SP
SPMB
SPDR Portfolio Mortgage Backed Bond ET $21.57 1M -2.0% 3M -3.3% YTD -3.7% as of 2026-09-11↑↓ next ticker · ⌘+↑↓ or scroll to zoom · ←→ pan · 0 reset
▲ buy ▼ sell · size ≈ trade size · ─ moving averages · click the buttons above to hide them
Model view — historical tendencies for the days ahead, not a forecast
Next 1 day
+0.1%
Next 1 week
-0.1%
Next 1 month
-0.1%
Seasonality
No real seasonal tilt
Next 30 days (to Oct 14): -0.1% median,
44% of the last 16 years finished up.
20-year seasonality chart →
Mean reversion
Deeply oversold — RSI(2) at 1
RSI(2) under 15 is oversold (this name has historically bounced); over 85 is overbought.
Its dip-buy edge in history is +0.15%/day.
Mean-reversion stats →
1-month breakdown —
Market · β 0.12 -0.0% · Seasonal tilt -0.0%
$25M/day volume
4% volatility
-4% 1-year
-39% from ATH
52-week range · 1% of the way up · -6% from the high
$21.56$22.87
Congressional trades in SPMB Full tracker →
1 member · 1 buys / 1 sells · $2K–$30K disclosed · latest filing Mar 26, 2021.
| SELL | $1K–$15K | |
| BUY | $1K–$15K |
Data from the U.S. House Clerk and FINRA, plus end-of-day prices. Not investment advice.