RKNG vs. ONLN

Last updated Jun 23, 2026

RKNG (Defiance Retail Kings ETF) and ONLN (ProShares Online Retail ETF) are both Consumer Discretionary Equities funds. RKNG is actively managed, while ONLN is passively managed. A 0.53 correlation means they provide meaningful diversification when combined. RKNG charges 0.79%/yr vs 0.58%/yr for ONLN.

Performance

RKNG vs. ONLN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Defiance Retail Kings ETF (RKNG) and ProShares Online Retail ETF (ONLN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

RKNG

• 1D: 0.37%
• 1M: 6.95%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

ONLN

• 1D: -3.29%
• 1M: -6.53%
• YTD: -9.47%
• 6M: -10.04%
• 1Y: 9.08%
• 3Y*: 19.43%
• 5Y*: -7.59%
• 10Y*: —

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

RKNG vs. ONLN - Yearly Performance Comparison

	2026 (YTD)
RKNG Defiance Retail Kings ETF	18.70%
ONLN ProShares Online Retail ETF	-13.01%

Correlation

The correlation between RKNG and ONLN is 0.53, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jan 22, 2026	0.53

Return for Risk

RKNG vs. ONLN — Risk / Return Rank

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

RKNG

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

ONLN

ONLN Risk / Return Rank: 13
ONLN Sharpe Ratio Rank: 14
ONLN Sortino Ratio Rank: 13
ONLN Omega Ratio Rank: 13
ONLN Calmar Ratio Rank: 13
ONLN Martin Ratio Rank: 14

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.

RKNG vs. ONLN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Defiance Retail Kings ETF (RKNG) and ProShares Online Retail ETF (ONLN). 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.

	RKNG	ONLN	Difference
Sharpe ratio: Return per unit of total volatility	—	0.37	—
Sortino ratio: Return per unit of downside risk	—	0.67	—
Omega ratio: Gain probability vs. loss probability	—	1.08	—
Calmar ratio: Return relative to maximum drawdown	—	0.46	—
Martin ratio: Return relative to average drawdown	—	1.10	—

Drawdowns

RKNG vs. ONLN - Drawdown Comparison

The maximum RKNG drawdown since its inception was -34.21%, smaller than the maximum ONLN drawdown of -71.77%. Use the drawdown chart below to compare losses from any high point for RKNG and ONLN.

Drawdown Indicators

	RKNG	ONLN	Difference
Max Drawdown Largest peak-to-trough decline	-34.21%	-71.77%	+37.56%
Max Drawdown (1Y) Largest decline over 1 year	—	-19.75%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-27.97%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-69.19%	—
Current Drawdown Current decline from peak	-1.86%	-41.38%	+39.52%
Average Drawdown Average peak-to-trough decline	-12.23%	-35.44%	+23.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	8.30%	—

Volatility

Volatility by Period

	RKNG	ONLN	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	7.41%	—
Volatility (6M) Calculated over the trailing 6-month period	—	18.32%	—
Volatility (1Y) Calculated over the trailing 1-year period	60.58%	24.39%	+36.19%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	60.58%	33.15%	+27.43%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	60.58%	32.08%	+28.50%

RKNG vs. ONLN - Expense Ratio Comparison

RKNG has a 0.79% expense ratio, which is higher than ONLN's 0.58% expense ratio.

Dividends

RKNG vs. ONLN - Dividend Comparison

RKNG has not paid dividends to shareholders, while ONLN's dividend yield for the trailing twelve months is around 0.36%.

Position	TTM	2025	2024	2023	2022	2021	2020
ONLN ProShares Online Retail ETF	0.36%	0.30%	0.75%	0.00%	0.00%	0.00%	1.24%
RKNG Defiance Retail Kings ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both RKNG and ONLN in my portfolio?

RKNG and ONLN have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, RKNG or ONLN?

On fees, ONLN is cheaper at 0.58% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, RKNG or ONLN?

ONLN is cheaper with a 0.58% expense ratio, compared with 0.79% for RKNG.

Which ETF pays a higher dividend yield, RKNG or ONLN?

ONLN has the higher dividend yield at 0.36%, compared with 0.00% for RKNG.

What is the main difference between RKNG and ONLN?

They also come from different issuers: Defiance and ProShares. Their fees differ too: 0.79% for RKNG and 0.58% for ONLN.