Data as of Oct 28, 2026.

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MBB vs SCHP: Differences, Returns & Fees

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MBB's duration was 5.7 years on Aug 31, 2026 and SCHP's 6.3 on Jun 30, 2026; SCHP charges 0.03% to MBB's 0.04%.

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Net assets: $35.5bn on Oct 28, 2026 for iShares MBS ETF, and $16.5bn on Jun 30, 2026 for Schwab U.S. TIPS ETF.

At a glance
−0.8%
MBB total return, 1 year
−0.8%
SCHP total return, 1 year
0.04%
MBB expense ratio
0.03%
SCHP expense ratio

Pair scorecard

SCHP costs 0.01 points a year less; both returned −0.8% over a year.

MBB vs SCHP: Differences, Returns & Fees
MeasureMBBSCHP
Return
Total return, 1 year−0.8%−0.8%
Benchmark
What it tracksBloomberg U.S. MBS IndexUS TIPS
Cost and size
Expense ratio0.04%0.03%
Net assets, MBB as of Oct 28, 2026 and SCHP as of Jun 30, 2026$35.5bn$16.5bn
Holdings
Holdings in common0%

Holdings in common uses holdings dated Jun 30, 2026 and Aug 31, 2026. Method

Risk and return

Aug 13, 2010 to Oct 23, 2026 · 845 weekly returns
MBB SCHP
Return
Total return edge SCHP +30.7% +52.2%
Annualized edge SCHP +1.7% +2.6%
Price return edge SCHP −16.8% +1.8%
Risk
Volatility edge MBB 4.2% 5.5%
Max drawdown edge SCHP −17.4% −14.0%
Downside capture 78.4% 95.5%
Beta 0.76 0.93
Risk-adjusted
Sharpe edge SCHP 0.04 0.21
Sortino edge SCHP 0.05 0.29
Treynor 0.009 0.012
Calmar edge SCHP 0.10 0.19
Against the benchmark
Alpha +0.1% a year +0.6% a year
Alpha t-stat 0.26 0.73
Information ratio −0.03 0.17
Tracking error 2.3% 3.4%

Each against its own benchmark: MBB against SPMB, Feb 6, 2009 to Oct 23, 2026; SCHP against AGG, Aug 13, 2010 to Oct 23, 2026.

Reading

SCHP returned more: +52.2% to +30.7%. MBB swung less: 4.2% to 5.5%. SCHP fell less at its worst: −14.0% to −17.4%.

Full scorecard

19 measures, with how each is measured
Open ↓
Risk and return: MBB vs SCHP: Differences, Returns & Fees
MeasureMBBSCHPEdgeHow it is measured
Return
Total return+30.7%+52.2%SCHPPrice change plus distributions, reinvested.
Annualized+1.7%+2.6%SCHPTotal return as a yearly rate.
Price return−16.8%+1.8%SCHPPrice change alone, distributions left out.
Risk
Volatility4.2%5.5%MBBSpread of weekly returns, annualized. Lower is steadier.
Downside deviation3.0%4.0%MBBLike volatility, counting only weeks below the Treasury bill rate.
Max drawdown−17.4%−14.0%SCHPDeepest fall from a high to the low after it.
Upside capture77.8%100.6%Share of its benchmark's rise caught in the weeks it rose.
Downside capture78.4%95.5%Share of its benchmark's fall taken in the weeks it fell. Lower is better.
Beta0.760.93Not an edgeHow far it moves for each 1% its benchmark moves.
R squared0.760.61Not an edgeShare of its weekly moves its benchmark explains.
Risk-adjusted
Sharpe0.040.21SCHPReturn above Treasury bills per unit of volatility.
Sortino0.050.29SCHPReturn above Treasury bills per unit of downside deviation.
Treynor0.0090.012Return above Treasury bills per unit of beta.
Calmar0.100.19SCHPAnnualized return divided by the max drawdown.
Against the benchmark
BenchmarkSPMBAGGThe ETF each fund is measured against.
Alpha+0.1% a year+0.6% a yearNot significantYearly return beyond what its beta to the benchmark predicts.
Alpha t-stat0.260.73Not an edgeHow sure the alpha is. Below 2, it could be chance.
Alpha range−0.8% to +1.1%−1.0% to +2.3%Includes zeroThe 95% range for the yearly alpha.
Information ratio−0.030.17Return against its benchmark per unit of tracking error.
Tracking error2.3%3.4%Not an edgeHow far weekly returns stray from the benchmark, annualized.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 845 weekly returns. Cash rate: the 13-week Treasury bill.

