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Rule 605 Market Center Scorecard
PureStream, LLC
Status: ACTIVE
Generated: Thu, 15 Oct 2026 22:38:39 GMT
Quarter:2026Q3
Covered Orders935,720Across all reported tiers
Covered Shares3,904,625,885In Q3 2026
Active Tiers26Order class × notional buckets
Routing Brokers0Disclosed in 606 filings
1. Amended Rule 605 Scorecard vs. Mix-Adjusted Peers — 2026-08
Execution metrics across order classes and the 24 notional × lot categories, benchmarked against what competing market centers delivered on identical symbols.
| Class | Notional × Lot | Orders | Covered Sh | Fill Rate | PI Rate | NPI (bps) | Peer Bench (bps) | Coverage | Rank Pctl | Eff Spread | Speed <1s |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Marketable Limit | <$250 • Round Lot | 3,656 | 5,689,836 | 0.0% | 0.0% | 0.0 bps | — | 0% | 10th | $0.0002 | 100.0% |
| Marketable Limit | $250–$999 • Round Lot | 38,480 | 72,432,698 | 0.1% | 84.1% | 38.0 bps | -6.3 bps | 87% | 100th | $-0.0000 | 100.0% |
| Marketable Limit | $1k–$5k • Round Lot | 98,118 | 238,298,559 | 0.1% | 84.3% | 19.7 bps | 2.1 bps | 81% | 97th | $0.0005 | 100.0% |
| Marketable Limit | $5k–$10k • Round Lot | 76,469 | 196,622,378 | 0.1% | 95.1% | 12.7 bps | -0.2 bps | 77% | 97th | $0.0002 | 100.0% |
| Marketable Limit | $10k–$20k • Round Lot | 92,706 | 339,052,193 | 0.1% | 95.6% | 11.7 bps | -1.4 bps | 66% | 100th | $0.0004 | 99.8% |
| Marketable Limit | $20k–$50k • Round Lot | 132,297 | 412,327,267 | 0.2% | 96.3% | 7.9 bps | -1.1 bps | 54% | 100th | $0.0004 | 100.0% |
| Marketable Limit | $50k–$200k • Round Lot | 115,747 | 520,077,423 | 0.3% | 95.1% | 5.3 bps | -1.3 bps | 42% | 99th | $0.0005 | 100.0% |
| Marketable Limit | ≥$200k • Round Lot | 60,868 | 711,386,777 | 0.4% | 77.7% | 5.4 bps | 0.0 bps | 27% | 98th | $0.0039 | 100.0% |
| Non-Marketable Limit | <$250 • Round Lot | 37,082 | 46,071,181 | 0.0% | 100.0% | 32.9 bps | 99.1 bps | 100% | 13th | $0.0000 | 100.0% |
| Non-Marketable Limit | $250–$999 • Round Lot | 39,082 | 50,358,887 | 0.0% | 100.0% | 10.3 bps | — | 0% | 2nd | $0.0000 | 100.0% |
| Non-Marketable Limit | $1k–$5k • Round Lot | 13,556 | 30,787,745 | — | — | — | — | — | — | — | — |
| Non-Marketable Limit | $5k–$10k • Round Lot | 16,608 | 50,694,691 | — | — | — | — | — | — | — | — |
| Non-Marketable Limit | $10k–$20k • Round Lot | 24,178 | 87,421,199 | 0.0% | 100.0% | 17.1 bps | — | 0% | 68th | $0.0000 | 100.0% |
| Non-Marketable Limit | $20k–$50k • Round Lot | 28,553 | 117,574,371 | 0.0% | 100.0% | 18.2 bps | 71.0 bps | 2% | 84th | $0.0000 | 100.0% |
| Non-Marketable Limit | $50k–$200k • Round Lot | 44,372 | 202,935,810 | 0.1% | 100.0% | 12.7 bps | 73.2 bps | 7% | 79th | $0.0002 | 100.0% |
| Non-Marketable Limit | ≥$200k • Round Lot | 15,797 | 145,534,579 | 0.2% | 100.0% | 7.3 bps | 30.4 bps | 15% | 63rd | $-0.0007 | 100.0% |
| Marketable Limit | $5k–$10k • Round Lot | 13 | 13,538 | — | — | — | — | — | — | — | — |
| Marketable Limit | $10k–$20k • Round Lot | 1,976 | 2,237,899 | 1.8% | 100.0% | 3.2 bps | -0.7 bps | 98% | 97th | $0.0000 | 100.0% |
| Marketable Limit | $20k–$50k • Round Lot | 9,310 | 13,707,702 | 0.6% | 97.5% | 2.1 bps | -1.0 bps | 87% | 81st | $0.0002 | 100.0% |
| Marketable Limit | $50k–$200k • Round Lot | 26,069 | 60,484,946 | 0.7% | 99.0% | 2.8 bps | -1.6 bps | 75% | 96th | $-0.0003 | 99.2% |
| Marketable Limit | ≥$200k • Round Lot | 45,364 | 531,222,319 | 0.3% | 96.9% | 2.8 bps | -1.5 bps | 72% | 99th | $-0.0013 | 100.0% |
| Non-Marketable Limit | $5k–$10k • Round Lot | 3 | 3,400 | — | — | — | — | — | — | — | — |
| Non-Marketable Limit | $10k–$20k • Round Lot | 32 | 39,993 | — | — | — | — | — | — | — | — |
| Non-Marketable Limit | $20k–$50k • Round Lot | 666 | 889,358 | 0.1% | 100.0% | 2.2 bps | — | 0% | 13th | $0.0000 | 100.0% |
| Non-Marketable Limit | $50k–$200k • Round Lot | 4,988 | 7,928,556 | 0.7% | 100.0% | 4.7 bps | 26.7 bps | 21% | 78th | $0.0002 | 100.0% |
| Non-Marketable Limit | ≥$200k • Round Lot | 9,730 | 60,832,580 | 0.3% | 100.0% | 3.3 bps | 10.0 bps | 37% | 61st | $-0.0002 | 100.0% |
2. Broker-Dealers Routing Here (Reverse 606 Index)
Firms directing customer order flow to this market center under SEC Rule 606(a), with route percentages and PFOF rates.
No broker-dealers identified routing flow to this market center in 2026Q3.
3. Rule 605 Report Files & Ingestion History
Published monthly execution quality data files crawled from vendor and exchange landing pages.
| File Name | Month | Kind | Status | Fetched At | Source URL |
|---|---|---|---|---|---|
| secrule605report_purestream_202607.zip | 202607 | detailed | stored | 2026-10-01T02:17:42.005+00:00 | File Link ↗ |
| PURE202608.zip | 202608 | detailed | stored | 2026-10-01T08:17:49.515+00:00 | File Link ↗ |
| PURE202608.csv | 202608 | summary | stored | 2026-10-15T18:07:20.992533246+00:00 | File Link ↗ |
4. Coverage Gaps & Review Limitations
Suppressed Cells
3
Tiers with < 100 covered ordersMissing Files
0
Months unretrievableMethodological Caveats:
- A venue's Rule 605 statistics describe all flow it handled, not this firm's orders.
- 606 route shares are per order, not per share, and list only the top 10 venues plus any venue with at least 5% of non-directed orders.
- FINRA Rule 5310.09 also requires the firm's own order-level review of its executions.
- This report is not legal or compliance advice.
- Net price improvement is in basis points of executed notional (quote midpoint × shares). The PFOF comparison converts the difference to ¢/100 sh at the venue's average executed price; it is an estimate.
- Brokers routing here reflect venue aliases as of the last crosswalk-venues run.
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