TEK vs. BITI

Last updated Jul 14, 2026

TEK (iShares Technology Opportunities Active ETF) and BITI (ProShares Short Bitcoin ETF) are both exchange-traded funds - TEK is a Technology Equities fund actively managed by iShares, while BITI is a Cryptocurrency fund tracking the Bloomberg Bitcoin Index. TEK is actively managed, while BITI is passively managed. Over the past year, TEK returned 39.18% vs 68.34% for BITI. At a correlation of -0.45, they often move in opposite directions. TEK charges 0.75%/yr vs 1.03%/yr for BITI.

Performance

TEK vs. BITI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Technology Opportunities Active ETF (TEK) and ProShares Short Bitcoin ETF (BITI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with TEK having a 27.66% return and BITI slightly higher at 28.75%.

TEK

• 1D: -4.31%
• 1M: -5.00%
• 6M: 23.88%
• YTD: 27.66%
• 1Y: 39.18%
• 3Y*: —
• 5Y*: —
• 10Y*: —

BITI

• 1D: 2.65%
• 1M: 1.46%
• 6M: 34.68%
• YTD: 28.75%
• 1Y: 68.34%
• 3Y*: -30.65%
• 5Y*: —
• 10Y*: —

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

TEK vs. BITI - Yearly Performance Comparison

	2026 (YTD)	2025	2024
TEK iShares Technology Opportunities Active ETF	27.66%	18.63%	2.63%
BITI ProShares Short Bitcoin ETF	28.75%	-1.76%	-30.57%

Correlation

The correlation between TEK and BITI is -0.48, 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	-0.48
Correlation (All Time) Calculated using the full available price history since Oct 22, 2024	-0.45

Return for Risk

TEK vs. BITI — Risk / Return Rank

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

TEK

TEK Risk / Return Rank: 45
TEK Sharpe Ratio Rank: 45
TEK Sortino Ratio Rank: 42
TEK Omega Ratio Rank: 44
TEK Calmar Ratio Rank: 51
TEK Martin Ratio Rank: 43

BITI

BITI Risk / Return Rank: 57
BITI Sharpe Ratio Rank: 58
BITI Sortino Ratio Rank: 55
BITI Omega Ratio Rank: 50
BITI Calmar Ratio Rank: 68
BITI Martin Ratio Rank: 51

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.

TEK vs. BITI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Technology Opportunities Active ETF (TEK) and ProShares Short Bitcoin ETF (BITI). 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.

	TEK	BITI	Difference
Sharpe ratio: Return per unit of total volatility	1.27	1.56	-0.29
Sortino ratio: Return per unit of downside risk	1.75	2.13	-0.37
Omega ratio: Gain probability vs. loss probability	1.23	1.26	-0.02
Calmar ratio: Return relative to maximum drawdown	2.04	2.72	-0.68
Martin ratio: Return relative to average drawdown	5.62	6.78	-1.16

TEK vs. BITI - Sharpe Ratio Comparison

The current TEK Sharpe Ratio is 1.27, which is comparable to the BITI Sharpe Ratio of 1.56. The chart below compares the historical Sharpe Ratios of TEK and BITI, 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

TEK vs. BITI - Drawdown Comparison

The maximum TEK drawdown since its inception was -28.24%, smaller than the maximum BITI drawdown of -92.16%. Use the drawdown chart below to compare losses from any high point for TEK and BITI.

Drawdown Indicators

	TEK	BITI	Difference
Max Drawdown Largest peak-to-trough decline	-28.24%	-92.16%	+63.92%
Max Drawdown (1Y) Largest decline over 1 year	-19.29%	-25.28%	+5.99%
Max Drawdown (3Y) Largest decline over 3 years	—	-84.63%	—
Current Drawdown Current decline from peak	-11.40%	-85.94%	+74.54%
Average Drawdown Average peak-to-trough decline	-5.90%	-68.34%	+62.44%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.99%	10.11%	-3.12%

Volatility

TEK vs. BITI - Volatility Comparison

iShares Technology Opportunities Active ETF (TEK) has a higher volatility of 15.63% compared to ProShares Short Bitcoin ETF (BITI) at 11.38%. This indicates that TEK's price experiences larger fluctuations and is considered to be riskier than BITI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TEK	BITI	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.63%	11.38%	+4.25%
Volatility (6M) Calculated over the trailing 6-month period	27.20%	34.25%	-7.05%
Volatility (1Y) Calculated over the trailing 1-year period	31.05%	44.14%	-13.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	31.44%	52.28%	-20.84%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	31.44%	52.28%	-20.84%

TEK vs. BITI - Expense Ratio Comparison

TEK has a 0.75% expense ratio, which is lower than BITI's 1.03% expense ratio.

Dividends

TEK vs. BITI - Dividend Comparison

TEK's dividend yield for the trailing twelve months is around 1.24%, less than BITI's 15.10% yield.

Position	TTM	2025	2024	2023	2022
BITI ProShares Short Bitcoin ETF	15.10%	1.60%	3.91%	3.33%	0.06%
TEK iShares Technology Opportunities Active ETF	1.24%	1.62%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both TEK and BITI in my portfolio?

TEK and BITI have a correlation of -0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TEK or BITI?

TEK has higher volatility (15.63%) compared to BITI (11.38%). In terms of maximum drawdown, TEK dropped -28.24% vs BITI's -92.16%.

Which ETF is better, TEK or BITI?

On 1-year performance, BITI leads with 68.34% vs 39.18% for TEK. On fees, TEK is cheaper at 0.75% per year. On volatility, BITI has been the lower-risk option at 11.38%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TEK or BITI?

Over the 1-year period, BITI has performed better with a 68.34% return vs 39.18%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TEK or BITI?

TEK is cheaper with a 0.75% expense ratio, compared with 1.03% for BITI.

Which ETF pays a higher dividend yield, TEK or BITI?

BITI has the higher dividend yield at 15.10%, compared with 1.24% for TEK.

What is the main difference between TEK and BITI?

TEK is categorized as Technology Equities, while BITI is Cryptocurrency. They also come from different issuers: iShares and ProShares. Their fees differ too: 0.75% for TEK and 1.03% for BITI.

Which has better risk-adjusted returns?

BITI currently has the higher Sharpe Ratio (1.56 vs 1.27), 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.