Which funds can replace MBS?

Which ETFs can replace MBS?

Which ETFs can replace MBS? ranked by return similarity
Rank	Ticker	Fund	Return similarity
1	MAGG	Madison Aggregate Bond ETF	96.0%
2	SCCR	Schwab Core Bond ETF	96.0%
3	TCPB	Thrivent Core Plus Bond ETF	95.9%
4	PRIV	State Street IG Public & Private Credit ETF	95.8%
5	CGCB	Capital Group Core Bond ETF	95.8%
6	APCB	ActivePassive Core Bond ETF	95.7%
7	JBND	JPMorgan Active Bond ETF	95.6%
8	JHCR	John Hancock Core Bond ETF	95.5%
9	SCEC	Sterling Capital Enhanced Core Bond ETF	95.5%
10	SMBS	Schwab Mortgage-Backed Securities ETF	95.4%
11	DMBS	DoubleLine Mortgage ETF	95.3%
12	UNIY	WisdomTree Voya Yield Enhanced USD Universal Bond Fund	95.3%
13	TRBF	Angel Oak Total Return ETF	95.3%
14	VETZ	Academy Veteran Bond ETF	95.2%
15	AFIX	Allspring Broad Market Core Bond ETF	95.1%
16	JHCP	John Hancock Core Plus Bond ETF	95.1%
17	DBND	DoubleLine Opportunistic Bond ETF	95.1%
18	SECR	NYLIM MacKay Securitized Income ETF	95.0%
19	JMTG	JPMorgan Mortgage-Backed Securities ETF	94.9%
20	TPFI	Timothy Plan Fixed Income ETF	94.9%