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SMBS · Schwab Mortgage-Backed Securities ETF ETF

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$24.84 +0.01 (+0.04%) At close · Sep 4

Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.

Off-Exchange Volume History

Week Start ATS Volume Non-ATS OTC Volume Total Off-Exchange % of FINRA Weekly Volume
2026-07-27 221,728 1,248,830 1,470,558 68.6%
2026-07-20 358,667 1,017,063 1,375,730 57.4%
2026-07-13 363,099 1,249,070 1,612,169 59.3%
2026-07-06 192,939 1,154,930 1,347,869 61.5%
2026-06-29 232,711 1,125,276 1,357,987 74.3%
2026-06-22 295,346 1,754,602 2,049,948 62.1%
2026-06-15 286,311 893,102 1,179,413 57.4%
2026-06-08 260,970 1,441,593 1,702,563 55.5%
2026-06-01 232,361 1,390,220 1,622,581 68.9%
2026-05-25 705,952 1,719,507 2,425,459 71.9%
2026-05-18 427,802 1,589,906 2,017,708 67.0%
2026-05-11 3,693,197 3,451,761 7,144,958 53.3%
2026-05-04 203,816 4,824,692 5,028,508 87.9%
2026-04-27 224,328 2,969,388 3,193,716 83.5%
2026-04-20 149,771 2,025,174 2,174,945 80.0%
2026-04-13 218,776 2,094,617 2,313,393 67.7%
2026-04-06 49,022 2,425,444 2,474,466 74.3%
2026-03-30 255,326 1,889,193 2,144,519 78.6%
2026-03-23 475,418 2,599,212 3,074,630 73.9%
2026-03-16 409,876 2,300,438 2,710,314 78.9%
2026-03-09 183,592 2,215,591 2,399,183 75.9%
2026-03-02 177,389 2,192,073 2,369,462 82.9%
2026-02-23 227,913 2,416,085 2,643,998 83.6%
2026-02-16 149,318 1,684,238 1,833,556 82.5%
2026-02-09 133,797 2,558,109 2,691,906 92.9%
2026-02-02 120,180 2,262,940 2,383,120 86.4%
2026-01-26 277,404 2,394,679 2,672,083 91.8%
2026-01-19 604,397 2,326,723 2,931,120 98.5%
2026-01-12 96,630 1,602,515 1,699,145 79.7%
2026-01-05 174,637 1,290,184 1,464,821 74.2%
2025-12-29 240,660 1,224,282 1,464,942 83.5%
2025-12-22 224,380 915,218 1,139,598 65.7%
2025-12-15 337,716 2,670,448 3,008,164 81.9%
2025-12-08 178,270 1,400,215 1,578,485 81.0%
2025-12-01 125,051 1,382,382 1,507,433 78.4%
2025-11-24 179,243 1,068,338 1,247,581 71.3%
2025-11-17 118,043 1,555,748 1,673,791 83.3%
2025-11-10 257,246 1,446,461 1,703,707 78.1%
2025-11-03 255,845 1,447,843 1,703,688 79.5%
2025-10-27 242,886 1,991,164 2,234,050 85.2%
2025-10-20 234,042 1,444,009 1,678,051 86.1%
2025-10-13 311,672 1,342,511 1,654,183 79.5%
2025-10-06 175,515 1,240,602 1,416,117 74.5%
2025-09-29 113,054 1,432,028 1,545,082 76.1%
2025-09-22 108,786 1,452,578 1,561,364 82.3%
2025-09-15 78,279 1,531,158 1,609,437 82.5%
2025-09-08 148,875 1,214,106 1,362,981 80.1%
Showing 1–47 of 47 weeks