ARCX vs. WEEK

Last updated Jun 5, 2026

ARCX (Tradr 2X Long ACHR Daily ETF) and WEEK (Roundhill Weekly T-Bill ETF) are both exchange-traded funds - ARCX is a Leveraged Equities fund actively managed by Tradr, while WEEK is a Ultrashort Bond fund actively managed by Roundhill. Both are actively managed. At a correlation of -0.18, they often move in opposite directions. ARCX charges 1.30%/yr vs 0.19%/yr for WEEK.

Performance

ARCX vs. WEEK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Tradr 2X Long ACHR Daily ETF (ARCX) and Roundhill Weekly T-Bill ETF (WEEK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ARCX achieves a -42.19% return, which is significantly lower than WEEK's 1.43% return.

ARCX

• 1D: -4.74%
• 1M: 14.86%
• YTD: -42.19%
• 6M: -60.57%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

WEEK

• 1D: -0.01%
• 1M: 0.26%
• YTD: 1.43%
• 6M: 1.74%
• 1Y: 3.80%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ARCX vs. WEEK - Yearly Performance Comparison

	2026 (YTD)	2025
ARCX Tradr 2X Long ACHR Daily ETF	-42.19%	-71.83%
WEEK Roundhill Weekly T-Bill ETF	1.43%	2.24%

Correlation

The correlation between ARCX and WEEK is -0.18, 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 Jun 11, 2025	-0.18

Return for Risk

ARCX vs. WEEK — Risk / Return Rank

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

WEEK

WEEK Risk / Return Rank: 99
WEEK Sharpe Ratio Rank: 99
WEEK Sortino Ratio Rank: 99
WEEK Omega Ratio Rank: 99
WEEK Calmar Ratio Rank: 99
WEEK Martin Ratio Rank: 99

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.

ARCX vs. WEEK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Tradr 2X Long ACHR Daily ETF (ARCX) and Roundhill Weekly T-Bill ETF (WEEK). 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.

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

Sharpe Ratios by Period

	ARCX	WEEK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	9.26	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.61	9.99	-10.60

Drawdowns

ARCX vs. WEEK - Drawdown Comparison

The maximum ARCX drawdown since its inception was -91.51%, which is greater than WEEK's maximum drawdown of -0.13%. Use the drawdown chart below to compare losses from any high point for ARCX and WEEK.

Drawdown Indicators

	ARCX	WEEK	Difference
Max Drawdown Largest peak-to-trough decline	-91.51%	-0.13%	-91.38%
Max Drawdown (1Y) Largest decline over 1 year	—	-0.13%	—
Current Drawdown Current decline from peak	-86.86%	-0.01%	-86.85%
Average Drawdown Average peak-to-trough decline	-64.50%	-0.01%	-64.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.01%	—

Volatility

Volatility by Period

	ARCX	WEEK	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.08%	—
Volatility (6M) Calculated over the trailing 6-month period	—	0.25%	—
Volatility (1Y) Calculated over the trailing 1-year period	138.55%	0.41%	+138.14%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	138.55%	0.39%	+138.16%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	138.55%	0.39%	+138.16%

ARCX vs. WEEK - Expense Ratio Comparison

ARCX has a 1.30% expense ratio, which is higher than WEEK's 0.19% expense ratio.

Dividends

ARCX vs. WEEK - Dividend Comparison

ARCX has not paid dividends to shareholders, while WEEK's dividend yield for the trailing twelve months is around 3.72%.

Position	TTM	2025
ARCX Tradr 2X Long ACHR Daily ETF	0.00%	0.00%
WEEK Roundhill Weekly T-Bill ETF	3.72%	3.27%

Frequently Asked Questions

Can I hold both ARCX and WEEK in my portfolio?

ARCX and WEEK have a correlation of -0.18, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, ARCX or WEEK?

On fees, WEEK is cheaper at 0.19% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, ARCX or WEEK?

WEEK is cheaper with a 0.19% expense ratio, compared with 1.30% for ARCX.

Which ETF pays a higher dividend yield, ARCX or WEEK?

WEEK has the higher dividend yield at 3.72%, compared with 0.00% for ARCX.

What is the main difference between ARCX and WEEK?

ARCX is categorized as Leveraged Equities, while WEEK is Ultrashort Bond. They also come from different issuers: Tradr and Roundhill. Their fees differ too: 1.30% for ARCX and 0.19% for WEEK.