BTEKX vs. VTCAX

Last updated Aug 5, 2026

BTEKX (BlackRock Technology Opportunities Fund Class K) and VTCAX (Vanguard Communication Services Index Fund Admiral Shares) are both Technology Equities funds. Over the past 5 years, BTEKX returned 12.29%/yr vs 6.68%/yr for VTCAX. Their 0.74 correlation means they have sometimes moved together and sometimes differently. BTEKX charges 0.84%/yr vs 0.10%/yr for VTCAX.

Performance

BTEKX vs. VTCAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackRock Technology Opportunities Fund Class K (BTEKX) and Vanguard Communication Services Index Fund Admiral Shares (VTCAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BTEKX achieves a 26.30% return, which is significantly higher than VTCAX's -2.40% return.

BTEKX

• 1D: 1.88%
• 1M: -4.27%
• 6M: 25.76%
• YTD: 26.30%
• 1Y: 33.96%
• 3Y*: 32.97%
• 5Y*: 12.29%
• 10Y*: —
• ALL TIME*: 22.70%

VTCAX

• 1D: 3.43%
• 1M: 0.18%
• 6M: -3.52%
• YTD: -2.40%
• 1Y: 8.18%
• 3Y*: 21.06%
• 5Y*: 6.68%
• 10Y*: 8.36%
• ALL TIME*: 8.75%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
BTEKX BlackRock Technology Opportunities Fund Class K	$0.00	$0.00	$0.00
VTCAX Vanguard Communication Services Index Fund Admiral Shares	$0.00	$0.00	$0.00

BTEKX vs. VTCAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
BTEKX BlackRock Technology Opportunities Fund Class K	26.30%	20.03%	40.41%	49.56%	-42.95%	8.55%	86.87%	5.72%
VTCAX Vanguard Communication Services Index Fund Admiral Shares	-2.40%	26.28%	33.10%	44.73%	-38.78%	14.09%	28.95%	2.45%

Correlation

The correlation between BTEKX and VTCAX is 0.43, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.43
Correlation (3Y) Balances recent behavior with more history.	0.62
Correlation (5Y) Shows whether the relationship held over a longer period.	0.73
Correlation (All Time) Calculated using the full available price history since Dec 10, 2019	0.74

Over the past year, the correlation between BTEKX and VTCAX has dropped to 0.43 - well below their long-term average of 0.74, suggesting their price drivers have been diverging.

Return for Risk

BTEKX vs. VTCAX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

BTEKX

BTEKX Risk / Return Rank: 30
BTEKX Sharpe Ratio Rank: 29
BTEKX Sortino Ratio Rank: 27
BTEKX Omega Ratio Rank: 28
BTEKX Calmar Ratio Rank: 37
BTEKX Martin Ratio Rank: 31

VTCAX

VTCAX Risk / Return Rank: 15
VTCAX Sharpe Ratio Rank: 15
VTCAX Sortino Ratio Rank: 16
VTCAX Omega Ratio Rank: 15
VTCAX Calmar Ratio Rank: 15
VTCAX Martin Ratio Rank: 17

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

BTEKX vs. VTCAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackRock Technology Opportunities Fund Class K (BTEKX) and Vanguard Communication Services Index Fund Admiral Shares (VTCAX). 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.

	BTEKX	VTCAX	Difference
Sharpe ratio: Return per unit of total volatility	1.15	0.63	+0.53
Sortino ratio: Return per unit of downside risk	1.64	1.00	+0.64
Omega ratio: Gain probability vs. loss probability	1.21	1.12	+0.09
Calmar ratio: Return relative to maximum drawdown	1.79	0.80	+0.99
Martin ratio: Return relative to average drawdown	5.13	2.40	+2.73

BTEKX vs. VTCAX - Sharpe Ratio Comparison

The current BTEKX Sharpe Ratio is 1.15, which is higher than the VTCAX Sharpe Ratio of 0.63. The chart below compares the historical Sharpe Ratios of BTEKX and VTCAX, 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

BTEKX vs. VTCAX - Drawdown Comparison

The maximum BTEKX drawdown since its inception was -49.08%, smaller than the maximum VTCAX drawdown of -57.11%. Use the drawdown chart below to compare losses from any high point for BTEKX and VTCAX.

Drawdown Indicators

	BTEKX	VTCAX	Difference
Max Drawdown Largest peak-to-trough decline	-49.08%	-57.11%	+8.03%
Max Drawdown (1Y) Largest decline over 1 year	-20.79%	-13.56%	-7.23%
Max Drawdown (3Y) Largest decline over 3 years	-27.72%	-21.19%	-6.53%
Max Drawdown (5Y) Largest decline over 5 years	-49.08%	-46.58%	-2.50%
Max Drawdown (10Y) Largest decline over 10 years	—	-46.58%	—
Current Drawdown Current decline from peak	-12.40%	-5.71%	-6.69%
Average Drawdown Average peak-to-trough decline	-14.83%	-11.85%	-2.98%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.24%	4.49%	+2.75%

Volatility

BTEKX vs. VTCAX - Volatility Comparison

BlackRock Technology Opportunities Fund Class K (BTEKX) has a higher volatility of 13.93% compared to Vanguard Communication Services Index Fund Admiral Shares (VTCAX) at 7.49%. This indicates that BTEKX's price experiences larger fluctuations and is considered to be riskier than VTCAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BTEKX	VTCAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.93%	7.49%	+6.44%
Volatility (6M) Calculated over the trailing 6-month period	28.44%	13.77%	+14.67%
Volatility (1Y) Calculated over the trailing 1-year period	32.29%	17.22%	+15.07%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.48%	21.53%	+7.95%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.92%	21.14%	+8.78%

BTEKX vs. VTCAX - Expense Ratio Comparison

BTEKX has a 0.84% expense ratio, which is higher than VTCAX's 0.10% expense ratio.

Dividends

BTEKX vs. VTCAX - Dividend Comparison

BTEKX's dividend yield for the trailing twelve months is around 14.87%, more than VTCAX's 1.04% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BTEKX BlackRock Technology Opportunities Fund Class K	14.87%	12.17%	7.80%	0.00%	0.00%	7.17%	4.46%	0.00%	0.00%	0.00%	0.00%	0.00%
VTCAX Vanguard Communication Services Index Fund Admiral Shares	1.04%	0.95%	1.06%	1.04%	0.88%	1.20%	0.73%	0.89%	2.77%	3.84%	2.68%	3.55%

Frequently Asked Questions

Can I hold both BTEKX and VTCAX in my portfolio?

BTEKX and VTCAX have a correlation of 0.43, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BTEKX or VTCAX?

BTEKX has higher volatility (13.93%) compared to VTCAX (7.49%). In terms of maximum drawdown, BTEKX dropped -49.08% vs VTCAX's -57.11%.

Which has better risk-adjusted returns?

BTEKX currently has the higher Sharpe Ratio (1.15 vs 0.63), 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.