NASA vs. HRTS

Last updated Jul 18, 2026

NASA (Tema Space Innovators ETF) and HRTS (Tema Obesity & Cardiometabolic ETF) are both exchange-traded funds - NASA is a Aerospace & Defense fund actively managed by Tema, while HRTS is a Health & Biotech Equities fund actively managed by Tema. Both are actively managed. At a 0.12 correlation, their price movements are largely independent. Both charge a 0.75% expense ratio.

Performance

NASA vs. HRTS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Tema Space Innovators ETF (NASA) and Tema Obesity & Cardiometabolic ETF (HRTS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

NASA

• 1D: -0.99%
• 1M: -27.32%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

HRTS

• 1D: -0.21%
• 1M: 6.79%
• 6M: 1.77%
• YTD: 3.28%
• 1Y: 29.29%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

NASA vs. HRTS - Yearly Performance Comparison

	2026 (YTD)
NASA Tema Space Innovators ETF	-4.61%
HRTS Tema Obesity & Cardiometabolic ETF	11.38%

Correlation

The correlation between NASA and HRTS is 0.12, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Mar 31, 2026	0.12

Return for Risk

NASA vs. HRTS — Risk / Return Rank

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

NASA

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

HRTS

HRTS Risk / Return Rank: 66
HRTS Sharpe Ratio Rank: 71
HRTS Sortino Ratio Rank: 77
HRTS Omega Ratio Rank: 65
HRTS Calmar Ratio Rank: 68
HRTS Martin Ratio Rank: 50

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.

NASA vs. HRTS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Tema Space Innovators ETF (NASA) and Tema Obesity & Cardiometabolic ETF (HRTS). 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.

	NASA	HRTS	Difference
Sharpe ratio: Return per unit of total volatility	—	1.79	—
Sortino ratio: Return per unit of downside risk	—	2.71	—
Omega ratio: Gain probability vs. loss probability	—	1.30	—
Calmar ratio: Return relative to maximum drawdown	—	2.67	—
Martin ratio: Return relative to average drawdown	—	6.42	—

Drawdowns

NASA vs. HRTS - Drawdown Comparison

The maximum NASA drawdown since its inception was -45.12%, which is greater than HRTS's maximum drawdown of -25.81%. Use the drawdown chart below to compare losses from any high point for NASA and HRTS.

Drawdown Indicators

	NASA	HRTS	Difference
Max Drawdown Largest peak-to-trough decline	-45.12%	-25.81%	-19.31%
Max Drawdown (1Y) Largest decline over 1 year	—	-11.01%	—
Current Drawdown Current decline from peak	-45.12%	-2.98%	-42.14%
Average Drawdown Average peak-to-trough decline	-14.01%	-8.78%	-5.23%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	4.58%	—

Volatility

Volatility by Period

	NASA	HRTS	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	5.49%	—
Volatility (6M) Calculated over the trailing 6-month period	—	12.22%	—
Volatility (1Y) Calculated over the trailing 1-year period	66.63%	16.47%	+50.16%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	66.63%	19.09%	+47.54%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	66.63%	19.09%	+47.54%

NASA vs. HRTS - Expense Ratio Comparison

Both NASA and HRTS have an expense ratio of 0.75%.

Dividends

NASA vs. HRTS - Dividend Comparison

NASA has not paid dividends to shareholders, while HRTS's dividend yield for the trailing twelve months is around 1.30%.

Position	TTM	2025	2024
HRTS Tema Obesity & Cardiometabolic ETF	1.30%	1.34%	1.63%
NASA Tema Space Innovators ETF	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both NASA and HRTS in my portfolio?

NASA and HRTS have a correlation of 0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, NASA or HRTS?

Both ETFs have the same 0.75% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, NASA or HRTS?

NASA and HRTS have the same expense ratio: 0.75% per year.

Which ETF pays a higher dividend yield, NASA or HRTS?

HRTS has the higher dividend yield at 1.30%, compared with 0.00% for NASA.

What is the main difference between NASA and HRTS?

NASA is categorized as Aerospace & Defense, while HRTS is Health & Biotech Equities.