IWMW vs. RSBY

Last updated Jul 12, 2026

IWMW (iShares Russell 2000 BuyWrite ETF) and RSBY (Return Stacked Bonds & Futures Yield ETF) are both exchange-traded funds - IWMW is a Derivative Income fund tracking the Cboe FTSE Russell IWM 2% OTM BuyWrite Index, while RSBY is a Multistrategy fund actively managed by Return Stacked. IWMW is passively managed, while RSBY is actively managed. Over the past year, IWMW returned 24.34% vs 17.35% for RSBY. At a correlation of -0.13, they often move in opposite directions. IWMW charges 0.39%/yr vs 0.98%/yr for RSBY.

Performance

IWMW vs. RSBY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Russell 2000 BuyWrite ETF (IWMW) and Return Stacked Bonds & Futures Yield ETF (RSBY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IWMW achieves a 13.41% return, which is significantly lower than RSBY's 18.52% return.

IWMW

• 1D: -0.10%
• 1M: 3.27%
• 6M: 10.36%
• YTD: 13.41%
• 1Y: 24.34%
• 3Y*: —
• 5Y*: —
• 10Y*: —

RSBY

• 1D: -0.60%
• 1M: -0.71%
• 6M: 17.92%
• YTD: 18.52%
• 1Y: 17.35%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

IWMW vs. RSBY - Yearly Performance Comparison

	2026 (YTD)	2025	2024
IWMW iShares Russell 2000 BuyWrite ETF	13.41%	7.82%	6.35%
RSBY Return Stacked Bonds & Futures Yield ETF	18.52%	-12.98%	-7.79%

Correlation

The correlation between IWMW and RSBY is -0.18, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.18
Correlation (All Time) Calculated using the full available price history since Aug 21, 2024	-0.13

Return for Risk

IWMW vs. RSBY — Risk / Return Rank

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

IWMW

IWMW Risk / Return Rank: 80
IWMW Sharpe Ratio Rank: 77
IWMW Sortino Ratio Rank: 75
IWMW Omega Ratio Rank: 83
IWMW Calmar Ratio Rank: 83
IWMW Martin Ratio Rank: 80

RSBY

RSBY Risk / Return Rank: 51
RSBY Sharpe Ratio Rank: 55
RSBY Sortino Ratio Rank: 57
RSBY Omega Ratio Rank: 51
RSBY Calmar Ratio Rank: 54
RSBY Martin Ratio Rank: 40

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.

IWMW vs. RSBY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Russell 2000 BuyWrite ETF (IWMW) and Return Stacked Bonds & Futures Yield ETF (RSBY). 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.

	IWMW	RSBY	Difference
Sharpe ratio: Return per unit of total volatility	1.96	1.50	+0.46
Sortino ratio: Return per unit of downside risk	2.68	2.18	+0.50
Omega ratio: Gain probability vs. loss probability	1.39	1.26	+0.13
Calmar ratio: Return relative to maximum drawdown	3.53	2.15	+1.38
Martin ratio: Return relative to average drawdown	12.17	5.04	+7.13

IWMW vs. RSBY - Sharpe Ratio Comparison

The current IWMW Sharpe Ratio is 1.96, which is higher than the RSBY Sharpe Ratio of 1.50. The chart below compares the historical Sharpe Ratios of IWMW and RSBY, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

IWMW vs. RSBY - Drawdown Comparison

The maximum IWMW drawdown since its inception was -21.82%, smaller than the maximum RSBY drawdown of -23.32%. Use the drawdown chart below to compare losses from any high point for IWMW and RSBY.

Drawdown Indicators

	IWMW	RSBY	Difference
Max Drawdown Largest peak-to-trough decline	-21.82%	-23.32%	+1.50%
Max Drawdown (1Y) Largest decline over 1 year	-6.94%	-7.95%	+1.01%
Current Drawdown Current decline from peak	-0.15%	-6.45%	+6.30%
Average Drawdown Average peak-to-trough decline	-3.69%	-13.35%	+9.66%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.01%	3.39%	-1.38%

Volatility

IWMW vs. RSBY - Volatility Comparison

The current volatility for iShares Russell 2000 BuyWrite ETF (IWMW) is 2.65%, while Return Stacked Bonds & Futures Yield ETF (RSBY) has a volatility of 3.15%. This indicates that IWMW experiences smaller price fluctuations and is considered to be less risky than RSBY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IWMW	RSBY	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.65%	3.15%	-0.50%
Volatility (6M) Calculated over the trailing 6-month period	9.25%	8.37%	+0.88%
Volatility (1Y) Calculated over the trailing 1-year period	12.50%	11.41%	+1.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.92%	13.37%	+2.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.92%	13.37%	+2.55%

IWMW vs. RSBY - Expense Ratio Comparison

IWMW has a 0.39% expense ratio, which is lower than RSBY's 0.98% expense ratio.

Dividends

IWMW vs. RSBY - Dividend Comparison

IWMW's dividend yield for the trailing twelve months is around 21.18%, more than RSBY's 1.75% yield.

Position	TTM	2025	2024
IWMW iShares Russell 2000 BuyWrite ETF	21.18%	20.98%	17.73%
RSBY Return Stacked Bonds & Futures Yield ETF	1.75%	2.07%	2.29%

Frequently Asked Questions

Can I hold both IWMW and RSBY in my portfolio?

IWMW and RSBY have a correlation of -0.18, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IWMW or RSBY?

RSBY has higher volatility (3.15%) compared to IWMW (2.65%). In terms of maximum drawdown, IWMW dropped -21.82% vs RSBY's -23.32%.

Which ETF is better, IWMW or RSBY?

On 1-year performance, IWMW leads with 24.34% vs 17.35% for RSBY. On fees, IWMW is cheaper at 0.39% per year. On volatility, IWMW has been the lower-risk option at 2.65%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IWMW or RSBY?

Over the 1-year period, IWMW has performed better with a 24.34% return vs 17.35%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IWMW or RSBY?

IWMW is cheaper with a 0.39% expense ratio, compared with 0.98% for RSBY.

Which ETF pays a higher dividend yield, IWMW or RSBY?

IWMW has the higher dividend yield at 21.18%, compared with 1.75% for RSBY.

What is the main difference between IWMW and RSBY?

IWMW is categorized as Derivative Income, while RSBY is Multistrategy. They also come from different issuers: iShares and Return Stacked. Their fees differ too: 0.39% for IWMW and 0.98% for RSBY.

Which has better risk-adjusted returns?

IWMW currently has the higher Sharpe Ratio (1.96 vs 1.50), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.