PMMF vs. BPAY

Last updated Jul 14, 2026

PMMF (iShares Prime Money Market ETF) and BPAY (BlackRock Future Financial and Technology ETF) are both exchange-traded funds - PMMF is a Money Market fund actively managed by BlackRock, while BPAY is a Financials Equities fund actively managed by BlackRock. Both are actively managed. Over the past year, PMMF returned 3.93% vs -11.61% for BPAY. At a 0.05 correlation, their price movements are largely independent. PMMF charges 0.20%/yr vs 0.70%/yr for BPAY.

Performance

PMMF vs. BPAY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Prime Money Market ETF (PMMF) and BlackRock Future Financial and Technology ETF (BPAY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PMMF achieves a 1.92% return, which is significantly higher than BPAY's -2.19% return.

PMMF

• 1D: 0.03%
• 1M: 0.30%
• 6M: 1.80%
• YTD: 1.92%
• 1Y: 3.93%
• 3Y*: —
• 5Y*: —
• 10Y*: —

BPAY

• 1D: -1.19%
• 1M: 10.36%
• 6M: -5.00%
• YTD: -2.19%
• 1Y: -11.61%
• 3Y*: 10.10%
• 5Y*: —
• 10Y*: —

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

PMMF vs. BPAY - Yearly Performance Comparison

	2026 (YTD)	2025
PMMF iShares Prime Money Market ETF	1.92%	3.75%
BPAY BlackRock Future Financial and Technology ETF	-2.19%	1.98%

Correlation

The correlation between PMMF and BPAY is 0.13, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.13
Correlation (All Time) Calculated using the full available price history since Feb 6, 2025	0.05

Return for Risk

PMMF vs. BPAY — Risk / Return Rank

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

PMMF

PMMF Risk / Return Rank: 100
PMMF Sharpe Ratio Rank: 100
PMMF Sortino Ratio Rank: 100
PMMF Omega Ratio Rank: 100
PMMF Calmar Ratio Rank: 100
PMMF Martin Ratio Rank: 100

BPAY

BPAY Risk / Return Rank: 6
BPAY Sharpe Ratio Rank: 6
BPAY Sortino Ratio Rank: 5
BPAY Omega Ratio Rank: 5
BPAY Calmar Ratio Rank: 6
BPAY Martin Ratio Rank: 6

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.

PMMF vs. BPAY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Prime Money Market ETF (PMMF) and BlackRock Future Financial and Technology ETF (BPAY). 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.

	PMMF	BPAY	Difference
Sharpe ratio: Return per unit of total volatility	20.52	-0.45	+20.97
Sortino ratio: Return per unit of downside risk	98.03	-0.46	+98.49
Omega ratio: Gain probability vs. loss probability	41.61	0.95	+40.67
Calmar ratio: Return relative to maximum drawdown	158.48	-0.35	+158.83
Martin ratio: Return relative to average drawdown	1,526.66	-0.63	+1,527.29

PMMF vs. BPAY - Sharpe Ratio Comparison

The current PMMF Sharpe Ratio is 20.52, which is higher than the BPAY Sharpe Ratio of -0.45. The chart below compares the historical Sharpe Ratios of PMMF and BPAY, 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

PMMF vs. BPAY - Drawdown Comparison

The maximum PMMF drawdown since its inception was -0.13%, smaller than the maximum BPAY drawdown of -33.62%. Use the drawdown chart below to compare losses from any high point for PMMF and BPAY.

Drawdown Indicators

	PMMF	BPAY	Difference
Max Drawdown Largest peak-to-trough decline	-0.13%	-33.62%	+33.49%
Max Drawdown (1Y) Largest decline over 1 year	-0.02%	-33.62%	+33.60%
Max Drawdown (3Y) Largest decline over 3 years	—	-33.62%	—
Current Drawdown Current decline from peak	0.00%	-17.37%	+17.37%
Average Drawdown Average peak-to-trough decline	-0.00%	-10.83%	+10.83%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.00%	18.39%	-18.39%

Volatility

PMMF vs. BPAY - Volatility Comparison

The current volatility for iShares Prime Money Market ETF (PMMF) is 0.05%, while BlackRock Future Financial and Technology ETF (BPAY) has a volatility of 7.54%. This indicates that PMMF experiences smaller price fluctuations and is considered to be less risky than BPAY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PMMF	BPAY	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.05%	7.54%	-7.49%
Volatility (6M) Calculated over the trailing 6-month period	0.13%	20.21%	-20.08%
Volatility (1Y) Calculated over the trailing 1-year period	0.19%	26.17%	-25.98%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.35%	24.51%	-24.16%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.35%	24.51%	-24.16%

PMMF vs. BPAY - Expense Ratio Comparison

PMMF has a 0.20% expense ratio, which is lower than BPAY's 0.70% expense ratio.

Dividends

PMMF vs. BPAY - Dividend Comparison

PMMF's dividend yield for the trailing twelve months is around 3.85%, less than BPAY's 6.93% yield.

Position	TTM	2025	2024	2023	2022
BPAY BlackRock Future Financial and Technology ETF	6.93%	6.49%	0.48%	1.18%	0.18%
PMMF iShares Prime Money Market ETF	3.85%	3.59%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both PMMF and BPAY in my portfolio?

PMMF and BPAY have a correlation of 0.13, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PMMF or BPAY?

BPAY has higher volatility (7.54%) compared to PMMF (0.05%). In terms of maximum drawdown, PMMF dropped -0.13% vs BPAY's -33.62%.

Which ETF is better, PMMF or BPAY?

On 1-year performance, PMMF leads with 3.93% vs -11.61% for BPAY. On fees, PMMF is cheaper at 0.20% per year. On volatility, PMMF has been the lower-risk option at 0.05%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, PMMF or BPAY?

Over the 1-year period, PMMF has performed better with a 3.93% return vs -11.61%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PMMF or BPAY?

PMMF is cheaper with a 0.20% expense ratio, compared with 0.70% for BPAY.

Which ETF pays a higher dividend yield, PMMF or BPAY?

BPAY has the higher dividend yield at 6.93%, compared with 3.85% for PMMF.

What is the main difference between PMMF and BPAY?

PMMF is categorized as Money Market, while BPAY is Financials Equities. Their fees differ too: 0.20% for PMMF and 0.70% for BPAY.

Which has better risk-adjusted returns?

PMMF currently has the higher Sharpe Ratio (20.52 vs -0.45), 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.