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 18.82%/yr vs 6.81%/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 15.67% return, which is significantly higher than HYT's 1.40% return. Over the past 10 years, BST has outperformed HYT with an annualized return of 18.82%, while HYT has yielded a comparatively lower 6.81% annualized return.
BST
- 1D
- 0.36%
- 1M
- -5.71%
- 6M
- 14.40%
- YTD
- 15.67%
- 1Y
- 29.40%
- 3Y*
- 19.70%
- 5Y*
- 5.25%
- 10Y*
- 18.82%
- ALL TIME*
- 15.59%
HYT
- 1D
- 0.36%
- 1M
- 0.09%
- 6M
- 1.11%
- YTD
- 1.40%
- 1Y
- -3.72%
- 3Y*
- 8.68%
- 5Y*
- 2.44%
- 10Y*
- 6.81%
- ALL TIME*
- 7.66%
BST vs. HYT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BST BlackRock Science and Technology Trust | 15.67% | 23.65% | 17.96% | 30.07% | -38.28% | -0.35% | 69.27% | 34.57% | 8.84% | 57.43% |
HYT BlackRock Corporate High Yield Fund | 1.40% | 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 0.46, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.46 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.40 |
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 29, 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.
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.
| BST | HYT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.75 | ||
| Sortino ratioReturn per unit of downside risk | +2.38 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 0.94 | +0.30 |
| Calmar ratioReturn relative to maximum drawdown | 1.93 | -0.37 | +2.30 |
| Martin ratioReturn relative to average drawdown | 5.86 | -0.83 | +6.69 |
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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 | -45.17% | -29.05% | -16.12% |
Max Drawdown (10Y)Largest decline over 10 years | -47.72% | -42.59% | -5.13% |
Current DrawdownCurrent decline from peak | -10.75% | -4.70% | -6.05% |
Average DrawdownAverage peak-to-trough decline | -12.89% | -5.90% | -6.99% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.03% | 4.47% | +0.56% |
Volatility
BST vs. HYT - Volatility Comparison
BlackRock Science and Technology Trust (BST) has a higher volatility of 9.46% compared to BlackRock Corporate High Yield Fund (HYT) at 1.88%. 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 | 9.46% | 1.88% | +7.58% |
Volatility (6M)Calculated over the trailing 6-month period | 18.71% | 6.85% | +11.86% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.53% | 9.87% | +11.66% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.96% | 14.38% | +9.58% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 25.96% | 16.91% | +9.05% |
Dividends
BST vs. HYT - Dividend Comparison
BST's dividend yield for the trailing twelve months is around 9.33%, less than HYT's 11.06% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BST BlackRock Science and Technology Trust | 9.33% | 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 | 11.06% | 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 0.46, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BST has higher volatility (9.46%) compared to HYT (1.88%). In terms of maximum drawdown, BST dropped -47.72% vs HYT's -56.95%.
BST currently has the higher Sharpe Ratio (1.37 vs -0.38), 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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