GCBC vs. BSTZ

Last updated Jul 17, 2026

GCBC (Greene County Bancorp, Inc.) and BSTZ (BlackRock Science and Technology Term Trust) are both stocks. Both are in the Financial Services sector — GCBC in Banks - Regional, BSTZ in Capital Markets. Over the past 5 years, GCBC returned 19.96%/yr vs 3.50%/yr for BSTZ. At a 0.19 correlation, their price movements are largely independent.

Performance

GCBC vs. BSTZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Greene County Bancorp, Inc. (GCBC) 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, GCBC achieves a 51.95% return, which is significantly higher than BSTZ's 28.44% return.

GCBC

• 1D: 2.51%
• 1M: 16.20%
• 6M: 48.67%
• YTD: 51.95%
• 1Y: 32.31%
• 3Y*: 5.52%
• 5Y*: 19.96%
• 10Y*: 16.38%

BSTZ

• 1D: -4.57%
• 1M: -9.55%
• 6M: 26.37%
• YTD: 28.44%
• 1Y: 49.56%
• 3Y*: 27.37%
• 5Y*: 3.50%
• 10Y*: —

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

GCBC vs. BSTZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
GCBC Greene County Bancorp, Inc.	51.95%	-18.53%	-0.61%	-0.57%	57.91%	46.75%	-9.74%	-0.26%
BSTZ BlackRock Science and Technology Term Trust	28.44%	25.06%	37.49%	18.72%	-55.34%	12.71%	87.46%	5.04%

Correlation

The correlation between GCBC and BSTZ is 0.03, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.03
Correlation (3Y) Calculated over the trailing 3-year period	0.16
Correlation (5Y) Calculated over the trailing 5-year period	0.18
Correlation (All Time) Calculated using the full available price history since Jun 26, 2019	0.19

The correlation between GCBC and BSTZ shifts across timeframes, from 0.03 (1 year) to 0.19 (all time), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap GCBC : $570.35M BSTZ : $1.91B
EPS GCBC : $2.51 BSTZ : $8.53
PE Ratio GCBC : 13.35 BSTZ : 3.25
PEG Ratio GCBC : 1.62 BSTZ : 0.36
PS Ratio GCBC : 3.56 BSTZ : 5.28
Total Revenue (TTM) GCBC : $106.77M BSTZ : $361.49M
Gross Profit (TTM) GCBC : $63.62M BSTZ : $169.67M
EBITDA (TTM) GCBC : $33.26M BSTZ : $586.67M

Return for Risk

GCBC vs. BSTZ — Risk / Return Rank

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

GCBC

GCBC Risk / Return Rank: 72
GCBC Sharpe Ratio Rank: 73
GCBC Sortino Ratio Rank: 70
GCBC Omega Ratio Rank: 66
GCBC Calmar Ratio Rank: 79
GCBC Martin Ratio Rank: 73

BSTZ

BSTZ Risk / Return Rank: 89
BSTZ Sharpe Ratio Rank: 90
BSTZ Sortino Ratio Rank: 85
BSTZ Omega Ratio Rank: 85
BSTZ Calmar Ratio Rank: 92
BSTZ Martin Ratio Rank: 94

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.

GCBC vs. BSTZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Greene County Bancorp, Inc. (GCBC) 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.

	GCBC	BSTZ	Difference
Sharpe ratio: Return per unit of total volatility	0.91	1.86	-0.96
Sortino ratio: Return per unit of downside risk	1.54	2.39	-0.85
Omega ratio: Gain probability vs. loss probability	1.17	1.32	-0.14
Calmar ratio: Return relative to maximum drawdown	2.01	4.19	-2.18
Martin ratio: Return relative to average drawdown	3.47	13.44	-9.96

GCBC vs. BSTZ - Sharpe Ratio Comparison

The current GCBC Sharpe Ratio is 0.91, which is lower than the BSTZ Sharpe Ratio of 1.86. The chart below compares the historical Sharpe Ratios of GCBC 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

GCBC vs. BSTZ - Drawdown Comparison

The maximum GCBC drawdown since its inception was -53.06%, smaller than the maximum BSTZ drawdown of -60.51%. Use the drawdown chart below to compare losses from any high point for GCBC and BSTZ.

Drawdown Indicators

	GCBC	BSTZ	Difference
Max Drawdown Largest peak-to-trough decline	-53.06%	-60.51%	+7.45%
Max Drawdown (1Y) Largest decline over 1 year	-16.16%	-11.89%	-4.27%
Max Drawdown (3Y) Largest decline over 3 years	-42.92%	-25.31%	-17.61%
Max Drawdown (5Y) Largest decline over 5 years	-53.06%	-60.51%	+7.45%
Max Drawdown (10Y) Largest decline over 10 years	-53.06%	—	—
Current Drawdown Current decline from peak	-7.89%	-11.89%	+4.00%
Average Drawdown Average peak-to-trough decline	-14.62%	-27.20%	+12.58%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.32%	3.70%	+5.62%

Volatility

GCBC vs. BSTZ - Volatility Comparison

Greene County Bancorp, Inc. (GCBC) has a higher volatility of 13.70% compared to BlackRock Science and Technology Term Trust (BSTZ) at 11.70%. This indicates that GCBC's price experiences larger fluctuations and is considered to be riskier than BSTZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GCBC	BSTZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.70%	11.70%	+2.00%
Volatility (6M) Calculated over the trailing 6-month period	23.47%	23.49%	-0.02%
Volatility (1Y) Calculated over the trailing 1-year period	36.04%	26.72%	+9.32%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	43.54%	28.11%	+15.43%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	42.62%	30.42%	+12.20%

Dividends

GCBC vs. BSTZ - Dividend Comparison

GCBC's dividend yield for the trailing twelve months is around 1.19%, less than BSTZ's 8.70% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BSTZ BlackRock Science and Technology Term Trust	8.70%	12.46%	9.75%	10.90%	14.73%	5.14%	3.42%	2.44%	0.00%	0.00%	0.00%	0.00%
GCBC Greene County Bancorp, Inc.	1.19%	1.71%	1.23%	1.06%	0.94%	1.36%	1.80%	1.46%	1.27%	1.18%	1.64%	2.28%

Financials

Frequently Asked Questions

Can I hold both GCBC and BSTZ in my portfolio?

GCBC and BSTZ have a correlation of 0.03, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GCBC or BSTZ?

GCBC has higher volatility (13.70%) compared to BSTZ (11.70%). In terms of maximum drawdown, GCBC dropped -53.06% vs BSTZ's -60.51%.

Which has better risk-adjusted returns?

BSTZ currently has the higher Sharpe Ratio (1.86 vs 0.91), 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.