BTEKX vs. BGSAX
BTEKX (BlackRock Technology Opportunities Fund Class K) and BGSAX (BlackRock Technology Opportunities Fund Investor A) are both Technology Equities funds from BlackRock. Over the past 5 years, BTEKX returned 14.80%/yr vs 14.54%/yr for BGSAX. With a 0.99 correlation, they move nearly in lockstep. BTEKX charges 0.84%/yr vs 1.20%/yr for BGSAX.
Performance
BTEKX vs. BGSAX - Performance Comparison
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Returns By Period
The year-to-date returns for both stocks are quite close, with BTEKX having a 36.01% return and BGSAX slightly lower at 35.79%.
BTEKX
- 1D
- 0.51%
- 1M
- 0.05%
- YTD
- 36.01%
- 6M
- 34.34%
- 1Y
- 52.48%
- 3Y*
- 37.60%
- 5Y*
- 14.80%
- 10Y*
- —
BGSAX
- 1D
- 0.50%
- 1M
- 0.02%
- YTD
- 35.79%
- 6M
- 34.12%
- 1Y
- 51.96%
- 3Y*
- 37.36%
- 5Y*
- 14.54%
- 10Y*
- 25.63%
BTEKX vs. BGSAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
BTEKX BlackRock Technology Opportunities Fund Class K | 36.01% | 20.03% | 40.41% | 49.56% | -42.95% | 8.55% | 86.87% | 5.72% |
BGSAX BlackRock Technology Opportunities Fund Investor A | 35.79% | 19.63% | 40.56% | 49.09% | -43.13% | 8.19% | 86.27% | 5.69% |
Correlation
The correlation between BTEKX and BGSAX is 1.00 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 1.00 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.99 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.99 |
Correlation (All Time) Calculated using the full available price history since Dec 10, 2019 | 0.99 |
The correlation between BTEKX and BGSAX has been stable across timeframes, ranging from 0.99 to 1.00 - a consistent structural relationship.
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Return for Risk
BTEKX vs. BGSAX — Risk / Return Rank
BTEKX
BGSAX
BTEKX vs. BGSAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BlackRock Technology Opportunities Fund Class K (BTEKX) and BlackRock Technology Opportunities Fund Investor A (BGSAX). 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 | BGSAX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.02 | ||
| Sortino ratioReturn per unit of downside risk | +0.02 | ||
| Omega ratioGain probability vs. loss probability | 1.33 | 1.33 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 2.92 | 2.87 | +0.05 |
| Martin ratioReturn relative to average drawdown | 8.50 | 8.35 | +0.15 |
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Drawdowns
BTEKX vs. BGSAX - Drawdown Comparison
The maximum BTEKX drawdown since its inception was -49.08%, smaller than the maximum BGSAX drawdown of -73.75%. Use the drawdown chart below to compare losses from any high point for BTEKX and BGSAX.
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Drawdown Indicators
| BTEKX | BGSAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -49.08% | -73.75% | +24.67% |
Max Drawdown (1Y)Largest decline over 1 year | -18.37% | -18.49% | +0.12% |
Max Drawdown (3Y)Largest decline over 3 years | -27.72% | -27.75% | +0.03% |
Max Drawdown (5Y)Largest decline over 5 years | -49.08% | -49.22% | +0.14% |
Max Drawdown (10Y)Largest decline over 10 years | — | -49.22% | — |
Current DrawdownCurrent decline from peak | -5.67% | -5.69% | +0.02% |
Average DrawdownAverage peak-to-trough decline | -14.91% | -26.32% | +11.41% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.29% | 6.34% | -0.05% |
Volatility
BTEKX vs. BGSAX - Volatility Comparison
BlackRock Technology Opportunities Fund Class K (BTEKX) and BlackRock Technology Opportunities Fund Investor A (BGSAX) have volatilities of 15.70% and 15.70%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BTEKX | BGSAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 15.70% | 15.70% | 0.00% |
Volatility (6M)Calculated over the trailing 6-month period | 24.38% | 24.38% | 0.00% |
Volatility (1Y)Calculated over the trailing 1-year period | 28.52% | 28.51% | +0.01% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 28.71% | 28.45% | +0.26% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 29.53% | 26.22% | +3.31% |
BTEKX vs. BGSAX - Expense Ratio Comparison
BTEKX has a 0.84% expense ratio, which is lower than BGSAX's 1.20% expense ratio.
Dividends
BTEKX vs. BGSAX - Dividend Comparison
BTEKX's dividend yield for the trailing twelve months is around 8.94%, less than BGSAX's 9.98% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
BGSAX BlackRock Technology Opportunities Fund Investor A | 9.98% | 13.55% | 8.68% | 0.00% | 0.00% | 7.66% | 4.86% | 1.50% | 1.24% | 8.01% | 1.17% |
BTEKX BlackRock Technology Opportunities Fund Class K | 8.94% | 12.17% | 7.80% | 0.00% | 0.00% | 7.17% | 4.46% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
With a correlation of 1.00, BTEKX and BGSAX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
BGSAX has higher volatility (15.70%) compared to BTEKX (15.70%). In terms of maximum drawdown, BTEKX dropped -49.08% vs BGSAX's -73.75%.
BTEKX currently has the higher Sharpe Ratio (1.88 vs 1.87), 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.
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