MYCI's maximum drawdown of -2.43%. Use the drawdown chart below to compare losses from any high point for BFIX and MYCI.

Drawdown Indicators

	BFIX	MYCI	Difference
Max Drawdown Largest peak-to-trough decline	-8.54%	-2.43%	-6.11%
Max Drawdown (1Y) Largest decline over 1 year	-0.99%	-1.56%	+0.57%
Max Drawdown (3Y) Largest decline over 3 years	-4.05%	—	—
Current Drawdown Current decline from peak	-0.99%	-0.46%	-0.53%
Average Drawdown Average peak-to-trough decline	-2.99%	-0.54%	-2.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.42%	0.44%	-0.02%

Volatility

BFIX vs. MYCI - Volatility Comparison

The current volatility for Build Bond Innovation ETF (BFIX) is 0.63%, while State Street My2029 Corporate Bond ETF (MYCI) has a volatility of 0.69%. This indicates that BFIX experiences smaller price fluctuations and is considered to be less risky than MYCI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BFIX	MYCI	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.63%	0.69%	-0.06%
Volatility (6M) Calculated over the trailing 6-month period	1.72%	1.59%	+0.13%
Volatility (1Y) Calculated over the trailing 1-year period	2.86%	2.18%	+0.68%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.76%	3.01%	+1.75%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.76%	3.01%	+1.75%

BFIX vs. MYCI - Expense Ratio Comparison

BFIX has a 0.45% expense ratio, which is higher than MYCI's 0.15% expense ratio.

Dividends

BFIX vs. MYCI - Dividend Comparison

BFIX's dividend yield for the trailing twelve months is around 3.55%, less than MYCI's 4.57% yield.

Position	TTM	2025	2024	2023	2022
BFIX Build Bond Innovation ETF	3.55%	3.73%	4.38%	4.30%	1.58%
MYCI State Street My2029 Corporate Bond ETF	4.57%	4.56%	1.19%	0.00%	0.00%

Frequently Asked Questions

Can I hold both BFIX and MYCI in my portfolio?

BFIX and MYCI have a correlation of 0.38, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BFIX or MYCI?

MYCI has higher volatility (0.69%) compared to BFIX (0.63%). In terms of maximum drawdown, BFIX dropped -8.54% vs MYCI's -2.43%.

Which ETF is better, BFIX or MYCI?

On 1-year performance, MYCI leads with 4.23% vs 3.71% for BFIX. On fees, MYCI is cheaper at 0.15% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, BFIX or MYCI?

Over the 1-year period, MYCI has performed better with a 4.23% return vs 3.71%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, BFIX or MYCI?

MYCI is cheaper with a 0.15% expense ratio, compared with 0.45% for BFIX.

Which ETF pays a higher dividend yield, BFIX or MYCI?

MYCI has the higher dividend yield at 4.57%, compared with 3.55% for BFIX.

What is the main difference between BFIX and MYCI?

BFIX is categorized as Intermediate Core Bond, while MYCI is Corporate Bonds. They also come from different issuers: Build and State Street. Their fees differ too: 0.45% for BFIX and 0.15% for MYCI.

Which has better risk-adjusted returns?

MYCI currently has the higher Sharpe Ratio (1.95 vs 1.30), 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.