SPTB
State Street SPDR Portfolio Treasury ETF
stockNYSEETF
At CloseOct 2, 2026 3:54:10 PM EDT
28.74USD-0.174%(-0.05)50,633
28.75Bid28.79Ask0.04SpreadSPTB Off Exchange & Dark Pool Summary
Today’s Off Exchange & Dark Pool volume is 40,875, which is 81.57% of today’s total volume. Today’s Lit volume is 9,236 (18.43%). Over the past 30 days, the average Off Exchange & Dark Pool volume has been 90.65%, and the average Lit volume 9.35%.
| Exchange | Day % | Volume | 30D % |
|---|---|---|---|
| Off Exchange1 | 81.57% | 40,875 | 90.65% |
| Nasdaq GSM | 5.47% | 2,740 | 2.22% |
| Cboe BYX | 4.65% | 2,330 | 0.58% |
| NYSE Arca | 3.81% | 1,908 | 1.71% |
| IEX | 1.13% | 564 | 1.45% |
| Cboe BZX | 1.08% | 540 | 1.02% |
| NYSE | 0.76% | 382 | 0.26% |
| Nasdaq BX | 0.65% | 328 | 0.16% |
| Cboe EDGX | 0.29% | 144 | 0.88% |
| MIAX Pearl | 0.20% | 100 | 0.01% |
| 24X National | 0.20% | 100 | 0.00% |
| TXSE | 0.20% | 100 | 0.00% |
SPTB Volume by Exchange
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SPTB Volume by Exchange
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SPTB Volume by Exchange · History
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| Level | Trades | Volume | Premium ▼ |
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| Date | Time | Price | Size | Premium ▼ | Side | Exchange | Conditions | |
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