SPXB vs. QCON

Last updated Apr 1, 2026

Compare and contrast key facts about ProShares S&P 500 Bond ETF (SPXB) and American Century Quality Convertible Securities ETF (QCON).

SPXB and QCON are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. SPXB is a passively managed fund by ProShares that tracks the performance of the S&P 500 MarketAxess Investment Grade Corporate Bond Index. It was launched on May 1, 2018. QCON is an actively managed fund by American Century. It was launched on Feb 16, 2021.

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.

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%

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 - Expense Ratio Comparison

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

QCON

American Century Quality Convertible Securities ETF

SPXB

ProShares S&P 500 Bond ETF

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.

Dividends

SPXB vs. QCON - Dividend Comparison

Neither SPXB nor QCON has paid dividends to shareholders.

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

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%	—