RB vs. RWK

Last updated Jun 19, 2026

RB (ProShares Russell 2000 Dynamic Daily Buffer ETF) and RWK (Invesco S&P MidCap 400 Revenue ETF) are both exchange-traded funds - RB is a Defined Outcome fund tracking the Russell 2000, while RWK is a Small Cap Blend Equities fund tracking the S&P MidCap 400 Revenue-Weighted Index. Both are passively managed. A 0.68 correlation means they provide meaningful diversification when combined. RB charges 0.58%/yr vs 0.39%/yr for RWK.

Performance

RB vs. RWK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares Russell 2000 Dynamic Daily Buffer ETF (RB) and Invesco S&P MidCap 400 Revenue ETF (RWK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RB achieves a 7.73% return, which is significantly lower than RWK's 14.36% return.

RB

• 1D: 0.67%
• 1M: 2.74%
• YTD: 7.73%
• 6M: 8.03%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

RWK

• 1D: 0.54%
• 1M: 7.09%
• YTD: 14.36%
• 6M: 13.23%
• 1Y: 28.31%
• 3Y*: 16.82%
• 5Y*: 12.36%
• 10Y*: 12.84%

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

RB vs. RWK - Yearly Performance Comparison

	2026 (YTD)	2025
RB ProShares Russell 2000 Dynamic Daily Buffer ETF	7.73%	10.85%
RWK Invesco S&P MidCap 400 Revenue ETF	14.36%	10.51%

Correlation

The correlation between RB and RWK is 0.68, 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 Jun 26, 2025	0.68

Return for Risk

RB vs. RWK — Risk / Return Rank

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

RB

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

RWK

RWK Risk / Return Rank: 52
RWK Sharpe Ratio Rank: 53
RWK Sortino Ratio Rank: 56
RWK Omega Ratio Rank: 48
RWK Calmar Ratio Rank: 55
RWK Martin Ratio Rank: 51

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.

RB vs. RWK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares Russell 2000 Dynamic Daily Buffer ETF (RB) and Invesco S&P MidCap 400 Revenue ETF (RWK). 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.

	RB	RWK	Difference
Sharpe ratio: Return per unit of total volatility	—	1.69	—
Sortino ratio: Return per unit of downside risk	—	2.53	—
Omega ratio: Gain probability vs. loss probability	—	1.29	—
Calmar ratio: Return relative to maximum drawdown	—	2.55	—
Martin ratio: Return relative to average drawdown	—	8.20	—

Drawdowns

RB vs. RWK - Drawdown Comparison

The maximum RB drawdown since its inception was -2.09%, smaller than the maximum RWK drawdown of -56.49%. Use the drawdown chart below to compare losses from any high point for RB and RWK.

Drawdown Indicators

	RB	RWK	Difference
Max Drawdown Largest peak-to-trough decline	-2.09%	-56.49%	+54.40%
Max Drawdown (1Y) Largest decline over 1 year	—	-11.14%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-24.58%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-24.58%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-46.20%	—
Current Drawdown Current decline from peak	0.00%	-1.42%	+1.42%
Average Drawdown Average peak-to-trough decline	-0.44%	-7.54%	+7.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	3.46%	—

Volatility

Volatility by Period

	RB	RWK	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	4.63%	—
Volatility (6M) Calculated over the trailing 6-month period	—	12.12%	—
Volatility (1Y) Calculated over the trailing 1-year period	6.54%	16.81%	-10.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.54%	21.11%	-14.57%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.54%	22.96%	-16.42%

RB vs. RWK - Expense Ratio Comparison

RB has a 0.58% expense ratio, which is higher than RWK's 0.39% expense ratio.

Dividends

RB vs. RWK - Dividend Comparison

RB's dividend yield for the trailing twelve months is around 1.98%, more than RWK's 1.12% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RB ProShares Russell 2000 Dynamic Daily Buffer ETF	1.98%	1.78%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
RWK Invesco S&P MidCap 400 Revenue ETF	1.12%	1.25%	1.11%	1.05%	1.18%	0.85%	0.96%	1.09%	1.22%	0.99%	1.30%	0.92%

Frequently Asked Questions

Can I hold both RB and RWK in my portfolio?

RB and RWK have a correlation of 0.68, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, RB or RWK?

On fees, RWK is cheaper at 0.39% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, RB or RWK?

RWK is cheaper with a 0.39% expense ratio, compared with 0.58% for RB.

Which ETF pays a higher dividend yield, RB or RWK?

RB has the higher dividend yield at 1.98%, compared with 1.12% for RWK.

What is the main difference between RB and RWK?

RB is categorized as Defined Outcome, while RWK is Small Cap Blend Equities. RB tracks Russell 2000, while RWK tracks S&P MidCap 400 Revenue-Weighted Index. They also come from different issuers: ProShares and Invesco. Their fees differ too: 0.58% for RB and 0.39% for RWK.