ARKT vs. PMMY

Last updated Jun 27, 2026

ARKT (ARK DIET Q4 Buffer ETF) and PMMY (PGIM S&P 500 Max Buffer ETF - May) are both Defined Outcome funds. Both are actively managed. A 0.61 correlation means they provide meaningful diversification when combined. ARKT charges 0.89%/yr vs 0.50%/yr for PMMY.

Performance

ARKT vs. PMMY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ARK DIET Q4 Buffer ETF (ARKT) and PGIM S&P 500 Max Buffer ETF - May (PMMY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ARKT achieves a 0.96% return, which is significantly lower than PMMY's 1.87% return.

ARKT

• 1D: 1.05%
• 1M: 0.34%
• YTD: 0.96%
• 6M: -1.30%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

PMMY

• 1D: 0.03%
• 1M: -0.23%
• YTD: 1.87%
• 6M: 1.87%
• 1Y: 4.94%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ARKT vs. PMMY - Yearly Performance Comparison

	2026 (YTD)	2025
ARKT ARK DIET Q4 Buffer ETF	0.96%	-8.50%
PMMY PGIM S&P 500 Max Buffer ETF - May	1.87%	1.31%

Correlation

The correlation between ARKT and PMMY is 0.61, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Oct 1, 2025	0.61

Return for Risk

ARKT vs. PMMY — Risk / Return Rank

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

ARKT

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

PMMY

PMMY Risk / Return Rank: 97
PMMY Sharpe Ratio Rank: 97
PMMY Sortino Ratio Rank: 97
PMMY Omega Ratio Rank: 98
PMMY Calmar Ratio Rank: 96
PMMY Martin Ratio Rank: 98

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.

ARKT vs. PMMY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ARK DIET Q4 Buffer ETF (ARKT) and PGIM S&P 500 Max Buffer ETF - May (PMMY). 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.

	ARKT	PMMY	Difference
Sharpe ratio: Return per unit of total volatility	—	3.87	—
Sortino ratio: Return per unit of downside risk	—	5.89	—
Omega ratio: Gain probability vs. loss probability	—	1.96	—
Calmar ratio: Return relative to maximum drawdown	—	8.30	—
Martin ratio: Return relative to average drawdown	—	47.89	—

Drawdowns

ARKT vs. PMMY - Drawdown Comparison

The maximum ARKT drawdown since its inception was -18.78%, which is greater than PMMY's maximum drawdown of -0.60%. Use the drawdown chart below to compare losses from any high point for ARKT and PMMY.

Drawdown Indicators

	ARKT	PMMY	Difference
Max Drawdown Largest peak-to-trough decline	-18.78%	-0.60%	-18.18%
Max Drawdown (1Y) Largest decline over 1 year	—	-0.60%	—
Current Drawdown Current decline from peak	-10.40%	-0.38%	-10.02%
Average Drawdown Average peak-to-trough decline	-10.09%	-0.05%	-10.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.10%	—

Volatility

Volatility by Period

	ARKT	PMMY	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.69%	—
Volatility (6M) Calculated over the trailing 6-month period	—	1.09%	—
Volatility (1Y) Calculated over the trailing 1-year period	18.84%	1.28%	+17.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.84%	1.50%	+17.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.84%	1.50%	+17.34%

ARKT vs. PMMY - Expense Ratio Comparison

ARKT has a 0.89% expense ratio, which is higher than PMMY's 0.50% expense ratio.

Dividends

ARKT vs. PMMY - Dividend Comparison

ARKT's dividend yield for the trailing twelve months is around 0.25%, while PMMY has not paid dividends to shareholders.

Position	TTM	2025
ARKT ARK DIET Q4 Buffer ETF	0.25%	0.25%
PMMY PGIM S&P 500 Max Buffer ETF - May	0.00%	0.00%

Frequently Asked Questions

Can I hold both ARKT and PMMY in my portfolio?

ARKT and PMMY have a correlation of 0.61, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, ARKT or PMMY?

On fees, PMMY is cheaper at 0.50% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, ARKT or PMMY?

PMMY is cheaper with a 0.50% expense ratio, compared with 0.89% for ARKT.

Which ETF pays a higher dividend yield, ARKT or PMMY?

ARKT has the higher dividend yield at 0.25%, compared with 0.00% for PMMY.

What is the main difference between ARKT and PMMY?

They also come from different issuers: ARK Invest and PGIM. Their fees differ too: 0.89% for ARKT and 0.50% for PMMY.