HYT vs. BSTZ

Last updated Jul 21, 2026

HYT (BlackRock Corporate High Yield Fund) is High Yield Bonds fund actively managed by BlackRock, while BSTZ (BlackRock Science and Technology Term Trust) is a stock. Over the past 5 years, HYT returned 2.44%/yr vs 3.19%/yr for BSTZ. At a 0.44 correlation, their price movements are largely independent.

Performance

HYT vs. BSTZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackRock Corporate High Yield Fund (HYT) and BlackRock Science and Technology Term Trust (BSTZ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, HYT achieves a 1.40% return, which is significantly lower than BSTZ's 28.07% return.

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%

BSTZ

• 1D: 0.40%
• 1M: -10.47%
• 6M: 26.89%
• YTD: 28.07%
• 1Y: 44.49%
• 3Y*: 27.66%
• 5Y*: 3.19%
• 10Y*: —
• ALL TIME*: 14.42%

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

HYT vs. BSTZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
HYT BlackRock Corporate High Yield Fund	1.40%	0.06%	14.43%	19.92%	-22.58%	16.62%	11.55%	10.92%
BSTZ BlackRock Science and Technology Term Trust	28.07%	25.06%	37.49%	18.72%	-55.34%	12.71%	87.46%	5.04%

Correlation

The correlation between HYT and BSTZ is 0.41, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.41
Correlation (3Y) Calculated over the trailing 3-year period	0.37
Correlation (5Y) Calculated over the trailing 5-year period	0.45
Correlation (All Time) Calculated using the full available price history since Jun 26, 2019	0.44

Return for Risk

HYT vs. BSTZ — Risk / Return Rank

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

HYT

HYT Risk / Return Rank: 1
HYT Sharpe Ratio Rank: 1
HYT Sortino Ratio Rank: 1
HYT Omega Ratio Rank: 1
HYT Calmar Ratio Rank: 1
HYT Martin Ratio Rank: 1

BSTZ

BSTZ Risk / Return Rank: 87
BSTZ Sharpe Ratio Rank: 88
BSTZ Sortino Ratio Rank: 83
BSTZ Omega Ratio Rank: 83
BSTZ Calmar Ratio Rank: 90
BSTZ Martin Ratio Rank: 93

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.

HYT vs. BSTZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackRock Corporate High Yield Fund (HYT) and BlackRock Science and Technology Term Trust (BSTZ). 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.

	HYT	BSTZ	Difference
Sharpe ratio: Return per unit of total volatility	-0.38	1.68	-2.06
Sortino ratio: Return per unit of downside risk	-0.46	2.20	-2.66
Omega ratio: Gain probability vs. loss probability	0.94	1.29	-0.35
Calmar ratio: Return relative to maximum drawdown	-0.37	3.58	-3.95
Martin ratio: Return relative to average drawdown	-0.83	11.56	-12.40

HYT vs. BSTZ - Sharpe Ratio Comparison

The current HYT Sharpe Ratio is -0.38, which is lower than the BSTZ Sharpe Ratio of 1.68. The chart below compares the historical Sharpe Ratios of HYT and BSTZ, 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

HYT vs. BSTZ - Drawdown Comparison

The maximum HYT drawdown since its inception was -56.95%, smaller than the maximum BSTZ drawdown of -60.51%. Use the drawdown chart below to compare losses from any high point for HYT and BSTZ.

Drawdown Indicators

	HYT	BSTZ	Difference
Max Drawdown Largest peak-to-trough decline	-56.95%	-60.51%	+3.56%
Max Drawdown (1Y) Largest decline over 1 year	-10.17%	-12.49%	+2.32%
Max Drawdown (3Y) Largest decline over 3 years	-13.95%	-25.31%	+11.36%
Max Drawdown (5Y) Largest decline over 5 years	-29.05%	-60.51%	+31.46%
Max Drawdown (10Y) Largest decline over 10 years	-42.59%	—	—
Current Drawdown Current decline from peak	-4.70%	-12.14%	+7.44%
Average Drawdown Average peak-to-trough decline	-5.90%	-27.18%	+21.28%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.47%	3.86%	+0.61%

Volatility

HYT vs. BSTZ - Volatility Comparison

The current volatility for BlackRock Corporate High Yield Fund (HYT) is 1.88%, while BlackRock Science and Technology Term Trust (BSTZ) has a volatility of 11.41%. This indicates that HYT experiences smaller price fluctuations and is considered to be less risky than BSTZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	HYT	BSTZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.88%	11.41%	-9.53%
Volatility (6M) Calculated over the trailing 6-month period	6.85%	23.50%	-16.65%
Volatility (1Y) Calculated over the trailing 1-year period	9.87%	26.71%	-16.84%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.38%	28.09%	-13.71%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.91%	30.40%	-13.49%

Dividends

HYT vs. BSTZ - Dividend Comparison

HYT's dividend yield for the trailing twelve months is around 11.06%, more than BSTZ's 8.72% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BSTZ BlackRock Science and Technology Term Trust	8.72%	12.46%	9.75%	10.90%	14.73%	5.14%	3.42%	2.44%	0.00%	0.00%	0.00%	0.00%
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

Can I hold both HYT and BSTZ in my portfolio?

HYT and BSTZ have a correlation of 0.41, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, HYT or BSTZ?

BSTZ has higher volatility (11.41%) compared to HYT (1.88%). In terms of maximum drawdown, HYT dropped -56.95% vs BSTZ's -60.51%.

Which has better risk-adjusted returns?

BSTZ currently has the higher Sharpe Ratio (1.68 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.