What they share

0%

By the books each fund has filed, MBB and SCHP hold 0% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026 and Aug 31, 2026.

0 half 100%

half

0% in common

Positions both hold · largest shared weight first MBB SCHP
Only in one fund ↓
Only in MBB
Ginnie Mae, due Sep 1, 2056 1.05%
Freddie Mac Pool, due May 1, 2051 0.98%
Uniform Mortgage-Backed Security, TBA, due Sep 1, 2056 0.85%
Uniform Mortgage-Backed Security, TBA, due Sep 1, 2056 0.70%
Ginnie Mae, due Sep 1, 2056 0.53%
Ginnie Mae II Pool, due Nov 20, 2054 0.51%
Ginnie Mae II Pool, due Oct 20, 2051 0.51%
Ginnie Mae II Pool, due Dec 20, 2051 0.50%
Only in SCHP
U.S. Treasury Inflation-Indexed Notes, due Jul 15, 2035 4.07%
U.S. Treasury Inflation-Indexed Notes, due Jan 15, 2035 4.01%
U.S. Treasury Inflation-Indexed Notes, due Jan 15, 2036 4.00%
U.S. Treasury Inflation-Indexed Notes, due Jul 15, 2034 3.77%
U.S. Treasury Inflation-Indexed Notes, due Jan 15, 2034 3.60%
U.S. Treasury Inflation-Indexed Notes, due Oct 15, 2030 3.40%
U.S. Treasury Inflation-Indexed Notes, due Apr 15, 2030 3.38%
U.S. Treasury Inflation-Indexed Notes, due Jan 15, 2033 3.36%
Check overlap with more funds →

Side by side

MBB iShares MBS ETF SCHP Schwab U.S. TIPS ETF
Where it sits Bond ETF Bond ETF
What it is Tracks an index of mortgage-backed securities Tracks an index of US TIPS
Total return, 1 year −0.8% −0.8%
Its benchmark over the same days −1.1% (SPMB) −1.4% (AGG)
Gap to its benchmark +0.3 pts vs SPMB +0.6 pts vs AGG
Expense ratio 0.04% 0.03%
Holdings 10813 48
Net assets, MBB as of Oct 28, 2026 and SCHP as of Jun 30, 2026 $35.5bn $16.5bn

MBB and SCHP on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

Client brief · page 1 of 2 Report BR-173F7046AE

MBB and SCHP do different jobs. What does each one do in a portfolio?

  1. What each follows. MBB follows Bloomberg U.S. MBS Index and SCHP follows US TIPS.
  2. Holdings in common. 0% of the weight is in the same securities (holdings dated Aug 31, 2026 and Jun 30, 2026).
  3. Number of holdings. MBB holds 10,813 positions and SCHP holds 48.

Data as of Oct 28, 2026.

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About each fund
MBB

MBB tracks an index of mortgage-backed securities. Over the year to Oct 28, 2026 it returned −0.8% with distributions reinvested, against −1.1% for its benchmark, the Bloomberg U.S. MBS Index. The prospectus expense ratio is 0.04% a year.

SCHP

SCHP tracks an index of US TIPS. Over the year to Oct 28, 2026 it returned −0.8% with distributions reinvested, against −1.4% for its benchmark, the Bloomberg US Aggregate Bond Index. The prospectus expense ratio is 0.03% a year.

Questions people ask

Which returned more over the last year, MBB or SCHP?
In the year to Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and SCHP −0.8%.
Which is cheaper, MBB or SCHP?
SCHP is cheaper, by 0.01 percentage points a year. That is about $1 on $10,000 held for a year. Fees come from each fund's prospectus.
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ETFIQ, MBB against SCHP, data as of Oct 28, 2026. https://etfiq.com/compare/any/mbb-vs-schp

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