MYY vs. FIAT

Last updated Jun 4, 2026

MYY (ProShares Short S&P Mid Cap400) and FIAT (YieldMax Short COIN Option Income Strategy ETF) are both exchange-traded funds - MYY is a Inverse Equities fund tracking the S&P Mid Cap 400 (-100%), while FIAT is a Derivative Income fund actively managed by YieldMax. MYY is passively managed, while FIAT is actively managed. Over the past year, MYY returned -16.67% vs -0.18% for FIAT. A 0.52 correlation means they provide meaningful diversification when combined. MYY charges 0.95%/yr vs 0.99%/yr for FIAT.

Performance

MYY vs. FIAT - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares Short S&P Mid Cap400 (MYY) and YieldMax Short COIN Option Income Strategy ETF (FIAT). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MYY achieves a -11.13% return, which is significantly lower than FIAT's 13.84% return.

MYY

• 1D: 0.02%
• 1M: -3.52%
• YTD: -11.13%
• 6M: -11.03%
• 1Y: -16.67%
• 3Y*: -9.90%
• 5Y*: -5.92%
• 10Y*: -11.12%

FIAT

• 1D: 4.32%
• 1M: 16.99%
• YTD: 13.84%
• 6M: 33.71%
• 1Y: -0.18%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MYY vs. FIAT - Yearly Performance Comparison

	2026 (YTD)	2025	2024
MYY ProShares Short S&P Mid Cap400	-11.13%	-4.05%	-4.72%
FIAT YieldMax Short COIN Option Income Strategy ETF	13.84%	-24.17%	-28.61%

Correlation

The correlation between MYY and FIAT is 0.44, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.44
Correlation (All Time) Calculated using the full available price history since Jul 11, 2024	0.52

The correlation between MYY and FIAT has been stable across timeframes, ranging from 0.44 to 0.52 - a consistent structural relationship.

Return for Risk

MYY vs. FIAT — Risk / Return Rank

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

MYY

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

FIAT

FIAT Risk / Return Rank: 10
FIAT Sharpe Ratio Rank: 8
FIAT Sortino Ratio Rank: 11
FIAT Omega Ratio Rank: 11
FIAT Calmar Ratio Rank: 9
FIAT Martin Ratio Rank: 9

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.

MYY vs. FIAT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares Short S&P Mid Cap400 (MYY) and YieldMax Short COIN Option Income Strategy ETF (FIAT). 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.

	MYY	FIAT	Difference
Sharpe ratio Return per unit of total volatility	-1.08	-0.00	-1.07
Sortino ratio Return per unit of downside risk	-1.45	0.37	-1.82
Omega ratio Gain probability vs. loss probability	0.83	1.05	-0.22
Calmar ratio Return relative to maximum drawdown	-0.95	-0.00	-0.95
Martin ratio Return relative to average drawdown	-1.75	-0.01	-1.74
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MYY vs. FIAT - Sharpe Ratio Comparison

The current MYY Sharpe Ratio is -1.08, which is lower than the FIAT Sharpe Ratio of -0.00. The chart below compares the historical Sharpe Ratios of MYY and FIAT, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	MYY	FIAT	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-1.08	-0.00	-1.07
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.30	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.52	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.53	-0.37	-0.15

Drawdowns

MYY vs. FIAT - Drawdown Comparison

The maximum MYY drawdown since its inception was -95.08%, which is greater than FIAT's maximum drawdown of -70.50%. Use the drawdown chart below to compare losses from any high point for MYY and FIAT.

Drawdown Indicators

	MYY	FIAT	Difference
Max Drawdown Largest peak-to-trough decline	-95.08%	-70.50%	-24.58%
Max Drawdown (1Y) Largest decline over 1 year	-17.58%	-42.26%	+24.68%
Max Drawdown (3Y) Largest decline over 3 years	-33.48%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-36.20%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-71.22%	—	—
Current Drawdown Current decline from peak	-95.07%	-50.94%	-44.13%
Average Drawdown Average peak-to-trough decline	-72.15%	-45.35%	-26.80%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.56%	27.32%	-17.76%

Volatility

MYY vs. FIAT - Volatility Comparison

The current volatility for ProShares Short S&P Mid Cap400 (MYY) is 4.41%, while YieldMax Short COIN Option Income Strategy ETF (FIAT) has a volatility of 15.34%. This indicates that MYY experiences smaller price fluctuations and is considered to be less risky than FIAT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MYY	FIAT	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.41%	15.34%	-10.93%
Volatility (6M) Calculated over the trailing 6-month period	11.40%	42.03%	-30.63%
Volatility (1Y) Calculated over the trailing 1-year period	15.59%	55.49%	-39.90%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.62%	60.56%	-40.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.25%	60.56%	-39.31%

MYY vs. FIAT - Expense Ratio Comparison

MYY has a 0.95% expense ratio, which is lower than FIAT's 0.99% expense ratio.

Dividends

MYY vs. FIAT - Dividend Comparison

MYY's dividend yield for the trailing twelve months is around 4.45%, less than FIAT's 93.28% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
FIAT YieldMax Short COIN Option Income Strategy ETF	93.28%	178.11%	70.99%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
MYY ProShares Short S&P Mid Cap400	4.45%	4.20%	4.92%	5.08%	0.40%	0.00%	0.05%	1.52%	0.34%

Frequently Asked Questions

Can I hold both MYY and FIAT in my portfolio?

MYY and FIAT have a correlation of 0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MYY or FIAT?

FIAT has higher volatility (15.34%) compared to MYY (4.41%). In terms of maximum drawdown, MYY dropped -95.08% vs FIAT's -70.50%.

Which ETF is better, MYY or FIAT?

On 1-year performance, FIAT leads with -0.18% vs -16.67% for MYY. On fees, MYY is cheaper at 0.95% per year. On volatility, MYY has been the lower-risk option at 4.41%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MYY or FIAT?

Over the 1-year period, FIAT has performed better with a -0.18% return vs -16.67%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MYY or FIAT?

MYY is cheaper with a 0.95% expense ratio, compared with 0.99% for FIAT.

Which ETF pays a higher dividend yield, MYY or FIAT?

FIAT has the higher dividend yield at 93.28%, compared with 4.45% for MYY.

What is the main difference between MYY and FIAT?

MYY is categorized as Inverse Equities, while FIAT is Derivative Income. They also come from different issuers: ProShares and YieldMax. Their fees differ too: 0.95% for MYY and 0.99% for FIAT.

Which has better risk-adjusted returns?

FIAT currently has the higher Sharpe Ratio (-0.00 vs -1.08), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.