Compare · 3 funds side by side · dividends reinvested

MFSM, SUB and MUB

MFSMMFS×SUBiShares×MUBiShares×
$8k$9k$10k$11kLow $9,618 · 2022SUB$10,860MUB$10,414Oct 2021Nov 2026Story of the three · Growth5Y$10,000 five years agoDividends reinvested · all three on one scale$10,860SUB · best of the three
02 / 04

MFSM, SUB and MUB, Ranked

Today
FundFeeYieldYTD1 year3 yrs · yr5 yrs · yrWorst dropVolatilityAssetsAvg rank
iShares Short-Term National Muni Bond ETFBonds & Cash · Municipal0.07%2.57%+1.6%+2.5%+3.4%+1.7%−1.9%1.4%$13.4B1.5
iShares National Muni Bond ETFBonds & Cash · Municipal0.05%3.27%+0.5%+0.9%+4.5%+0.8%−6.3%3.7%$55.0B2.1
MFS Active Exchange Traded Funds Trust - MFS Active Intermediate Muni Bond ETFBonds & Cash · Municipal0.34%3.59%+1.0%+1.8%[…][…]−6.7%3.7%$129M2.2
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: MFSM 2024 · SUB 2008 · MUB 2007
@TheETFTracker·theetftracker.com

Head to Head

5Y
iShares National Muni Bond ETF · $55.0B$10,414
MUB
MFSM
MFS Active Exchange Traded Funds Trust - MFS Active Intermediate Muni Bond ETF · $129M[…]

$10,000 five years ago, dividends reinvested

MUBMeasureMFSM
+0.5%Year to dateJan 1 → Nov 6+1.0%
+0.9%1 yearTotal return+1.8%
+4.5%3 years · per year$10,000 became $11,418 · […][…]
+0.8%5 years · per year$10,000 became $10,414 · […][…]
0.05%Expense ratio$5 · $34 a year on $10k · lower is better0.34%
3.27%Trailing 12-mo yield$327 · $359 a year on $10k3.59%
−6.3%Worst dropSmaller is better−6.7%
3.7%VolatilityLower is calmer3.7%
MUBMFSM Winner of the row, in its colourEach row: the bigger of the two fills its side
2–3MFSM wins
End-of-day Nov 6, 2026 · returns include dividends · 3Y and 5Y figures are per-year returns
@TheETFTracker·theetftracker.com

More Ways to See the Pairs

MUB vs MFSM: Top 5 Holdings

Today
MUB
[…]in top 5
in top 51.1%
MUBStockMFSM
not top 5MUB0.6%
not top 5VTEB0.5%
Held in common[…]
End-of-day Nov 6, 2026 · share of each fund
@TheETFTracker·theetftracker.com

MUB vs MFSM Returns, Every Period

1Y
iSharesMUB
+0.9%
past year
MFSMMFS
+1.8%
past year
0%+5%+0.5%+1.0%YTD+0.9%+1.8%1 year
MUBMFSMFaded: behind in that period
0–2MFSM wins
End-of-day Nov 6, 2026 · dividends in · faded = behind in that period
@TheETFTracker·theetftracker.com

MUB vs MFSM

YTD
iSharesMUB
+0.5%
MFSMMFS
+1.0%
Jan 1Nov 6+0.5%+1.0%
+0.5%Year to date+1.0%
−6.3%Worst drop · 1Y−6.7%
3.7%Volatility · 1Y3.7%
3.3%Yield3.6%
$55.0BAssets$129M
2–1MFSM wins
End-of-day Nov 6, 2026 · smaller drop and lower volatility win
@TheETFTracker·theetftracker.com

Cost, Income and Risk

Fees: MFSM, SUB, MUB

Today
0.05%lowest, MUB
FundExpense ratioFee$10k
MUB0.05%$5
SUB0.07%$7
MFSM0.34%$34
End-of-day Nov 6, 2026 · fee on $10,000 a year
@TheETFTracker·theetftracker.com

Yields: MFSM, SUB, MUB

1Y
3.59%highest, MFSM
FundTrailing yieldYield$10k
MFSM3.59%$359
MUB3.27%$327
SUB2.57%$257
End-of-day Nov 6, 2026 · trailing 12-month yield
@TheETFTracker·theetftracker.com

Income After Fees on $10,000

1Y
$325most kept, MFSM
MFSM$359 − $34 = $325
MUB$327 − $5 = $322
SUB$257 − $7 = $250
KeptFee
End-of-day Nov 6, 2026 · yield in dollars minus the fee
@TheETFTracker·theetftracker.com

Overlap: MFSM, SUB, MUB

Today
[…]holdings […]
MFSMSUBMUB
MFSM—[…][…]
SUB[…]—[…]
MUB[…][…]—
End-of-day Nov 6, 2026 · share held in common · outlined: the pair in versus
@TheETFTracker·theetftracker.com

Return vs Bumpiness: 3 ETFs

1Y
+2.5%SUB, at 1.4% volatility
0%+1%+2%+3%1%2%3%4%5%Volatility · 1 year → bumpierSUB +2.5%MFSM +1.8%MUB +0.9%
SUBWorst drop−1.9%1.4% vol
MFSMWorst drop−6.7%3.7% vol
MUBWorst drop−6.3%3.7% vol
End-of-day Nov 6, 2026 · up and left is better
@TheETFTracker·theetftracker.com

Paid More vs Made More

YTD
MFSMSUB
Jan 1Nov 6+1.0%+1.6%
+1.0%Year to date+1.6%
3.6%Yield2.6%
+1.8%Past year+2.5%
0.34%Fee0.07%
3–1SUB wins
End-of-day Nov 6, 2026
@TheETFTracker·theetftracker.com

Popular Pairs Near These Three

SCHD vs VIG

YTD
SchwabSCHD
+31.4%
VIGVanguard
+12.1%
Jan 1Nov 6+31.4%+12.1%
+31.4%Year to date+12.1%
3.0%Yield1.5%
$120BAssets$109B
2–0SCHD wins
End-of-day Nov 6, 2026
@TheETFTracker·theetftracker.com

JEPQ vs JEPI

YTD
J.P. MorganJEPQ
+3.2%
JEPIJ.P. Morgan
+5.3%
Jan 1Nov 6+3.2%+5.3%
+3.2%Year to date+5.3%
12.8%Yield8.1%
$40.7BAssets$45.2B
1–1level
End-of-day Nov 6, 2026
@TheETFTracker·theetftracker.com

SPYM vs SPY

YTD
SPDRSPYM
+8.8%
SPYSPDR
+8.7%
Jan 1Nov 6+8.8%+8.7%
+8.8%Year to date+8.7%
1.1%Yield1.0%
$178BAssets$778B
2–0SPYM wins
End-of-day Nov 6, 2026
@TheETFTracker·theetftracker.com