MEDI vs. IDNA

Last updated Jun 4, 2026

MEDI (Harbor Health Care ETF) and IDNA (iShares Genomics Immunology and Healthcare ETF Genomics Immunology and Healthcare Fund) are both Health & Biotech Equities funds. MEDI is actively managed, while IDNA is passively managed. Over the past 3 years, MEDI returned 12.46%/yr vs 6.74%/yr for IDNA. A 0.69 correlation means they provide meaningful diversification when combined. MEDI charges 0.80%/yr vs 0.47%/yr for IDNA.

Performance

MEDI vs. IDNA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Harbor Health Care ETF (MEDI) and iShares Genomics Immunology and Healthcare ETF Genomics Immunology and Healthcare Fund (IDNA). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MEDI achieves a -4.02% return, which is significantly lower than IDNA's 10.31% return.

MEDI

• 1D: 1.06%
• 1M: -0.93%
• YTD: -4.02%
• 6M: -4.83%
• 1Y: 18.27%
• 3Y*: 12.46%
• 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*: —

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

MEDI vs. IDNA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
MEDI Harbor Health Care ETF	-4.02%	27.11%	0.58%	24.87%	2.60%
IDNA iShares Genomics Immunology and Healthcare ETF Genomics Immunology and Healthcare Fund	10.31%	17.26%	-0.72%	-7.63%	-9.78%

Correlation

The correlation between MEDI and IDNA is 0.76, 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	0.76
Correlation (3Y) Calculated over the trailing 3-year period	0.69
Correlation (All Time) Calculated using the full available price history since Nov 18, 2022	0.69

The correlation between MEDI and IDNA has been stable across timeframes, ranging from 0.69 to 0.76 - a consistent structural relationship.

MEDI vs. IDNA - Sectors Allocation Comparison

Sectors	MEDI	IDNA
Healthcare	100.0%	97.8%
Basic Materials	-	-
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Energy	-	-
Financial Services	-	-
Industrials	-	0.4%
Real Estate	-	-
Technology	-	-
Utilities	-	-

Return for Risk

MEDI vs. IDNA — Risk / Return Rank

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

MEDI

MEDI Risk / Return Rank: 26
MEDI Sharpe Ratio Rank: 26
MEDI Sortino Ratio Rank: 27
MEDI Omega Ratio Rank: 24
MEDI Calmar Ratio Rank: 25
MEDI Martin Ratio Rank: 26

IDNA

IDNA Risk / Return Rank: 55
IDNA Sharpe Ratio Rank: 48
IDNA Sortino Ratio Rank: 49
IDNA Omega Ratio Rank: 42
IDNA Calmar Ratio Rank: 76
IDNA Martin Ratio Rank: 61

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.

MEDI vs. IDNA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Harbor Health Care ETF (MEDI) 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.

	MEDI	IDNA	Difference
Sharpe ratio Return per unit of total volatility	0.93	1.68	-0.75
Sortino ratio Return per unit of downside risk	1.46	2.44	-0.98
Omega ratio Gain probability vs. loss probability	1.17	1.27	-0.11
Calmar ratio Return relative to maximum drawdown	1.20	3.85	-2.65
Martin ratio Return relative to average drawdown	3.59	10.98	-7.39
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MEDI vs. IDNA - Sharpe Ratio Comparison

The current MEDI Sharpe Ratio is 0.93, which is lower than the IDNA Sharpe Ratio of 1.68. The chart below compares the historical Sharpe Ratios of MEDI and IDNA, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	MEDI	IDNA	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.93	1.68	-0.75
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	-0.30	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.74	0.10	+0.64

Drawdowns

MEDI vs. IDNA - Drawdown Comparison

The maximum MEDI drawdown since its inception was -19.24%, smaller than the maximum IDNA drawdown of -68.26%. Use the drawdown chart below to compare losses from any high point for MEDI and IDNA.

Drawdown Indicators

	MEDI	IDNA	Difference
Max Drawdown Largest peak-to-trough decline	-19.24%	-68.26%	+49.02%
Max Drawdown (1Y) Largest decline over 1 year	-15.34%	-10.66%	-4.68%
Max Drawdown (3Y) Largest decline over 3 years	-19.24%	-29.73%	+10.49%
Max Drawdown (5Y) Largest decline over 5 years	—	-68.26%	—
Current Drawdown Current decline from peak	-8.01%	-45.61%	+37.60%
Average Drawdown Average peak-to-trough decline	-4.28%	-36.24%	+31.96%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.10%	3.73%	+1.37%

Volatility

MEDI vs. IDNA - Volatility Comparison

The current volatility for Harbor Health Care ETF (MEDI) is 6.02%, while iShares Genomics Immunology and Healthcare ETF Genomics Immunology and Healthcare Fund (IDNA) has a volatility of 7.18%. This indicates that MEDI 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.

Volatility by Period

	MEDI	IDNA	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.02%	7.18%	-1.16%
Volatility (6M) Calculated over the trailing 6-month period	15.42%	17.98%	-2.56%
Volatility (1Y) Calculated over the trailing 1-year period	19.82%	24.48%	-4.66%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.63%	28.42%	-9.79%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.63%	29.53%	-10.90%

MEDI vs. IDNA - Expense Ratio Comparison

MEDI has a 0.80% expense ratio, which is higher than IDNA's 0.47% expense ratio.

Dividends

MEDI vs. IDNA - Dividend Comparison

MEDI's dividend yield for the trailing twelve months is around 0.29%, less than IDNA's 1.07% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
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%
MEDI Harbor Health Care ETF	0.29%	0.28%	0.54%	1.86%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MEDI and IDNA in my portfolio?

MEDI and IDNA have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MEDI or IDNA?

IDNA has higher volatility (7.18%) compared to MEDI (6.02%). In terms of maximum drawdown, MEDI dropped -19.24% vs IDNA's -68.26%.

Which ETF is better, MEDI or IDNA?

On 3-year performance, MEDI leads with 12.46% vs 6.74% for IDNA. On fees, IDNA is cheaper at 0.47% per year. On volatility, MEDI has been the lower-risk option at 6.02%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MEDI or IDNA?

Over the 3-year period, MEDI has performed better with a 12.46% return vs 6.74%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MEDI or IDNA?

IDNA is cheaper with a 0.47% expense ratio, compared with 0.80% for MEDI.

Which ETF pays a higher dividend yield, MEDI or IDNA?

IDNA has the higher dividend yield at 1.07%, compared with 0.29% for MEDI.

What is the main difference between MEDI and IDNA?

They also come from different issuers: Harbor and iShares. Their fees differ too: 0.80% for MEDI and 0.47% for IDNA.

Which has better risk-adjusted returns?

IDNA currently has the higher Sharpe Ratio (1.68 vs 0.93), 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.