PMMF vs. BTEK

Last updated Apr 2, 2026

Compare and contrast key facts about iShares Prime Money Market ETF (PMMF) and Future Tech ETF (BTEK).

PMMF and BTEK are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. PMMF is an actively managed fund by BlackRock. It was launched on Feb 4, 2025. BTEK is an actively managed fund by BlackRock. It was launched on Sep 29, 2020.

Performance

PMMF vs. BTEK - Performance Comparison

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

PMMF vs. BTEK - Yearly Performance Comparison

	2026 (YTD)	2025
PMMF iShares Prime Money Market ETF	0.88%	3.85%
BTEK Future Tech ETF	0.00%	0.00%

Returns By Period

PMMF

• 1D: 0.02%
• 1M: 0.27%
• YTD: 0.88%
• 6M: 1.88%
• 1Y: 4.08%
• 3Y*: —
• 5Y*: —
• 10Y*: —

BTEK

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

PMMF vs. BTEK - Expense Ratio Comparison

PMMF has a 0.20% expense ratio, which is lower than BTEK's 0.88% expense ratio.

BTEK

Future Tech ETF

PMMF

iShares Prime Money Market ETF

Return for Risk

PMMF vs. BTEK — 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: 99
PMMF Martin Ratio Rank: 100

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. BTEK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Prime Money Market ETF (PMMF) and Future Tech ETF (BTEK). 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.

	PMMF	BTEK	Difference
Sharpe ratio Return per unit of total volatility	13.41	—	—
Sortino ratio Return per unit of downside risk	25.32	—	—
Omega ratio Gain probability vs. loss probability	11.73	—	—
Calmar ratio Return relative to maximum drawdown	31.58	—	—
Martin ratio Return relative to average drawdown	380.28	—	—
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

	PMMF	BTEK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	13.41	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	11.54	—	—

Dividends

PMMF vs. BTEK - Dividend Comparison

PMMF's dividend yield for the trailing twelve months is around 3.88%, while BTEK has not paid dividends to shareholders.

	TTM	2025
PMMF iShares Prime Money Market ETF	3.88%	3.59%
BTEK Future Tech ETF	0.00%	0.00%

Drawdowns

Drawdown Indicators

	PMMF	BTEK	Difference
Max Drawdown Largest peak-to-trough decline	-0.13%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-0.13%	—	—
Current Drawdown Current decline from peak	0.00%	—	—
Average Drawdown Average peak-to-trough decline	0.00%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	0.01%	—	—

Volatility

Volatility by Period

	PMMF	BTEK	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.05%	—	—
Volatility (6M) Calculated over the trailing 6-month period	0.13%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	0.31%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.36%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.36%	—	—