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MFLXvsCMFETF Comparison

ETF 1

MFLX

First Trust Flexible Municipal High Income ETF

This fund is part of

Municipal Bonds

-0%

Full MFLX fund page

VS

ETF 2

CMF

iShares California Muni Bond ETF

This fund is part of

Municipal Bonds

-0%

Full CMF fund page

First Trust Flexible Municipal High Income ETF (MFLX) and iShares California Muni Bond ETF (CMF) belong to the same industry segment: Municipal Bonds. In contrast, CMF's top sector exposures are Municipal and Non-Corporate. MFLX is more expensive with a Total Expense Ratio (TER) of 0.49%, versus 0.08% for CMF. MFLX is down -0.83% year-to-date (YTD) with +$3M in YTD flows. CMF performs worse with -2.36% YTD performance, and +$1.60B in YTD flows. Run a side-by-side ETF comparison of MFLX and CMF 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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MFLX vs CMF performance and flow charts

Performance

Cumulative Flows

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

Data Services

Historic performance and flows

Data as of 10/15/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	MFLX CMF	-1.03%-0.25%	-5.09%-3.34%	-0.83%-2.36%	-0.26%-1.71%	+16.03%+9.17%	-4.93%+0.25%
Flows	MFLX CMF	-+$660M	-+$801M	+$3M+$1.60B	+$3M+$1.96B	+$8M+$3.16B	+$4M+$3.62B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	MFLX CMF	+6.52%+4.84%	+4.21%+3.08%	+4.84%+3.57%	+5.54%+3.58%
Max drawdown	MFLX CMF	-7.53%-5.69%	-7.87%-6.52%	-7.87%-6.52%	-24.25%-12.25%
Max drawdown duration	MFLX CMF	88d92d	101d229d	101d229d	1747d1346d

Trading data

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	MFLX	CMF
Last sale 10/16/2026 at 1:30 PM	$16.11	$54.82
Previous close 10/15/2026	$16.14	$54.79
Consolidated volume 10/15/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of October 18, 2026

1-year trailing difference

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MFLX

is actively managed and doesn’t replicate an index

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	MFLX	CMF
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 10/16/2026 at 1:30 PM

Live

Closed

	MFLX	CMF
Last price	$16.11	$54.82
1D performance	-0.15%	+0.05%
AuM	$20.25 M	$5.19 B
E/R	0.49%	0.08%

Characteristics

	MFLX	CMF
Management strategy	Active	Passive
Provider	First Trust	iShares
Benchmark	-	ICE AMT-Free California Municipal Index
N° of holdings	-	903
Asset class	-	-
Trailing 12m distribution yield	Join	Join
Inception date	September 27, 2016	October 4, 2007
ESG	No	No

More MFLX data on Trackinsight

More CMF data on Trackinsight

Exposure

Countries

MFLX

Data will be available soon

CMF

USA

59.23%

Other

40.77%

Sectors

MFLX

Data will be available soon

CMF

Municipal

59.23%

Other

40.77%

Diversification

MFLX

Data will be available soon

CMF

Total weight of top 15 holdings out of 15

6.39%

Top 15 holdings

Data as of January 1, 1970

MFLX

Data will be available soon

CMF

Orange Water District, FRN 1aug2042, USD (2003A)

0.60%

US79766DLC10

0.52%

US032556NJ70

0.49%

Los Angeles Unified School District, 5% 1jul2031, USD (2024)

0.47%

University of California, 5.5% 15may2040, USD

0.46%

California Educational Facilities Authority, 5% 1may2045, USD

0.44%

US4636324Q95

0.44%

US79905CAB90

0.42%

Los Angeles Unified School District, 5% 1jul2034, USD (2024A)

0.41%

US13077DUT70

0.40%

University of California, 5% 15may2036, USD (2025)

0.39%

California, 5% 1mar2055, USD

0.37%

California, 5.25% 1aug2032, USD

0.34%

US91412GSH91

0.32%

East AWP Joint Powers Authority, 3.125% 1sep2026, USD (2024A)

0.32%

Frequently asked questions about MFLX and CMF

How have the MFLX and CMF ETFs performed in 2026?

As of October 15, 2026, MFLX is down -0.83% year-to-date (YTD), while CMF has lost -2.36%. That puts MFLX better performer ahead so far this year.

Which ETF is attracting more investor money: MFLX or CMF?

Year-to-date, the MFLX ETF saw +$3M in flows, compared to +$1.60B for CMF.

Which ETF is more volatile: MFLX or CMF?

Over the past year, MFLX had a volatility of 4.21%, while CMF experienced 3.08%.

Which ETF is bigger: MFLX or CMF?

As of October 15, 2026, MFLX holds $20.25 M in assets under management (AUM), while CMF manages $5.19 B.

Which Types of Bond ETFs Are the Most Tax Efficient?

September 2, 2025

CMF

MFLXvsCMFETF Comparison

First Trust Flexible Municipal High Income ETF

iShares California Muni Bond ETF

MFLX vs CMF performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Countries

Sectors

Diversification

Top 15 holdings

How have the MFLX and CMF ETFs performed in 2026?

As of October 15, 2026, MFLX is down -0.83% year-to-date (YTD), while CMF has lost -2.36%. That puts MFLX better performer ahead so far this year.

Which ETF is attracting more investor money: MFLX or CMF?

Year-to-date, the MFLX ETF saw +$3M in flows, compared to +$1.60B for CMF.

Which ETF is more volatile: MFLX or CMF?

Over the past year, MFLX had a volatility of 4.21%, while CMF experienced 3.08%.

Which ETF is bigger: MFLX or CMF?

As of October 15, 2026, MFLX holds $20.25 M in assets under management (AUM), while CMF manages $5.19 B.

Which Types of Bond ETFs Are the Most Tax Efficient?

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