SPMB
State Street SPDR Portfolio Mortgage Backed Bond ETF
stockNYSEETF
At CloseOct 2, 2026 3:59:54 PM EDT
21.06USD-0.284%(-0.06)3,503,073
After-hoursOct 2, 2026 4:54:30 PM EDT
21.01USD-0.216%(-0.05)
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6.80B
Previous Close
$21.12
Beta
0.13
52-Week High
$22.87 2026-02-27
52-Week Low
$20.96 2026-10-01
SMA 50
$21.78
SMA 200
$22.23
Avg. Vol 10D
2.77M
Avg. Vol 30D
1.68M
Avg. Vol 90D
1.34M
Relative Vol
2.08
323.00M
323.00M
100.00%
416,559
0.13%
1.00
28%/72%
60.68%
55.14%
0.9500%
100,000
137
7,230
21,358
Sep 3, 2024 · $0.066
Oct 1, 2026
Mortgage rates hit three-year high as bond yields surge · 
Seeking Alpha
Sep 24, 2026
Mortgage rates exceed 7% mark after over one-and-a-half years · Seeking Alpha
Sep 17, 2026
SPMB Performance
| Period | Price | Date | Change | Beta |
|---|---|---|---|---|
| 1W | 21.17 | 2026-09-28 | -0.57% | -0.278 |
| 1M | 21.87 | 2026-09-04 | -3.75% | 0.402 |
| 3M | 22.23 | 2026-07-06 | -5.31% | 0.248 |
| 6M | 22.33 | 2026-04-06 | -5.73% | 0.216 |
| 1Y | 22.42 | 2025-10-03 | -6.11% | 0.131 |
| 2Y | 22.22 | 2024-10-04 | -5.26% | — |
| 5Y | 25.71 | 2021-10-04 | -18.13% | 0.087 |
SPMB Stock Summary
State Street SPDR Portfolio Mortgage Backed Bond ETF (NYSE:SPMB) stock price today is $21.05, and today's volume is 3,503,073. SPMB is down 0.331% today. The 30 day average volume is 1.68M. SPMB market cap is $6.80B with 323.00M shares outstanding.