BST vs. HYT
BST (BlackRock Science and Technology Trust) is a stock, while HYT (BlackRock Corporate High Yield Fund) is High Yield Bonds fund actively managed by BlackRock. Over the past 10 years, BST returned 19.58%/yr vs 7.34%/yr for HYT. At a 0.44 correlation, their price movements are largely independent.
Performance
BST vs. HYT - Performance Comparison
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Returns By Period
In the year-to-date period, BST achieves a 16.91% return, which is significantly higher than HYT's 1.45% return. Over the past 10 years, BST has outperformed HYT with an annualized return of 19.58%, while HYT has yielded a comparatively lower 7.34% annualized return.
BST
- 1D
- -0.09%
- 1M
- 2.92%
- YTD
- 16.91%
- 6M
- 19.17%
- 1Y
- 36.42%
- 3Y*
- 20.80%
- 5Y*
- 3.96%
- 10Y*
- 19.58%
HYT
- 1D
- 0.12%
- 1M
- 0.21%
- YTD
- 1.45%
- 6M
- -3.62%
- 1Y
- -1.11%
- 3Y*
- 10.09%
- 5Y*
- 2.64%
- 10Y*
- 7.34%
BST vs. HYT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BST BlackRock Science and Technology Trust | 16.91% | 23.65% | 17.96% | 30.07% | -38.28% | -0.35% | 69.27% | 34.57% | 8.84% | 57.43% |
HYT BlackRock Corporate High Yield Fund | 1.45% | 0.06% | 14.43% | 19.92% | -22.58% | 16.62% | 11.55% | 31.19% | -7.81% | 8.99% |
Correlation
The correlation between BST and HYT is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.40 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.39 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.48 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.44 |
Correlation (All Time) Calculated using the full available price history since Oct 30, 2014 | 0.44 |
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Return for Risk
BST vs. HYT — Risk / Return Rank
BST
HYT
BST vs. HYT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BlackRock Science and Technology Trust (BST) and BlackRock Corporate High Yield Fund (HYT). 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.
| BST | HYT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.04 | ||
| Sortino ratioReturn per unit of downside risk | +2.66 | ||
| Omega ratioGain probability vs. loss probability | 1.35 | 0.99 | +0.36 |
| Calmar ratioReturn relative to maximum drawdown | 2.39 | -0.11 | +2.50 |
| Martin ratioReturn relative to average drawdown | 7.82 | -0.27 | +8.08 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| BST | HYT | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.93 | -0.11 | +2.04 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.17 | 0.18 | -0.02 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.76 | 0.43 | +0.33 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.63 | 0.42 | +0.21 |
Drawdowns
BST vs. HYT - Drawdown Comparison
The maximum BST drawdown since its inception was -47.72%, smaller than the maximum HYT drawdown of -56.95%. Use the drawdown chart below to compare losses from any high point for BST and HYT.
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Drawdown Indicators
| BST | HYT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -47.72% | -56.95% | +9.23% |
Max Drawdown (1Y)Largest decline over 1 year | -15.31% | -10.17% | -5.14% |
Max Drawdown (3Y)Largest decline over 3 years | -23.37% | -13.95% | -9.42% |
Max Drawdown (5Y)Largest decline over 5 years | -47.72% | -29.05% | -18.67% |
Max Drawdown (10Y)Largest decline over 10 years | -47.72% | -42.59% | -5.13% |
Current DrawdownCurrent decline from peak | -7.74% | -4.65% | -3.09% |
Average DrawdownAverage peak-to-trough decline | -12.97% | -5.91% | -7.06% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.67% | 4.19% | +0.48% |
Volatility
BST vs. HYT - Volatility Comparison
BlackRock Science and Technology Trust (BST) has a higher volatility of 8.82% compared to BlackRock Corporate High Yield Fund (HYT) at 2.64%. This indicates that BST's price experiences larger fluctuations and is considered to be riskier than HYT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BST | HYT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.82% | 2.64% | +6.18% |
Volatility (6M)Calculated over the trailing 6-month period | 16.32% | 8.01% | +8.31% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.99% | 10.01% | +8.98% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.74% | 14.47% | +9.27% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 25.80% | 16.94% | +8.86% |
Dividends
BST vs. HYT - Dividend Comparison
BST's dividend yield for the trailing twelve months is around 9.14%, less than HYT's 10.84% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BST BlackRock Science and Technology Trust | 9.14% | 10.36% | 8.21% | 8.91% | 10.57% | 5.38% | 3.85% | 10.52% | 6.41% | 4.80% | 6.69% | 6.93% |
HYT BlackRock Corporate High Yield Fund | 10.84% | 10.50% | 9.53% | 9.91% | 9.80% | 7.58% | 8.18% | 7.92% | 9.20% | 7.68% | 8.23% | 10.18% |
Frequently Asked Questions
BST and HYT have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BST has higher volatility (8.82%) compared to HYT (2.64%). In terms of maximum drawdown, BST dropped -47.72% vs HYT's -56.95%.
BST currently has the higher Sharpe Ratio (1.93 vs -0.11), 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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