IAK vs. RKLB
IAK (iShares U.S. Insurance ETF) is Financials Equities fund tracking the Dow Jones U.S. Select Insurance Index, while RKLB (Rocket Lab USA, Inc.) is a stock. Over the past 3 years, IAK returned 18.27%/yr vs 158.32%/yr for RKLB. At a 0.17 correlation, their price movements are largely independent.
Performance
IAK vs. RKLB - Performance Comparison
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Returns By Period
In the year-to-date period, IAK achieves a 1.11% return, which is significantly lower than RKLB's 46.77% return.
IAK
- 1D
- 0.68%
- 1M
- 4.20%
- YTD
- 1.11%
- 6M
- 0.88%
- 1Y
- 4.33%
- 3Y*
- 18.27%
- 5Y*
- 13.37%
- 10Y*
- 12.67%
RKLB
- 1D
- -10.79%
- 1M
- -17.53%
- YTD
- 46.77%
- 6M
- 66.51%
- 1Y
- 287.84%
- 3Y*
- 158.32%
- 5Y*
- —
- 10Y*
- —
IAK vs. RKLB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
IAK iShares U.S. Insurance ETF | 1.11% | 9.50% | 28.25% | 11.28% | 11.33% | 3.73% |
RKLB Rocket Lab USA, Inc. | 46.77% | 173.89% | 360.58% | 46.68% | -69.30% | 8.67% |
Correlation
The correlation between IAK and RKLB is -0.05, 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 | -0.05 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.08 |
Correlation (All Time) Calculated using the full available price history since Aug 24, 2021 | 0.17 |
The correlation between IAK and RKLB shifts across timeframes, from -0.05 (1 year) to 0.17 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
IAK vs. RKLB — Risk / Return Rank
IAK
RKLB
IAK vs. RKLB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Insurance ETF (IAK) and Rocket Lab USA, Inc. (RKLB). 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.
| IAK | RKLB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.83 | ||
| Sortino ratioReturn per unit of downside risk | -2.63 | ||
| Omega ratioGain probability vs. loss probability | 1.06 | 1.38 | -0.32 |
| Calmar ratioReturn relative to maximum drawdown | 0.57 | 6.74 | -6.17 |
| Martin ratioReturn relative to average drawdown | 1.27 | 15.44 | -14.16 |
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Drawdowns
IAK vs. RKLB - Drawdown Comparison
The maximum IAK drawdown since its inception was -77.38%, smaller than the maximum RKLB drawdown of -82.96%. Use the drawdown chart below to compare losses from any high point for IAK and RKLB.
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Drawdown Indicators
| IAK | RKLB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -77.38% | -82.96% | +5.58% |
Max Drawdown (1Y)Largest decline over 1 year | -7.62% | -43.01% | +35.39% |
Max Drawdown (3Y)Largest decline over 3 years | -11.58% | -55.49% | +43.91% |
Max Drawdown (5Y)Largest decline over 5 years | -14.76% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -44.95% | — | — |
Current DrawdownCurrent decline from peak | -0.23% | -31.84% | +31.61% |
Average DrawdownAverage peak-to-trough decline | -16.11% | -51.29% | +35.18% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.41% | 18.75% | -15.34% |
Volatility
IAK vs. RKLB - Volatility Comparison
The current volatility for iShares U.S. Insurance ETF (IAK) is 5.49%, while Rocket Lab USA, Inc. (RKLB) has a volatility of 31.54%. This indicates that IAK experiences smaller price fluctuations and is considered to be less risky than RKLB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IAK | RKLB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.49% | 31.54% | -26.05% |
Volatility (6M)Calculated over the trailing 6-month period | 10.75% | 73.47% | -62.72% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.10% | 93.03% | -77.93% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.14% | 81.62% | -63.48% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.92% | 81.62% | -60.70% |
Dividends
IAK vs. RKLB - Dividend Comparison
IAK's dividend yield for the trailing twelve months is around 2.60%, while RKLB has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IAK iShares U.S. Insurance ETF | 2.60% | 1.69% | 1.49% | 1.44% | 1.69% | 2.26% | 2.07% | 1.84% | 2.33% | 1.62% | 1.68% | 1.62% |
RKLB Rocket Lab USA, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
IAK and RKLB have a correlation of -0.05, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
RKLB has higher volatility (31.54%) compared to IAK (5.49%). In terms of maximum drawdown, IAK dropped -77.38% vs RKLB's -82.96%.
RKLB currently has the higher Sharpe Ratio (3.12 vs 0.29), 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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