BSPPX vs. PUTW

Last updated Jun 4, 2026

BSPPX (iShares S&P 500 Index Fund Investor P Shares) and PUTW (WisdomTree Equity Premium Income Fund) are both mutual funds - BSPPX is a S&P 500 fund tracking the S&P 500 Index, while PUTW is a Derivative Income fund tracking the Volos U.S. Large Cap Target 2.5% PutWrite Index. Both are passively managed. Over the past 5 years, BSPPX returned 13.88%/yr vs 9.92%/yr for PUTW. Their correlation of 0.81 suggests significant overlap in exposure. BSPPX charges 0.35%/yr vs 0.44%/yr for PUTW.

Performance

BSPPX vs. PUTW - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares S&P 500 Index Fund Investor P Shares (BSPPX) and WisdomTree Equity Premium Income Fund (PUTW). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BSPPX achieves a 11.54% return, which is significantly higher than PUTW's 4.26% return.

BSPPX

• 1D: 0.13%
• 1M: 5.77%
• YTD: 11.54%
• 6M: 11.54%
• 1Y: 28.51%
• 3Y*: 22.32%
• 5Y*: 13.88%
• 10Y*: —

PUTW

• 1D: -0.18%
• 1M: 1.94%
• YTD: 4.26%
• 6M: 4.65%
• 1Y: 18.84%
• 3Y*: 13.62%
• 5Y*: 9.92%
• 10Y*: 8.30%

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

BSPPX vs. PUTW - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
BSPPX iShares S&P 500 Index Fund Investor P Shares	11.54%	17.46%	24.54%	25.85%	-18.40%	28.23%	18.05%	31.02%	-13.57%
PUTW WisdomTree Equity Premium Income Fund	4.26%	14.45%	17.18%	15.53%	-10.11%	20.94%	1.65%	13.55%	-11.94%

Correlation

The correlation between BSPPX and PUTW is 0.84, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.84
Correlation (3Y) Calculated over the trailing 3-year period	0.86
Correlation (5Y) Calculated over the trailing 5-year period	0.83
Correlation (All Time) Calculated using the full available price history since Oct 1, 2018	0.81

The correlation between BSPPX and PUTW has been stable across timeframes, ranging from 0.81 to 0.86 - a consistent structural relationship.

Return for Risk

BSPPX vs. PUTW — Risk / Return Rank

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

BSPPX

BSPPX Risk / Return Rank: 71
BSPPX Sharpe Ratio Rank: 72
BSPPX Sortino Ratio Rank: 65
BSPPX Omega Ratio Rank: 65
BSPPX Calmar Ratio Rank: 71
BSPPX Martin Ratio Rank: 81

PUTW

PUTW Risk / Return Rank: 55
PUTW Sharpe Ratio Rank: 52
PUTW Sortino Ratio Rank: 50
PUTW Omega Ratio Rank: 60
PUTW Calmar Ratio Rank: 48
PUTW Martin Ratio Rank: 65

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.

BSPPX vs. PUTW - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares S&P 500 Index Fund Investor P Shares (BSPPX) and WisdomTree Equity Premium Income Fund (PUTW). 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.

	BSPPX	PUTW	Difference
Sharpe ratio: Return per unit of total volatility	2.48	2.14	+0.34
Sortino ratio: Return per unit of downside risk	3.37	2.98	+0.39
Omega ratio: Gain probability vs. loss probability	1.45	1.43	+0.02
Calmar ratio: Return relative to maximum drawdown	3.28	2.65	+0.64
Martin ratio: Return relative to average drawdown	15.31	12.69	+2.61
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BSPPX vs. PUTW - Sharpe Ratio Comparison

The current BSPPX Sharpe Ratio is 2.48, which is comparable to the PUTW Sharpe Ratio of 2.14. The chart below compares the historical Sharpe Ratios of BSPPX and PUTW, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	BSPPX	PUTW	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.48	2.14	+0.34
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.83	0.82	0.00
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.63	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.75	0.65	+0.10

Drawdowns

BSPPX vs. PUTW - Drawdown Comparison

The maximum BSPPX drawdown since its inception was -33.76%, which is greater than PUTW's maximum drawdown of -28.40%. Use the drawdown chart below to compare losses from any high point for BSPPX and PUTW.

Drawdown Indicators

	BSPPX	PUTW	Difference
Max Drawdown Largest peak-to-trough decline	-33.76%	-28.40%	-5.36%
Max Drawdown (1Y) Largest decline over 1 year	-8.95%	-7.15%	-1.80%
Max Drawdown (3Y) Largest decline over 3 years	-18.77%	-15.26%	-3.51%
Max Drawdown (5Y) Largest decline over 5 years	-24.70%	-16.56%	-8.14%
Max Drawdown (10Y) Largest decline over 10 years	—	-28.40%	—
Current Drawdown Current decline from peak	0.00%	-0.27%	+0.27%
Average Drawdown Average peak-to-trough decline	-5.22%	-3.44%	-1.78%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.92%	1.49%	+0.43%

Volatility

BSPPX vs. PUTW - Volatility Comparison

iShares S&P 500 Index Fund Investor P Shares (BSPPX) has a higher volatility of 2.82% compared to WisdomTree Equity Premium Income Fund (PUTW) at 0.90%. This indicates that BSPPX's price experiences larger fluctuations and is considered to be riskier than PUTW based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BSPPX	PUTW	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.82%	0.90%	+1.92%
Volatility (6M) Calculated over the trailing 6-month period	8.97%	7.00%	+1.97%
Volatility (1Y) Calculated over the trailing 1-year period	11.85%	8.86%	+2.99%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.88%	12.13%	+4.75%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.73%	13.22%	+6.51%

BSPPX vs. PUTW - Expense Ratio Comparison

BSPPX has a 0.35% expense ratio, which is lower than PUTW's 0.44% expense ratio.

Dividends

BSPPX vs. PUTW - Dividend Comparison

BSPPX's dividend yield for the trailing twelve months is around 1.29%, less than PUTW's 12.06% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
BSPPX iShares S&P 500 Index Fund Investor P Shares	1.29%	1.43%	1.12%	1.22%	1.67%	1.53%	1.38%	1.70%	1.35%	0.00%	0.00%
PUTW WisdomTree Equity Premium Income Fund	12.06%	13.18%	11.99%	8.94%	3.27%	0.00%	1.43%	1.47%	6.46%	3.52%	2.27%

Frequently Asked Questions

Can I hold both BSPPX and PUTW in my portfolio?

BSPPX and PUTW have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BSPPX or PUTW?

BSPPX has higher volatility (2.82%) compared to PUTW (0.90%). In terms of maximum drawdown, BSPPX dropped -33.76% vs PUTW's -28.40%.

Which has better risk-adjusted returns?

BSPPX currently has the higher Sharpe Ratio (2.48 vs 2.14), 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.