GDOC vs. IDNA
GDOC (Goldman Sachs Future Health Care Equity ETF) and IDNA (iShares Genomics Immunology and Healthcare ETF Genomics Immunology and Healthcare Fund) are both Health & Biotech Equities funds. GDOC is actively managed, while IDNA is passively managed. Over the past 3 years, GDOC returned 0.05%/yr vs 6.74%/yr for IDNA. A 0.75 correlation means they provide meaningful diversification when combined. GDOC charges 0.75%/yr vs 0.47%/yr for IDNA.
Performance
GDOC vs. IDNA - Performance Comparison
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Returns By Period
In the year-to-date period, GDOC achieves a -7.76% return, which is significantly lower than IDNA's 10.31% return.
GDOC
- 1D
- 0.41%
- 1M
- 1.93%
- YTD
- -7.76%
- 6M
- -9.87%
- 1Y
- 5.18%
- 3Y*
- 0.05%
- 5Y*
- —
- 10Y*
- —
IDNA
- 1D
- 0.73%
- 1M
- -2.56%
- YTD
- 10.31%
- 6M
- 8.52%
- 1Y
- 40.87%
- 3Y*
- 6.74%
- 5Y*
- -8.42%
- 10Y*
- —
GDOC vs. IDNA - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
GDOC Goldman Sachs Future Health Care Equity ETF | -7.76% | 10.74% | -1.66% | 4.60% | -17.12% | -2.77% |
IDNA iShares Genomics Immunology and Healthcare ETF Genomics Immunology and Healthcare Fund | 10.31% | 17.26% | -0.72% | -7.63% | -42.28% | -7.99% |
Correlation
The correlation between GDOC and IDNA is 0.74, 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 | 0.74 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.68 |
Correlation (All Time) Calculated using the full available price history since Nov 12, 2021 | 0.75 |
The correlation between GDOC and IDNA has been stable across timeframes, ranging from 0.68 to 0.75 - a consistent structural relationship.
GDOC vs. IDNA - Sectors Allocation Comparison
Sectors
GDOC
IDNA
Healthcare
Consumer Defensive
-
Basic Materials
-
-
Communication Services
-
-
Consumer Cyclical
-
-
Energy
-
-
Financial Services
-
-
Industrials
-
Real Estate
-
-
Technology
-
-
Utilities
-
-
Healthcare
GDOC
IDNA
Consumer Defensive
GDOC
IDNA
-
Basic Materials
GDOC
-
IDNA
-
Communication Services
GDOC
-
IDNA
-
Consumer Cyclical
GDOC
-
IDNA
-
Energy
GDOC
-
IDNA
-
Financial Services
GDOC
-
IDNA
-
Industrials
GDOC
-
IDNA
Real Estate
GDOC
-
IDNA
-
Technology
GDOC
-
IDNA
-
Utilities
GDOC
-
IDNA
-
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Return for Risk
GDOC vs. IDNA — Risk / Return Rank
GDOC
IDNA
GDOC vs. IDNA - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Goldman Sachs Future Health Care Equity ETF (GDOC) and iShares Genomics Immunology and Healthcare ETF Genomics Immunology and Healthcare Fund (IDNA). 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.
| GDOC | IDNA | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.35 | ||
| Sortino ratioReturn per unit of downside risk | -1.84 | ||
| Omega ratioGain probability vs. loss probability | 1.07 | 1.27 | -0.21 |
| Calmar ratioReturn relative to maximum drawdown | 0.33 | 3.85 | -3.52 |
| Martin ratioReturn relative to average drawdown | 0.76 | 10.98 | -10.22 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| GDOC | IDNA | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.33 | 1.68 | -1.35 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | -0.30 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.19 | 0.10 | -0.29 |
Drawdowns
GDOC vs. IDNA - Drawdown Comparison
The maximum GDOC drawdown since its inception was -31.01%, smaller than the maximum IDNA drawdown of -68.26%. Use the drawdown chart below to compare losses from any high point for GDOC and IDNA.
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Drawdown Indicators
| GDOC | IDNA | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -31.01% | -68.26% | +37.25% |
Max Drawdown (1Y)Largest decline over 1 year | -15.67% | -10.66% | -5.01% |
Max Drawdown (3Y)Largest decline over 3 years | -22.51% | -29.73% | +7.22% |
Max Drawdown (5Y)Largest decline over 5 years | — | -68.26% | — |
Current DrawdownCurrent decline from peak | -15.53% | -45.61% | +30.08% |
Average DrawdownAverage peak-to-trough decline | -15.90% | -36.24% | +20.34% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.83% | 3.73% | +3.10% |
Volatility
GDOC vs. IDNA - Volatility Comparison
The current volatility for Goldman Sachs Future Health Care Equity ETF (GDOC) is 4.90%, while iShares Genomics Immunology and Healthcare ETF Genomics Immunology and Healthcare Fund (IDNA) has a volatility of 7.18%. This indicates that GDOC experiences smaller price fluctuations and is considered to be less risky than IDNA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GDOC | IDNA | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.90% | 7.18% | -2.28% |
Volatility (6M)Calculated over the trailing 6-month period | 11.61% | 17.98% | -6.37% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.64% | 24.48% | -8.84% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.79% | 28.42% | -9.63% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.79% | 29.53% | -10.74% |
GDOC vs. IDNA - Expense Ratio Comparison
GDOC has a 0.75% expense ratio, which is higher than IDNA's 0.47% expense ratio.
Dividends
GDOC vs. IDNA - Dividend Comparison
GDOC's dividend yield for the trailing twelve months is around 0.35%, less than IDNA's 1.07% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 |
|---|---|---|---|---|---|---|---|---|
GDOC Goldman Sachs Future Health Care Equity ETF | 0.35% | 0.32% | 0.02% | 0.55% | 0.00% | 0.00% | 0.00% | 0.00% |
IDNA iShares Genomics Immunology and Healthcare ETF Genomics Immunology and Healthcare Fund | 1.07% | 1.18% | 0.98% | 1.04% | 0.54% | 0.70% | 0.26% | 0.80% |
Frequently Asked Questions
GDOC and IDNA have a correlation of 0.74, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IDNA has higher volatility (7.18%) compared to GDOC (4.90%). In terms of maximum drawdown, GDOC dropped -31.01% vs IDNA's -68.26%.
On 3-year performance, IDNA leads with 6.74% vs 0.05% for GDOC. On fees, IDNA is cheaper at 0.47% per year. On volatility, GDOC has been the lower-risk option at 4.90%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, IDNA has performed better with a 6.74% return vs 0.05%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IDNA is cheaper with a 0.47% expense ratio, compared with 0.75% for GDOC.
IDNA has the higher dividend yield at 1.07%, compared with 0.35% for GDOC.
They also come from different issuers: Goldman Sachs and iShares. Their fees differ too: 0.75% for GDOC and 0.47% for IDNA.
IDNA currently has the higher Sharpe Ratio (1.68 vs 0.33), 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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