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MDYvsSLTYETF Comparison

ETF 1
MDY

State Street SPDR S&P MIDCAP 400 ETF Trust

This fund is part of
US Mid Cap
+0.85%
VS
ETF 2
SLTY

YieldMax Ultra Short Option Income Strategy ETF

This fund is part of
Alternatives
+0.47%

State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) belongs to the US Mid Cap segment. YieldMax Ultra Short Option Income Strategy ETF (SLTY) is part of the Alternatives segment. MDY's top 3 sector exposures are Industrials, Information Technology and Financials. In contrast, SLTY's top sector exposures are Consumer Discretionary, Industrials and Health Care. MDY is less expensive with a Total Expense Ratio (TER) of 0.23%, versus 1.24% for SLTY. MDY is up 15.29% year-to-date (YTD) with -$327M in YTD flows. SLTY performs worse with -7.55% YTD performance, and +$3M in YTD flows. Run a side-by-side ETF comparison of MDY and SLTY below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

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MDY vs SLTY performance and flow charts

Performance

-3.0-2.0-1.00.01.02.03.04.0%May 12May 19May 26Jun 2Jun 9

Cumulative Flows

-300,000,000-200,000,000-100,000,0000100,000,000200,000,000300,000,000May 12May 19May 26Jun 2Jun 9

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Historic performance and flows
Data as of 06/12/2026
1M3MYTD1Y3Y5Y
Perf.
MDY
SLTY
+3.72%-2.40%
+13.65%-4.71%
+15.29%-7.55%
+25.57%n/a
+52.39%n/a
+48.30%n/a
Flows
MDY
SLTY
+$272M+$607K
+$440M+$6M
-$327M+$3M
-$176M-
-$262M-
-$1.95B-
Volatility and drawdown
3M1Y3Y5Y
Volatility
MDY
SLTY
+17.88%+13.85%
+15.94%n/a
+17.88%n/a
+19.91%n/a
Max drawdown
MDY
SLTY
-4.24%-9.70%
-8.78%n/a
-23.91%n/a
-23.91%n/a
Max drawdown duration
MDY
SLTY
26d74d
53dn/a
379dn/a
379dn/a
Trading data

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MDY
SLTY
Last sale
6/12/2026 at 1:30 PM
$693.74
$23.57
Previous close
06/11/2026
$688.85
$23.56
Consolidated volume
06/11/2026
Average volume
30 days
Average discount or premium
30 days
Average Bid/Ask spread
30 days
Replication quality
Data as of May 29, 2026
1-year trailing difference

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SLTY
is actively managed and doesn’t replicate an index

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MDY
SLTY
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst
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Main metrics
Last update 6/12/2026 at 1:30 PM
Live
Closed
MDY
SLTY
Last price
$693.74
$23.57
1D performance
+0.71%
+0.04%
AuM$27.41 B$18.30 M
E/R0.23%1.24%
Characteristics
MDY
SLTY
Management strategyPassiveActive
ProviderState Street Investment ManagementYieldMax ETFs
BenchmarkS&P MidCap 400 Index-
N° of holdings381199
Asset classEquities-
Trailing 12m distribution yield
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Inception dateMay 4, 1995August 21, 2025
ESGNoNo
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Exposure

Countries

MDY
USA
92.53%
Other
7.47%
SLTY
Data will be available soon

Sectors

MDY
Industrials
22.12%
Information Techn.
14.67%
Financials
13.09%
Consumer Discreti.
10.5%
Health Care
8.3%
Other
31.31%
SLTY
Data will be available soon
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Diversification

MDY

Total weight of top 15 holdings out of 15

10.57%
SLTY
Data will be available soon

Top 15 holdings

Data as of April 30, 2026
MDY
FLEX LTD
0.98%
TECHNIPFMC PLC
0.89%
CURTISS WRIGHT
0.77%
XPO LOGISTICS
0.75%
UTD THERAPEUT
0.71%
FABRINET
0.71%
MICHAEL STORES
0.70%
NVENT ELECTRIC PLC
0.67%
TWILIO
0.65%
PURE STORAGE
0.65%
WOODWARD
0.63%
ENTEGRIS
0.62%
CARPENTER TECHNOLOGY
0.62%
ATI INC
0.61%
US FOODS HOLDING CORP
0.60%
SLTY
Data will be available soon
Frequently asked questions about MDY and SLTY

How have the MDY and SLTY ETFs performed in 2026?

As of June 12, 2026, MDY is up 15.29% year-to-date (YTD), while SLTY has lost -7.55%. That puts MDY better performer ahead so far this year.

Which ETF is attracting more investor money: MDY or SLTY?

Year-to-date, the MDY ETF saw -$327M in flows, compared to +$3M for SLTY.

Which ETF is bigger: MDY or SLTY?

As of June 12, 2026, MDY holds $27.41 B in assets under management (AUM), while SLTY manages $18.30 M.

What are the top holdings of the MDY ETF and SLTY ETF?

MDY top holdings include FLEX LTD, TECHNIPFMC PLC and CURTISS WRIGHT. SLTY holds in its top three: US912797RG48, US912797RF64 and US912797RS85.

Which ETF is more diversified: MDY or SLTY?

MDY holds 400 securities with 10.57% of its assets in the top 15. SLTY has 209 securities and a top 15 weight of 82.54%.

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Global ETF Survey 2026

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Global ETF Survey 2026