Compare · 3 funds side by side · dividends reinvested

SPMB, MUB and IUSB

Story of the three · Growth5Y$10,000 five years agoDividends reinvested · all three on one scale$10,414MUB · best of the three

02 / 04

SPMB, MUB and IUSB, Ranked

Today

FundFeeYieldYTD1 year3 yrs · yr5 yrs · yrWorst dropVolatilityAssetsAvg rank

State Street SPDR Portfolio Mortgage Backed Bond ETFBonds & Cash · Mortgage0.04%4.25%+0.1%+1.0%+6.0%+0.3%−5.6%4.7%$7.0B1.8

iShares National Muni Bond ETFBonds & Cash · Municipal0.05%3.27%+0.5%+0.9%+4.5%+0.8%−6.3%3.7%$55.0B2.0

iShares Core Universal USD Bond ETFBonds & Cash · Core aggregate0.06%4.34%+0.1%+0.8%+5.6%+0.3%−4.3%3.9%$50.4B2.3

Rank among the three1st → 3rdFee, drop and volatility: lower ranks higherAvg rank: mean of the 8 ranks · 1 is best

End-of-day Nov 6, 2026 · returns include dividends · since: SPMB 2009 · MUB 2007 · IUSB 2014

Head to Head

Swap sides Versus in desk

Head to Head

State Street SPDR Portfolio Mortgage Backed Bond ETF · $7.0B$10,159

SPMB

MUB

iShares National Muni Bond ETF · $55.0B$10,414

$10,000 five years ago, dividends reinvested

SPMBMeasureMUB

+0.1%Year to dateJan 1 → Nov 6+0.5%

+1.0%1 yearTotal return+0.9%

+6.0%3 years · per year$10,000 became $11,894 · $11,418+4.5%

+0.3%5 years · per year$10,000 became $10,159 · $10,414+0.8%

0.04%Expense ratio$4 · $5 a year on $10k · lower is better0.05%

4.25%Trailing 12-mo yield$425 · $327 a year on $10k3.27%

−5.6%Worst dropSmaller is better−6.3%

4.7%VolatilityLower is calmer3.7%

SPMBMUB Winner of the row, in its colourEach row: the bigger of the two fills its side

5–3SPMB wins

End-of-day Nov 6, 2026 · returns include dividends · 3Y and 5Y figures are per-year returns

More Ways to See the Pairs

SPMB vs MUB: Top 5 Holdings

Today

SPMB

[…]in top 5

MUB

in top 5[…]

Holdings […] not in today’s data

Held in common[…]

End-of-day Nov 6, 2026 · share of each fund

SPMB vs MUB Returns, Every Period

SPDRSPMB

+0.3%

5 years, per year

MUBiShares

+0.8%

5 years, per year

SPMBMUBFaded: behind in that period

2–2Level

End-of-day Nov 6, 2026 · dividends in · faded = behind in that period

SPMB vs IUSB

YTD

SPDRSPMB

+0.1%

IUSBiShares

+0.1%

+0.1%Year to date+0.1%

−5.6%Worst drop · 1Y−4.3%

4.7%Volatility · 1Y3.9%

4.3%Yield4.3%

$7.0BAssets$50.4B

2–0IUSB wins

End-of-day Nov 6, 2026 · smaller drop and lower volatility win

Cost, Income and Risk

Fees: SPMB, MUB, IUSB

Today

0.04%lowest, SPMB

FundExpense ratioFee$10k

SPMB0.04%$4

MUB0.05%$5

IUSB0.06%$6

End-of-day Nov 6, 2026 · fee on $10,000 a year

Yields: SPMB, MUB, IUSB

4.34%highest, IUSB

FundTrailing yieldYield$10k

IUSB4.34%$434

SPMB4.25%$425

MUB3.27%$327

End-of-day Nov 6, 2026 · trailing 12-month yield

Income After Fees on $10,000

$428most kept, IUSB

IUSB$434 − $6 = $428

SPMB$425 − $4 = $421

MUB$327 − $5 = $322

KeptFee

End-of-day Nov 6, 2026 · yield in dollars minus the fee

Overlap: SPMB, MUB, IUSB

Today

[…]holdings […]

SPMBMUBIUSB

SPMB—[…][…]

MUB[…]—[…]

IUSB[…][…]—

End-of-day Nov 6, 2026 · share held in common · outlined: the pair in versus

Return vs Bumpiness: 3 ETFs

+1.0%SPMB, at 4.7% volatility

MUBWorst drop−6.3%3.7% vol

IUSBWorst drop−4.3%3.9% vol

SPMBWorst drop−5.6%4.7% vol

End-of-day Nov 6, 2026 · up and left is better

Paid More vs Made More

YTD

IUSBMUB

+0.1%Year to date+0.5%

4.3%Yield3.3%

+0.8%Past year+0.9%

0.06%Fee0.05%

3–1MUB wins

End-of-day Nov 6, 2026

Popular Pairs Near These Three

SCHD vs VIG

YTD

SchwabSCHD

+31.4%

VIGVanguard

+12.1%

+31.4%Year to date+12.1%

3.0%Yield1.5%

$120BAssets$109B

2–0SCHD wins

End-of-day Nov 6, 2026

JEPQ vs JEPI

YTD

J.P. MorganJEPQ

+3.2%

JEPIJ.P. Morgan

+5.3%

+3.2%Year to date+5.3%

12.8%Yield8.1%

$42.6BAssets$46.8B

1–1level

End-of-day Nov 6, 2026

SPYM vs SPY

YTD

SPDRSPYM

+8.8%

SPYSPDR

+8.7%

+8.8%Year to date+8.7%

1.1%Yield1.0%

$182BAssets$819B

2–0SPYM wins

End-of-day Nov 6, 2026