SPXB vs. QCON

Last updated Jun 4, 2026

SPXB (ProShares S&P 500 Bond ETF) and QCON (American Century Quality Convertible Securities ETF) are both Corporate Bonds funds. SPXB is passively managed, while QCON is actively managed. SPXB charges 0.15%/yr vs 0.32%/yr for QCON.

Performance

SPXB vs. QCON - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares S&P 500 Bond ETF (SPXB) and American Century Quality Convertible Securities ETF (QCON). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

SPXB

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 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)

SPXB vs. QCON - Yearly Performance Comparison

	2026 (YTD)
SPXB ProShares S&P 500 Bond ETF	0.00%
QCON American Century Quality Convertible Securities ETF	0.00%

Return for Risk

SPXB vs. QCON - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares S&P 500 Bond ETF (SPXB) 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Drawdowns

Drawdown Indicators

	SPXB	QCON	Difference
Max Drawdown Largest peak-to-trough decline	—	0.00%	—
Current Drawdown Current decline from peak	—	0.00%	—
Average Drawdown Average peak-to-trough decline	—	0.00%	—

Volatility

Volatility by Period

	SPXB	QCON	Difference
Volatility (1Y) Calculated over the trailing 1-year period	—	0.00%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	0.00%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	0.00%	—

SPXB vs. QCON - Expense Ratio Comparison

SPXB has a 0.15% expense ratio, which is lower than QCON's 0.32% expense ratio.

Dividends

SPXB vs. QCON - Dividend Comparison

Neither SPXB nor QCON has paid dividends to shareholders.

Position	TTM	2024	2023	2022	2021	2020	2019	2018
QCON American Century Quality Convertible Securities ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SPXB ProShares S&P 500 Bond ETF	0.00%	1.22%	4.04%	3.14%	2.00%	2.64%	3.48%	2.52%

Frequently Asked Questions

Which ETF is better, SPXB or QCON?

On fees, SPXB is cheaper at 0.15% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, SPXB or QCON?

SPXB is cheaper with a 0.15% expense ratio, compared with 0.32% for QCON.

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

SPXB and QCON have nearly identical dividend yields, around 0.00%.

What is the main difference between SPXB and QCON?

They also come from different issuers: ProShares and American Century. Their fees differ too: 0.15% for SPXB and 0.32% for QCON.