COII vs. TLDR

Last updated Jun 24, 2026

COII (REX COIN Growth & Income ETF) and TLDR (The Laddered T-Bill ETF) are both exchange-traded funds - COII is a Derivative Income fund actively managed by REX Shares, while TLDR is a Ultrashort Bond fund actively managed by REX Shares. Both are actively managed. At a correlation of -0.12, they often move in opposite directions. COII charges 0.99%/yr vs 0.20%/yr for TLDR.

Performance

COII vs. TLDR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in REX COIN Growth & Income ETF (COII) and The Laddered T-Bill ETF (TLDR). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

COII

• 1D: 0.00%
• 1M: -17.01%
• YTD: -40.76%
• 6M: -44.80%
• 1Y: -61.20%
• 3Y*: —
• 5Y*: —
• 10Y*: —

TLDR

• 1D: -0.04%
• 1M: 0.25%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

COII vs. TLDR - Yearly Performance Comparison

	2026 (YTD)
COII REX COIN Growth & Income ETF	-40.76%
TLDR The Laddered T-Bill ETF	1.35%

Correlation

The correlation between COII and TLDR is -0.12, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jan 21, 2026	-0.12

Return for Risk

COII vs. TLDR — Risk / Return Rank

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

COII

COII Risk / Return Rank: 2
COII Sharpe Ratio Rank: 2
COII Sortino Ratio Rank: 2
COII Omega Ratio Rank: 1
COII Calmar Ratio Rank: 2
COII Martin Ratio Rank: 2

TLDR

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

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.

COII vs. TLDR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for REX COIN Growth & Income ETF (COII) and The Laddered T-Bill ETF (TLDR). 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.

	COII	TLDR	Difference
Sharpe ratio: Return per unit of total volatility	-0.91	—	—
Sortino ratio: Return per unit of downside risk	-1.41	—	—
Omega ratio: Gain probability vs. loss probability	0.83	—	—
Calmar ratio: Return relative to maximum drawdown	-0.85	—	—
Martin ratio: Return relative to average drawdown	-1.28	—	—

Drawdowns

COII vs. TLDR - Drawdown Comparison

The maximum COII drawdown since its inception was -72.22%, which is greater than TLDR's maximum drawdown of -0.05%. Use the drawdown chart below to compare losses from any high point for COII and TLDR.

Drawdown Indicators

	COII	TLDR	Difference
Max Drawdown Largest peak-to-trough decline	-72.22%	-0.05%	-72.17%
Max Drawdown (1Y) Largest decline over 1 year	-72.22%	—	—
Current Drawdown Current decline from peak	-70.51%	-0.04%	-70.47%
Average Drawdown Average peak-to-trough decline	-40.53%	-0.01%	-40.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	47.75%	—	—

Volatility

Volatility by Period

	COII	TLDR	Difference
Volatility (1M) Calculated over the trailing 1-month period	17.23%	—	—
Volatility (6M) Calculated over the trailing 6-month period	51.90%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	67.44%	0.39%	+67.05%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	67.56%	0.39%	+67.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	67.56%	0.39%	+67.17%

COII vs. TLDR - Expense Ratio Comparison

COII has a 0.99% expense ratio, which is higher than TLDR's 0.20% expense ratio.

Dividends

COII vs. TLDR - Dividend Comparison

COII's dividend yield for the trailing twelve months is around 94.11%, more than TLDR's 1.36% yield.

Position	TTM	2025
COII REX COIN Growth & Income ETF	94.11%	41.52%
TLDR The Laddered T-Bill ETF	1.36%	0.00%

Frequently Asked Questions

Can I hold both COII and TLDR in my portfolio?

COII and TLDR 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, COII or TLDR?

On fees, TLDR is cheaper at 0.20% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, COII or TLDR?

TLDR is cheaper with a 0.20% expense ratio, compared with 0.99% for COII.

Which ETF pays a higher dividend yield, COII or TLDR?

COII has the higher dividend yield at 94.11%, compared with 1.36% for TLDR.

What is the main difference between COII and TLDR?

COII is categorized as Derivative Income, while TLDR is Ultrashort Bond. Their fees differ too: 0.99% for COII and 0.20% for TLDR.