SPMB ranks 1st and SCIO 19th of 24 funds in the Mortgage-Backed Securities Category.
SCIO vs SPMB
SPMB −0.82pt a year
0.86%0.04%
SPMB 5.8×the volume
281K1.62M
SCIO vs SPMB Performance
+2.7%+0.3%
- SCIO 0.86%
- SPMB 0.04%, better
- SCIO $573M
- SPMB $7B
- SCIO +2.7%, better
- SPMB +0.3%
- SCIO 5.68%, better
- SPMB 4.23%
- SCIO 395
- SPMB 2779
- SCIO 281K sh
- SPMB 1.62M sh, better
- SCIO $20.15
- SPMB $21.63
ETF.net Grade
| Pillar | SCIO | SPMB |
|---|---|---|
| Cost | F0 | A94Higher |
| Mission | D31 | B64Higher |
| Risk | A80Higher | D34 |
| Tradability | C44 | A95Higher |
| Holdings | B56 | A75Higher |
| Durability | B57 | A83Higher |
Rank among Mortgage-Backed Securities funds
Same Category. SCIO and SPMB are both graded against the same 24 Mortgage-Backed Securities funds, so their Grades compare head to head.
Our read on each fund
SCIOD
SPMBA
In short
SCIO Most of the mortgage-bond aisle is cheap index trackers holding thousands of agency loans. SCIO is the odd one out: an active First Trust book of roughly 50 structured credit positions, paying monthly.
SPMB The no-frills way to own America's mortgage bonds. SPMB tracks the Bloomberg U.S. MBS Index for four basis points, a fraction of what the typical mortgage-bond ETF charges, and pays income monthly.
Stated mandate
SCIO The Fund seeks to maximize long-term income. Under normal market conditions, it invests at least 80% of net assets, plus investment borrowings, in structured credit investments such as RMBS, CMBS, CLOs and ABS.
SPMB The fund seeks to track, before fees and expenses, the price and yield performance of the Bloomberg U.S. MBS Index.
Why people hold it
Worth knowing
SCIO vs SPMB Holdings
How we measure overlap
Each holding counts at its smaller weight in the two funds, summed over the full Holdings. Sector, country and asset class use the same rule on each fund’s split. Cash, FX and derivative lines stay out of the counts. Two bond funds get no overlap figure.
SCIO vs SPMB Cost
Overpaying SCIO vs SPMB
$15,519
On $10,000 over 30 years. 7% growth a year before fees, expense ratio only.
SCIO 0.86%
$16,368
SPMB 0.04%
$849
Cost over time
Year by year
| Year | SCIO | SPMB | Overpaying |
|---|---|---|---|
| 10 | $1,525 | $73 | $1,452 |
| 20 | $5,768 | $288 | $5,480 |
| 30 | $16,368 | $849 | $15,519 |
- 0.86%SCIO
- 0.04%SPMB, cheaper
- Middle half of Mortgage-Backed Securities funds
- Median 0.38%
SPMB 3rd cheapest of 24 funds
SCIO 24th cheapest of 24 funds
SCIO vs SPMB Dividends
- SCIO 5.68%, better
- SPMB 4.23%
- SCIO $1.14
- SPMB $0.92
- SCIO $0.10
- SPMB $0.07
- SCIO Oct 21, 2026
- SPMB Oct 1, 2026
- SCIO Oct 30, 2026
- SPMB Oct 6, 2026
- SCIO Monthly
- SPMB Monthly
Distribution history
SCIO vs SPMB Risk
Fall from peak · 5 years
Risk facts
- Volatility
- SCIO 3.1%SPMB 6.5%
- Return per unit of risk
- SCIO 0.81SPMB 0.28
- Worst fall
- SCIO −2.7%SPMB −17.0%
- Market sensitivity
- SCIO 0.08SPMB 1.15
SCIO and SPMB in the news
Popular comparisons
- 0.86% · 0.04%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
- 0.04% · 0.04%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
- 0.86% · 0.03%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
- 0.04% · 0.03%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
- 0.86% · 0.03%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
- 0.04% · 0.03%
- Same Category. Both funds are graded against the same funds, so their Grades compare head to head.
