IBDZ vs. QCON

Last updated Jun 4, 2026

IBDZ (iShares iBonds Dec 2034 Term Corporate ETF) and QCON (American Century Quality Convertible Securities ETF) are both Corporate Bonds funds. IBDZ is passively managed, while QCON is actively managed. IBDZ charges 0.10%/yr vs 0.32%/yr for QCON.

Performance

IBDZ vs. QCON - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares iBonds Dec 2034 Term Corporate ETF (IBDZ) and American Century Quality Convertible Securities ETF (QCON). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

IBDZ

• 1D: -0.19%
• 1M: 0.37%
• YTD: 0.34%
• 6M: 0.33%
• 1Y: 6.65%
• 3Y*: —
• 5Y*: —
• 10Y*: —

QCON

• 1D: 0.00%
• 1M: 0.00%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

IBDZ vs. QCON - Yearly Performance Comparison

	2026 (YTD)
IBDZ iShares iBonds Dec 2034 Term Corporate ETF	-0.21%
QCON American Century Quality Convertible Securities ETF	0.00%

Return for Risk

IBDZ vs. QCON — Risk / Return Rank

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

IBDZ

IBDZ Risk / Return Rank: 42
IBDZ Sharpe Ratio Rank: 40
IBDZ Sortino Ratio Rank: 42
IBDZ Omega Ratio Rank: 38
IBDZ Calmar Ratio Rank: 45
IBDZ Martin Ratio Rank: 44

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.

IBDZ vs. QCON - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2034 Term Corporate ETF (IBDZ) and American Century Quality Convertible Securities ETF (QCON). 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.

	IBDZ	QCON	Difference
Sharpe ratio: Return per unit of total volatility	1.41	—	—
Sortino ratio: Return per unit of downside risk	2.09	—	—
Omega ratio: Gain probability vs. loss probability	1.24	—	—
Calmar ratio: Return relative to maximum drawdown	2.19	—	—
Martin ratio: Return relative to average drawdown	7.12	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	IBDZ	QCON	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.41	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.06	—	—

Drawdowns

IBDZ vs. QCON - Drawdown Comparison

The maximum IBDZ drawdown since its inception was -5.57%, which is greater than QCON's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for IBDZ and QCON.

Drawdown Indicators

	IBDZ	QCON	Difference
Max Drawdown Largest peak-to-trough decline	-5.57%	0.00%	-5.57%
Max Drawdown (1Y) Largest decline over 1 year	-3.04%	—	—
Current Drawdown Current decline from peak	-1.26%	0.00%	-1.26%
Average Drawdown Average peak-to-trough decline	-1.28%	0.00%	-1.28%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.94%	—	—

Volatility

Volatility by Period

	IBDZ	QCON	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.43%	—	—
Volatility (6M) Calculated over the trailing 6-month period	3.32%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	4.74%	0.00%	+4.74%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.27%	0.00%	+6.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.27%	0.00%	+6.27%

IBDZ vs. QCON - Expense Ratio Comparison

IBDZ has a 0.10% expense ratio, which is lower than QCON's 0.32% expense ratio.

Dividends

IBDZ vs. QCON - Dividend Comparison

IBDZ's dividend yield for the trailing twelve months is around 4.86%, while QCON has not paid dividends to shareholders.

Position	TTM	2025	2024
IBDZ iShares iBonds Dec 2034 Term Corporate ETF	4.86%	4.85%	2.50%
QCON American Century Quality Convertible Securities ETF	0.00%	0.00%	0.00%

Frequently Asked Questions

Which ETF is better, IBDZ or QCON?

On fees, IBDZ is cheaper at 0.10% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, IBDZ or QCON?

IBDZ is cheaper with a 0.10% expense ratio, compared with 0.32% for QCON.

Which ETF pays a higher dividend yield, IBDZ or QCON?

IBDZ has the higher dividend yield at 4.86%, compared with 0.00% for QCON.

What is the main difference between IBDZ and QCON?

They also come from different issuers: iShares and American Century. Their fees differ too: 0.10% for IBDZ and 0.32% for QCON.