ESIX vs. RB

Last updated Jun 4, 2026

ESIX (SPDR S&P SmallCap 600 ESG ETF) and RB (ProShares Russell 2000 Dynamic Daily Buffer ETF) are both exchange-traded funds - ESIX is a Small Cap Blend Equities fund tracking the S&P SmallCap 600 ESG Index, while RB is a Defined Outcome fund tracking the Russell 2000. Both are passively managed. A 0.67 correlation means they provide meaningful diversification when combined. ESIX charges 0.12%/yr vs 0.58%/yr for RB.

Performance

ESIX vs. RB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPDR S&P SmallCap 600 ESG ETF (ESIX) and ProShares Russell 2000 Dynamic Daily Buffer ETF (RB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ESIX achieves a 10.83% return, which is significantly higher than RB's 6.76% return.

ESIX

• 1D: -1.16%
• 1M: -0.56%
• YTD: 10.83%
• 6M: 9.86%
• 1Y: 22.21%
• 3Y*: 14.39%
• 5Y*: —
• 10Y*: —

RB

• 1D: -0.17%
• 1M: 1.63%
• YTD: 6.76%
• 6M: 8.48%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ESIX vs. RB - Yearly Performance Comparison

	2026 (YTD)	2025
ESIX SPDR S&P SmallCap 600 ESG ETF	10.83%	7.94%
RB ProShares Russell 2000 Dynamic Daily Buffer ETF	6.76%	10.58%

Correlation

The correlation between ESIX and RB is 0.67, 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 27, 2025	0.67

Return for Risk

ESIX vs. RB — Risk / Return Rank

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

ESIX

ESIX Risk / Return Rank: 37
ESIX Sharpe Ratio Rank: 34
ESIX Sortino Ratio Rank: 36
ESIX Omega Ratio Rank: 32
ESIX Calmar Ratio Rank: 42
ESIX Martin Ratio Rank: 41

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.

ESIX vs. RB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR S&P SmallCap 600 ESG ETF (ESIX) and ProShares Russell 2000 Dynamic Daily Buffer ETF (RB). 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.

	ESIX	RB	Difference
Sharpe ratio: Return per unit of total volatility	1.20	—	—
Sortino ratio: Return per unit of downside risk	1.84	—	—
Omega ratio: Gain probability vs. loss probability	1.21	—	—
Calmar ratio: Return relative to maximum drawdown	2.08	—	—
Martin ratio: Return relative to average drawdown	6.57	—	—
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

	ESIX	RB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.20	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.24	3.15	-2.91

Drawdowns

ESIX vs. RB - Drawdown Comparison

The maximum ESIX drawdown since its inception was -27.56%, which is greater than RB's maximum drawdown of -1.70%. Use the drawdown chart below to compare losses from any high point for ESIX and RB.

Drawdown Indicators

	ESIX	RB	Difference
Max Drawdown Largest peak-to-trough decline	-27.56%	-1.70%	-25.86%
Max Drawdown (1Y) Largest decline over 1 year	-10.18%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-27.56%	—	—
Current Drawdown Current decline from peak	-2.42%	-0.47%	-1.95%
Average Drawdown Average peak-to-trough decline	-8.59%	-0.41%	-8.18%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.22%	—	—

Volatility

Volatility by Period

	ESIX	RB	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.19%	—	—
Volatility (6M) Calculated over the trailing 6-month period	12.40%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	17.99%	6.21%	+11.78%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.53%	6.21%	+15.32%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.53%	6.21%	+15.32%

ESIX vs. RB - Expense Ratio Comparison

ESIX has a 0.12% expense ratio, which is lower than RB's 0.58% expense ratio.

Dividends

ESIX vs. RB - Dividend Comparison

ESIX's dividend yield for the trailing twelve months is around 1.45%, less than RB's 2.00% yield.

Position	TTM	2025	2024	2023	2022
ESIX SPDR S&P SmallCap 600 ESG ETF	1.45%	1.64%	1.65%	1.69%	1.54%
RB ProShares Russell 2000 Dynamic Daily Buffer ETF	2.00%	1.78%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both ESIX and RB in my portfolio?

ESIX and RB have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, ESIX or RB?

On fees, ESIX is cheaper at 0.12% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, ESIX or RB?

ESIX is cheaper with a 0.12% expense ratio, compared with 0.58% for RB.

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

RB has the higher dividend yield at 2.00%, compared with 1.45% for ESIX.

What is the main difference between ESIX and RB?

ESIX is categorized as Small Cap Blend Equities, while RB is Defined Outcome. ESIX tracks S&P SmallCap 600 ESG Index, while RB tracks Russell 2000. They also come from different issuers: State Street and ProShares. Their fees differ too: 0.12% for ESIX and 0.58% for RB.