RBLU vs. SNDU

Last updated Aug 4, 2026

RBLU (T-Rex 2X Long RBLX Daily Target ETF) and SNDU (T-REX 2X Long SNDK Daily Target ETF) are both Leveraged Equities funds from T-Rex - RBLU tracks the Roblox Corp. Class A (RBLX) while SNDU tracks the SanDisk Corporation (SNDK). Both are passively managed. Their -0.01 correlation means they have often moved in opposite directions in the past. RBLU charges 1.05%/yr vs 1.50%/yr for SNDU.

Performance

RBLU vs. SNDU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T-Rex 2X Long RBLX Daily Target ETF (RBLU) and T-REX 2X Long SNDK Daily Target ETF (SNDU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

RBLU

• 1D: 6.33%
• 1M: -63.24%
• 6M: -82.19%
• YTD: -88.47%
• 1Y: -96.05%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: -74.71%

SNDU

• 1D: 12.86%
• 1M: -56.69%
• 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)
RBLU T-Rex 2X Long RBLX Daily Target ETF	$3.87M	$2.37M	$2.31M
SNDU T-REX 2X Long SNDK Daily Target ETF	$324.41M	$273.24M	$171.85M

RBLU vs. SNDU - Yearly Performance Comparison

	2026 (YTD)
RBLU T-Rex 2X Long RBLX Daily Target ETF	-75.98%
SNDU T-REX 2X Long SNDK Daily Target ETF	106.59%

Correlation

The correlation between RBLU and SNDU is -0.01, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.

	Correlation
Correlation (All Time) Calculated using the full available price history since Mar 12, 2026	-0.01

Return for Risk

RBLU vs. SNDU — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

RBLU

RBLU Risk / Return Rank: 1
RBLU Sharpe Ratio Rank: 3
RBLU Sortino Ratio Rank: 1
RBLU Omega Ratio Rank: 0
RBLU Calmar Ratio Rank: 0
RBLU Martin Ratio Rank: 2

SNDU

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

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

RBLU vs. SNDU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T-Rex 2X Long RBLX Daily Target ETF (RBLU) and T-REX 2X Long SNDK Daily Target ETF (SNDU). 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.

	RBLU	SNDU	Difference
Sharpe ratio: Return per unit of total volatility	-0.71	—	—
Sortino ratio: Return per unit of downside risk	-2.00	—	—
Omega ratio: Gain probability vs. loss probability	0.74	—	—
Calmar ratio: Return relative to maximum drawdown	-0.99	—	—
Martin ratio: Return relative to average drawdown	-1.34	—	—

Drawdowns

RBLU vs. SNDU - Drawdown Comparison

The maximum RBLU drawdown since its inception was -96.97%, which is greater than SNDU's maximum drawdown of -85.50%. Use the drawdown chart below to compare losses from any high point for RBLU and SNDU.

Drawdown Indicators

	RBLU	SNDU	Difference
Max Drawdown Largest peak-to-trough decline	-96.97%	-85.50%	-11.47%
Max Drawdown (1Y) Largest decline over 1 year	-96.92%	—	—
Current Drawdown Current decline from peak	-96.78%	-77.76%	-19.02%
Average Drawdown Average peak-to-trough decline	-48.52%	-22.75%	-25.77%
Ulcer Index Depth and duration of drawdowns from previous peaks	71.70%	—	—

Volatility

Volatility by Period

	RBLU	SNDU	Difference
Volatility (1M) Calculated over the trailing 1-month period	82.34%	—	—
Volatility (6M) Calculated over the trailing 6-month period	126.24%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	135.50%	248.80%	-113.30%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	127.71%	248.80%	-121.09%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	127.71%	248.80%	-121.09%

RBLU vs. SNDU - Expense Ratio Comparison

RBLU has a 1.05% expense ratio, which is lower than SNDU's 1.50% expense ratio.

Dividends

RBLU vs. SNDU - Dividend Comparison

RBLU's dividend yield for the trailing twelve months is around 11.23%, while SNDU has not paid dividends to shareholders.

Position	TTM	2025
RBLU T-Rex 2X Long RBLX Daily Target ETF	11.23%	1.29%
SNDU T-REX 2X Long SNDK Daily Target ETF	0.00%	0.00%

Frequently Asked Questions

Can I hold both RBLU and SNDU in my portfolio?

RBLU and SNDU have a correlation of -0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, RBLU or SNDU?

On fees, RBLU is cheaper at 1.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, RBLU or SNDU?

RBLU is cheaper with a 1.05% expense ratio, compared with 1.50% for SNDU.

Which ETF pays a higher dividend yield, RBLU or SNDU?

RBLU has the higher dividend yield at 11.23%, compared with 0.00% for SNDU.

What is the main difference between RBLU and SNDU?

RBLU tracks Roblox Corp. Class A (RBLX), while SNDU tracks SanDisk Corporation (SNDK). Their fees differ too: 1.05% for RBLU and 1.50% for SNDU.