MYCI vs. MAGG

Last updated Jun 23, 2026

MYCI (State Street My2029 Corporate Bond ETF) and MAGG (Madison Aggregate Bond ETF) are both exchange-traded funds - MYCI is a Corporate Bonds fund actively managed by State Street, while MAGG is a Intermediate Core Bond fund actively managed by Madison. Both are actively managed. Over the past year, MYCI returned 4.27% vs 4.71% for MAGG. A 0.76 correlation means they provide meaningful diversification when combined. MYCI charges 0.15%/yr vs 0.40%/yr for MAGG.

Performance

MYCI vs. MAGG - Performance Comparison

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

Returns By Period

In the year-to-date period, MYCI achieves a 0.40% return, which is significantly higher than MAGG's 0.25% return.

MYCI

• 1D: -0.12%
• 1M: 0.18%
• YTD: 0.40%
• 6M: 0.69%
• 1Y: 4.27%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MAGG

• 1D: -0.39%
• 1M: 0.71%
• YTD: 0.25%
• 6M: 0.51%
• 1Y: 4.71%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MYCI vs. MAGG - Yearly Performance Comparison

	2026 (YTD)	2025	2024
MYCI State Street My2029 Corporate Bond ETF	0.40%	7.59%	-1.58%
MAGG Madison Aggregate Bond ETF	0.25%	7.28%	-2.84%

Correlation

The correlation between MYCI and MAGG is 0.70, 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	0.70
Correlation (All Time) Calculated using the full available price history since Sep 24, 2024	0.76

The correlation between MYCI and MAGG has been stable across timeframes, ranging from 0.70 to 0.76 - a consistent structural relationship.

Return for Risk

MYCI vs. MAGG — Risk / Return Rank

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

MYCI

MYCI Risk / Return Rank: 61
MYCI Sharpe Ratio Rank: 61
MYCI Sortino Ratio Rank: 66
MYCI Omega Ratio Rank: 65
MYCI Calmar Ratio Rank: 57
MYCI Martin Ratio Rank: 57

MAGG

MAGG Risk / Return Rank: 34
MAGG Sharpe Ratio Rank: 34
MAGG Sortino Ratio Rank: 36
MAGG Omega Ratio Rank: 34
MAGG Calmar Ratio Rank: 34
MAGG Martin Ratio Rank: 34

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.

MYCI vs. MAGG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street My2029 Corporate Bond ETF (MYCI) and Madison Aggregate Bond ETF (MAGG). 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.

	MYCI	MAGG	Difference
Sharpe ratio: Return per unit of total volatility	1.97	1.20	+0.77
Sortino ratio: Return per unit of downside risk	2.95	1.84	+1.11
Omega ratio: Gain probability vs. loss probability	1.38	1.22	+0.16
Calmar ratio: Return relative to maximum drawdown	2.74	1.65	+1.09
Martin ratio: Return relative to average drawdown	9.80	4.83	+4.97

MYCI vs. MAGG - Sharpe Ratio Comparison

The current MYCI Sharpe Ratio is 1.97, which is higher than the MAGG Sharpe Ratio of 1.20. The chart below compares the historical Sharpe Ratios of MYCI and MAGG, 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

MYCI vs. MAGG - Drawdown Comparison

The maximum MYCI drawdown since its inception was -2.43%, smaller than the maximum MAGG drawdown of -4.56%. Use the drawdown chart below to compare losses from any high point for MYCI and MAGG.

Drawdown Indicators

	MYCI	MAGG	Difference
Max Drawdown Largest peak-to-trough decline	-2.43%	-4.56%	+2.13%
Max Drawdown (1Y) Largest decline over 1 year	-1.56%	-2.86%	+1.30%
Current Drawdown Current decline from peak	-0.60%	-1.43%	+0.83%
Average Drawdown Average peak-to-trough decline	-0.54%	-1.25%	+0.71%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.44%	0.98%	-0.54%

Volatility

MYCI vs. MAGG - Volatility Comparison

The current volatility for State Street My2029 Corporate Bond ETF (MYCI) is 0.68%, while Madison Aggregate Bond ETF (MAGG) has a volatility of 0.87%. This indicates that MYCI experiences smaller price fluctuations and is considered to be less risky than MAGG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MYCI	MAGG	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.68%	0.87%	-0.19%
Volatility (6M) Calculated over the trailing 6-month period	1.59%	2.66%	-1.07%
Volatility (1Y) Calculated over the trailing 1-year period	2.18%	3.95%	-1.77%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.01%	4.73%	-1.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.01%	4.73%	-1.72%

MYCI vs. MAGG - Expense Ratio Comparison

MYCI has a 0.15% expense ratio, which is lower than MAGG's 0.40% expense ratio.

Dividends

MYCI vs. MAGG - Dividend Comparison

MYCI's dividend yield for the trailing twelve months is around 4.57%, less than MAGG's 4.73% yield.

Position	TTM	2025	2024	2023
MAGG Madison Aggregate Bond ETF	4.73%	4.80%	5.13%	1.49%
MYCI State Street My2029 Corporate Bond ETF	4.57%	4.56%	1.19%	0.00%

Frequently Asked Questions

Can I hold both MYCI and MAGG in my portfolio?

MYCI and MAGG have a correlation of 0.70, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MYCI or MAGG?

MAGG has higher volatility (0.87%) compared to MYCI (0.68%). In terms of maximum drawdown, MYCI dropped -2.43% vs MAGG's -4.56%.

Which ETF is better, MYCI or MAGG?

On 1-year performance, MAGG leads with 4.71% vs 4.27% for MYCI. On fees, MYCI is cheaper at 0.15% per year. On volatility, MYCI has been the lower-risk option at 0.68%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MYCI or MAGG?

Over the 1-year period, MAGG has performed better with a 4.71% return vs 4.27%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MYCI or MAGG?

MYCI is cheaper with a 0.15% expense ratio, compared with 0.40% for MAGG.

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

MAGG has the higher dividend yield at 4.73%, compared with 4.57% for MYCI.

What is the main difference between MYCI and MAGG?

MYCI is categorized as Corporate Bonds, while MAGG is Intermediate Core Bond. They also come from different issuers: State Street and Madison. Their fees differ too: 0.15% for MYCI and 0.40% for MAGG.

Which has better risk-adjusted returns?

MYCI currently has the higher Sharpe Ratio (1.97 vs 1.20), 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.