WDIG vs. CERY

Last updated Jun 24, 2026

WDIG (WisdomTree Efficient Rare Earth Plus Strategic Metals Fund) and CERY (SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF) are both exchange-traded funds - WDIG is a Rare Earth & Strategic Metals fund actively managed by WisdomTree, while CERY is a Commodities fund tracking the Bloomberg Enhanced Roll Yield Total Return Index. WDIG is actively managed, while CERY is passively managed. At a 0.20 correlation, their price movements are largely independent. WDIG charges 0.55%/yr vs 0.28%/yr for CERY.

Performance

WDIG vs. CERY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in WisdomTree Efficient Rare Earth Plus Strategic Metals Fund (WDIG) and SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF (CERY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

WDIG

• 1D: -7.79%
• 1M: -12.59%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

CERY

• 1D: -1.20%
• 1M: -9.49%
• YTD: 18.11%
• 6M: 16.37%
• 1Y: 27.40%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

WDIG vs. CERY - Yearly Performance Comparison

	2026 (YTD)
WDIG WisdomTree Efficient Rare Earth Plus Strategic Metals Fund	-19.33%
CERY SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF	-8.72%

Correlation

The correlation between WDIG and CERY is 0.20, 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 May 7, 2026	0.20

Return for Risk

WDIG vs. CERY — Risk / Return Rank

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

WDIG

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

CERY

CERY Risk / Return Rank: 53
CERY Sharpe Ratio Rank: 56
CERY Sortino Ratio Rank: 52
CERY Omega Ratio Rank: 52
CERY Calmar Ratio Rank: 47
CERY Martin Ratio Rank: 60

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.

WDIG vs. CERY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for WisdomTree Efficient Rare Earth Plus Strategic Metals Fund (WDIG) and SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF (CERY). 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.

	WDIG	CERY	Difference
Sharpe ratio: Return per unit of total volatility	—	1.78	—
Sortino ratio: Return per unit of downside risk	—	2.38	—
Omega ratio: Gain probability vs. loss probability	—	1.31	—
Calmar ratio: Return relative to maximum drawdown	—	2.21	—
Martin ratio: Return relative to average drawdown	—	10.02	—

Drawdowns

WDIG vs. CERY - Drawdown Comparison

The maximum WDIG drawdown since its inception was -22.59%, which is greater than CERY's maximum drawdown of -12.44%. Use the drawdown chart below to compare losses from any high point for WDIG and CERY.

Drawdown Indicators

	WDIG	CERY	Difference
Max Drawdown Largest peak-to-trough decline	-22.59%	-12.44%	-10.15%
Max Drawdown (1Y) Largest decline over 1 year	—	-12.44%	—
Current Drawdown Current decline from peak	-21.17%	-12.44%	-8.73%
Average Drawdown Average peak-to-trough decline	-9.94%	-2.29%	-7.65%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	2.76%	—

Volatility

Volatility by Period

	WDIG	CERY	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	3.64%	—
Volatility (6M) Calculated over the trailing 6-month period	—	13.63%	—
Volatility (1Y) Calculated over the trailing 1-year period	62.13%	15.66%	+46.47%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	62.13%	14.74%	+47.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	62.13%	14.74%	+47.39%

WDIG vs. CERY - Expense Ratio Comparison

WDIG has a 0.55% expense ratio, which is higher than CERY's 0.28% expense ratio.

Dividends

WDIG vs. CERY - Dividend Comparison

WDIG has not paid dividends to shareholders, while CERY's dividend yield for the trailing twelve months is around 4.23%.

Position	TTM	2025	2024
CERY SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF	4.23%	4.99%	0.52%
WDIG WisdomTree Efficient Rare Earth Plus Strategic Metals Fund	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both WDIG and CERY in my portfolio?

WDIG and CERY have a correlation of 0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, WDIG or CERY?

On fees, CERY is cheaper at 0.28% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, WDIG or CERY?

CERY is cheaper with a 0.28% expense ratio, compared with 0.55% for WDIG.

Which ETF pays a higher dividend yield, WDIG or CERY?

CERY has the higher dividend yield at 4.23%, compared with 0.00% for WDIG.

What is the main difference between WDIG and CERY?

WDIG is categorized as Rare Earth & Strategic Metals, while CERY is Commodities. They also come from different issuers: WisdomTree and State Street. Their fees differ too: 0.55% for WDIG and 0.28% for CERY.