DISK vs. NASA

Last updated Jul 27, 2026

DISK (Tema Memory ETF) and NASA (Tema Space Innovators ETF) are both exchange-traded funds - DISK is a Semiconductors fund actively managed by Tema, while NASA is a Aerospace & Defense fund actively managed by Tema. Both are actively managed. Their 0.72 correlation means they have sometimes moved together and sometimes differently. Both charge a 0.75% expense ratio.

Performance

DISK vs. NASA - Performance Comparison

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

Returns By Period

DISK

• 1D: -9.86%
• 1M: —
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

NASA

• 1D: -4.69%
• 1M: -16.70%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
DISK Tema Memory ETF	$13.68M	$15.67M	$15.67M
NASA Tema Space Innovators ETF	$43.41M	$61.73M	$218.36M

DISK vs. NASA - Yearly Performance Comparison

	2026 (YTD)
DISK Tema Memory ETF	-30.68%
NASA Tema Space Innovators ETF	-24.15%

Correlation

The correlation between DISK and NASA is 0.72, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jun 30, 2026	0.72

Return for Risk

DISK vs. NASA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Tema Memory ETF (DISK) and Tema Space Innovators ETF (NASA). 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.

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

Drawdowns

DISK vs. NASA - Drawdown Comparison

The maximum DISK drawdown since its inception was -32.90%, smaller than the maximum NASA drawdown of -47.15%. Use the drawdown chart below to compare losses from any high point for DISK and NASA.

Drawdown Indicators

	DISK	NASA	Difference
Max Drawdown Largest peak-to-trough decline	-32.90%	-47.15%	+14.25%
Current Drawdown Current decline from peak	-32.90%	-47.15%	+14.25%
Average Drawdown Average peak-to-trough decline	-21.04%	-15.96%	-5.08%

Volatility

Volatility by Period

	DISK	NASA	Difference
Volatility (1Y) Calculated over the trailing 1-year period	110.87%	65.88%	+44.99%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	110.87%	65.88%	+44.99%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	110.87%	65.88%	+44.99%

DISK vs. NASA - Expense Ratio Comparison

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

Dividends

DISK vs. NASA - Dividend Comparison

Neither DISK nor NASA has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both DISK and NASA in my portfolio?

DISK and NASA have a correlation of 0.72, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, DISK or NASA?

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, DISK or NASA?

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

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

DISK and NASA have nearly identical dividend yields, around 0.00%.

What is the main difference between DISK and NASA?

DISK is categorized as Semiconductors, while NASA is Aerospace & Defense.