BIGZ vs. ARKK

Last updated Jun 25, 2026

BIGZ (Blackrock Innovation & Growth Trust) is a stock, while ARKK (ARK Innovation ETF) is Technology Equities fund actively managed by ARK. Over the past 5 years, BIGZ returned -6.19%/yr vs -9.12%/yr for ARKK. A 0.71 correlation means they provide meaningful diversification when combined.

Performance

BIGZ vs. ARKK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Blackrock Innovation & Growth Trust (BIGZ) and ARK Innovation ETF (ARKK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BIGZ achieves a 37.95% return, which is significantly higher than ARKK's -0.26% return.

BIGZ

• 1D: -4.89%
• 1M: -1.68%
• YTD: 37.95%
• 6M: 35.48%
• 1Y: 32.93%
• 3Y*: 16.26%
• 5Y*: -6.19%
• 10Y*: —

ARKK

• 1D: 0.05%
• 1M: 0.42%
• YTD: -0.26%
• 6M: -4.87%
• 1Y: 9.13%
• 3Y*: 22.44%
• 5Y*: -9.12%
• 10Y*: 15.90%

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

BIGZ vs. ARKK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
BIGZ Blackrock Innovation & Growth Trust	37.95%	0.86%	13.42%	19.29%	-47.76%	-24.45%
ARKK ARK Innovation ETF	-0.26%	35.49%	8.40%	69.04%	-66.97%	-16.87%

Correlation

The correlation between BIGZ and ARKK is 0.56, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.56
Correlation (3Y) Calculated over the trailing 3-year period	0.66
Correlation (5Y) Calculated over the trailing 5-year period	0.72
Correlation (All Time) Calculated using the full available price history since Mar 26, 2021	0.71

The correlation between BIGZ and ARKK shifts across timeframes, from 0.56 (1 year) to 0.72 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

BIGZ vs. ARKK — Risk / Return Rank

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

BIGZ

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

ARKK

ARKK Risk / Return Rank: 12
ARKK Sharpe Ratio Rank: 12
ARKK Sortino Ratio Rank: 13
ARKK Omega Ratio Rank: 13
ARKK Calmar Ratio Rank: 12
ARKK Martin Ratio Rank: 12

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.

BIGZ vs. ARKK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Blackrock Innovation & Growth Trust (BIGZ) and ARK Innovation ETF (ARKK). 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.

	BIGZ	ARKK	Difference
Sharpe ratio: Return per unit of total volatility	1.53	0.25	+1.28
Sortino ratio: Return per unit of downside risk	2.19	0.61	+1.58
Omega ratio: Gain probability vs. loss probability	1.26	1.07	+0.19
Calmar ratio: Return relative to maximum drawdown	2.66	0.29	+2.37
Martin ratio: Return relative to average drawdown	6.61	0.63	+5.98

BIGZ vs. ARKK - Sharpe Ratio Comparison

The current BIGZ Sharpe Ratio is 1.53, which is higher than the ARKK Sharpe Ratio of 0.25. The chart below compares the historical Sharpe Ratios of BIGZ and ARKK, 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

BIGZ vs. ARKK - Drawdown Comparison

The maximum BIGZ drawdown since its inception was -67.27%, smaller than the maximum ARKK drawdown of -80.97%. Use the drawdown chart below to compare losses from any high point for BIGZ and ARKK.

Drawdown Indicators

	BIGZ	ARKK	Difference
Max Drawdown Largest peak-to-trough decline	-67.27%	-80.97%	+13.70%
Max Drawdown (1Y) Largest decline over 1 year	-13.99%	-31.35%	+17.36%
Max Drawdown (3Y) Largest decline over 3 years	-31.71%	-39.56%	+7.85%
Max Drawdown (5Y) Largest decline over 5 years	-63.51%	-77.23%	+13.72%
Max Drawdown (10Y) Largest decline over 10 years	—	-80.97%	—
Current Drawdown Current decline from peak	-35.25%	-50.32%	+15.07%
Average Drawdown Average peak-to-trough decline	-49.52%	-30.20%	-19.32%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.63%	14.61%	-8.98%

Volatility

BIGZ vs. ARKK - Volatility Comparison

The current volatility for Blackrock Innovation & Growth Trust (BIGZ) is 9.93%, while ARK Innovation ETF (ARKK) has a volatility of 12.53%. This indicates that BIGZ experiences smaller price fluctuations and is considered to be less risky than ARKK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BIGZ	ARKK	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.93%	12.53%	-2.60%
Volatility (6M) Calculated over the trailing 6-month period	19.72%	26.63%	-6.91%
Volatility (1Y) Calculated over the trailing 1-year period	24.37%	36.17%	-11.80%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.75%	46.46%	-16.71%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.54%	40.39%	-10.85%

Dividends

BIGZ vs. ARKK - Dividend Comparison

Neither BIGZ nor ARKK has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ARKK ARK Innovation ETF	0.00%	0.00%	0.00%	0.70%	0.00%	0.55%	1.64%	0.38%	3.14%	1.32%	0.00%	2.27%
BIGZ Blackrock Innovation & Growth Trust	7.50%	13.68%	11.21%	10.45%	14.54%	4.81%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both BIGZ and ARKK in my portfolio?

BIGZ and ARKK have a correlation of 0.56, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BIGZ or ARKK?

ARKK has higher volatility (12.53%) compared to BIGZ (9.93%). In terms of maximum drawdown, BIGZ dropped -67.27% vs ARKK's -80.97%.

Which has better risk-adjusted returns?

BIGZ currently has the higher Sharpe Ratio (1.53 vs 0.25), 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.