WDGF vs. NASA

Last updated Aug 2, 2026

WDGF (WisdomTree Global Defense Fund) and NASA (Tema Space Innovators ETF) are both Aerospace & Defense funds. WDGF is passively managed, while NASA is actively managed. Their 0.60 correlation means they have sometimes moved together and sometimes differently. WDGF charges 0.45%/yr vs 0.75%/yr for NASA.

Performance

WDGF vs. NASA - Performance Comparison

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

Returns By Period

WDGF

• 1D: 0.72%
• 1M: -2.03%
• 6M: -9.84%
• YTD: 2.92%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

NASA

• 1D: 0.09%
• 1M: -25.91%
• 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)
NASA Tema Space Innovators ETF	$29.19M	$44.00M	$218.58M
WDGF WisdomTree Global Defense Fund	$47.19K	$44.58K	$156.04K

WDGF vs. NASA - Yearly Performance Comparison

	2026 (YTD)
WDGF WisdomTree Global Defense Fund	-0.75%
NASA Tema Space Innovators ETF	-10.29%

Correlation

The correlation between WDGF and NASA is 0.60, 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 Mar 31, 2026	0.60

Return for Risk

WDGF vs. NASA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for WisdomTree Global Defense Fund (WDGF) 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

WDGF vs. NASA - Drawdown Comparison

The maximum WDGF drawdown since its inception was -18.00%, smaller than the maximum NASA drawdown of -50.97%. Use the drawdown chart below to compare losses from any high point for WDGF and NASA.

Drawdown Indicators

	WDGF	NASA	Difference
Max Drawdown Largest peak-to-trough decline	-18.00%	-50.97%	+32.97%
Current Drawdown Current decline from peak	-12.87%	-48.39%	+35.52%
Average Drawdown Average peak-to-trough decline	-7.00%	-17.87%	+10.87%

Volatility

Volatility by Period

	WDGF	NASA	Difference
Volatility (1Y) Calculated over the trailing 1-year period	22.80%	65.62%	-42.82%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.80%	65.62%	-42.82%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.80%	65.62%	-42.82%

WDGF vs. NASA - Expense Ratio Comparison

WDGF has a 0.45% expense ratio, which is lower than NASA's 0.75% expense ratio.

Dividends

WDGF vs. NASA - Dividend Comparison

WDGF's dividend yield for the trailing twelve months is around 0.05%, while NASA has not paid dividends to shareholders.

Position	TTM	2025
NASA Tema Space Innovators ETF	0.00%	0.00%
WDGF WisdomTree Global Defense Fund	0.05%	0.05%

Frequently Asked Questions

Can I hold both WDGF and NASA in my portfolio?

WDGF and NASA have a correlation of 0.60, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, WDGF or NASA?

On fees, WDGF is cheaper at 0.45% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, WDGF or NASA?

WDGF is cheaper with a 0.45% expense ratio, compared with 0.75% for NASA.

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

WDGF has the higher dividend yield at 0.05%, compared with 0.00% for NASA.

What is the main difference between WDGF and NASA?

They also come from different issuers: WisdomTree and Tema. Their fees differ too: 0.45% for WDGF and 0.75% for NASA.