SPTB
State Street SPDR Portfolio Treasury ETF
stockNYSEETF
Market OpenOct 5, 2026 10:22:24 AM EDT
28.74USD0.000%(0.00)23,788
28.69Bid28.70Ask0.01SpreadPre-marketOct 5, 2026 9:28:30 AM EDT
28.72USD-0.052%(-0.01)
SPTB Off Exchange & Dark Pool Summary
Today’s Off Exchange & Dark Pool volume is 19,442, which is 84.47% of today’s total volume. Today’s Lit volume is 3,574 (15.53%). Over the past 30 days, the average Off Exchange & Dark Pool volume has been 90.53%, and the average Lit volume 9.47%.
| Exchange | Day % | Volume | 30D % |
|---|---|---|---|
| Off Exchange1 | 84.47% | 19,442 | 90.53% |
| NYSE Arca | 6.93% | 1,595 | 1.74% |
| Cboe BYX | 2.69% | 619 | 0.59% |
| Nasdaq GSM | 1.93% | 444 | 2.24% |
| IEX | 1.74% | 400 | 1.47% |
| Cboe EDGX | 0.65% | 150 | 0.89% |
| Cboe BZX | 0.46% | 105 | 1.03% |
| Cboe EDGA | 0.43% | 100 | 0.37% |
| MEMX | 0.43% | 100 | 0.54% |
| Nasdaq BX | 0.27% | 61 | 0.16% |
SPTB Volume by Exchange
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SPTB Volume by Exchange
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SPTB Volume by Exchange · History
| Date |
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0 to 0 of 0
| Level | Trades | Volume | Premium ▼ |
|---|---|---|---|
0 to 0View on Chart
| Date | Time | Price | Size | Premium ▼ | Side | Exchange | Conditions | |
|---|---|---|---|---|---|---|---|---|