SPMB State Street SPDR Portfolio Mortgage Backed Bond Index ETF
- Last close
- 21.73
- 504-day return
- +8.60%
- Median $/day
- $18.5M
- Significant pairs
- 811
- Leader rank
- #9
SPMB vs MBB
Both indexed to 100 at 2026-05-11.
Catch up to SPMB
These tend to repeat SPMB's moves the next trading day.
Moves with SPMB
Same-day co-movement.
| Symbol | $/day | Lag | ρ | Holdout ρ | Stability | q | Tier |
|---|---|---|---|---|---|---|---|
| MBB iShares MBS ETF | $221.8M | 0d | +0.97 | +0.98 | 100% | <1e-15 | robust |
| PMBS PIMCO ETF Trust PIMCO Mortgage-Backed Securities Active Exchange-Traded Fund | $2.4M | 0d | +0.96 | +0.97 | 100% | <1e-15 | robust |
| AGG iShares Core U.S. Aggregate Bond ETF | $775.0M | 0d | +0.95 | +0.96 | 100% | <1e-15 | robust |
| JMBS Janus Henderson Mortgage-Backed Securities ETF | $25.1M | 0d | +0.95 | +0.96 | 100% | <1e-15 | robust |
| DMBS DoubleLine Mortgage ETF | $2.2M | 0d | +0.94 | +0.95 | 100% | <1e-15 | robust |
| FIXD First Trust Exchange-Traded Fund VIII First Trust Smith Opportunistic Fixed Income ETF | $16.5M | 0d | +0.94 | +0.93 | 100% | <1e-15 | robust |
| CGCB Capital Group Core Bond ETF | $21.0M | 0d | +0.94 | +0.96 | 100% | <1e-15 | robust |
| GTO Invesco Total Return Bond ETF | $8.6M | 0d | +0.93 | +0.95 | 100% | <1e-15 | robust |
| HTRB Hartford Total Return Bond ETF | $6.2M | 0d | +0.93 | +0.95 | 100% | <1e-15 | robust |
| SMBS Schwab Mortgage-Backed Securities ETF | $9.8M | 0d | +0.93 | +0.95 | 100% | <1e-15 | robust |
| PAB PGIM Active Aggregate Bond ETF | $268k | 0d | +0.93 | +0.92 | 100% | <1e-15 | robust |
| BNDC Northern Trust Core Bond ETF | $174k | 0d | +0.93 | +0.93 | 100% | <1e-15 | robust |
| BBAG JPMorgan BetaBuilders U.S. Aggregate Bond ETF | $2.2M | 0d | +0.93 | +0.95 | 100% | <1e-15 | robust |
| HCRB Hartford Core Bond ETF | $469k | 0d | +0.93 | +0.93 | 100% | <1e-15 | robust |
| EUSB iShares ESG Advanced Universal USD Bond ETF | $1.6M | 0d | +0.93 | +0.96 | 100% | <1e-15 | robust |
Moves against SPMB
| Symbol | $/day | Lag | ρ | Holdout ρ | Stability | q | Tier |
|---|---|---|---|---|---|---|---|
| PFIX Simplify Interest Rate Hedge ETF | $11.4M | 0d | -0.75 | -0.66 | 100% | <1e-15 | robust |
| RINF ProShares Inflation Expectations ETF | $101k | 0d | -0.47 | -0.35 | 100% | <1e-15 | robust |
| RISR FolioBeyond Alternative Income and Interest Rate Hedge ETF | $1.5M | 0d | -0.37 | -0.44 | 100% | <1e-15 | robust |
| UUP Invesco DB US Dollar Index Bullish Fund | $34.1M | 0d | -0.37 | -0.48 | 88% | <1e-15 | robust |
| USDU WisdomTree Bloomberg U.S. Dollar Bullish Fund | $5.1M | 0d | -0.35 | -0.45 | 88% | 2e-15 | robust |
| DBE Invesco DB Energy Fund | $396k | 0d | -0.33 | -0.51 | 75% | 2e-13 | robust |
| USO United States Oil Fund, LP | $430.9M | 0d | -0.31 | -0.47 | 75% | 1e-11 | robust |
| OILK ProShares K-1 Free Crude Oil ETF | $1.5M | 0d | -0.33 | -0.53 | 62% | 3e-13 | moderate |
| KMLM KraneShares Mount Lucas Managed Futures Index Strategy ETF | $3.0M | 0d | -0.32 | -0.61 | 62% | 1e-12 | moderate |
| UGA United States Gasoline Fund, LP | $1.7M | 0d | -0.31 | -0.42 | 62% | 1e-11 | moderate |
| USOY Tidal Trust II Defiance Oil Enhanced Options Income ETF | $950k | 0d | -0.30 | -0.48 | 62% | 4e-11 | moderate |