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PRLB · Proto Labs Inc · Off Exchange

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$93.89 -0.96 (-1.01%)
S&P 600 member Russell 2000 member Rebalance outlook locked
Market Cap
$2.30B
Shares
23.92M
Volume · Oct 1 7274 Avg daily vol (3M) 209.55K

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.

1M 3M 6M 1Y 5Y All

Off-Exchange Volume History

Week Start ATS Volume Non-ATS OTC Volume Total Off-Exchange % of FINRA Weekly Volume
2026-08-24 181,303 130,636 311,939 38.3%
2026-08-17 208,676 131,125 339,801 36.2%
2026-08-10 176,920 94,771 271,691 32.5%
2026-08-03 317,347 182,851 500,198 36.9%
2026-07-27 226,368 137,793 364,161 37.3%
2026-07-20 145,472 66,772 212,244 34.1%
2026-07-13 234,885 69,811 304,696 31.1%
2026-07-06 515,656 152,505 668,161 45.1%
2026-06-29 203,406 98,389 301,795 39.0%
2026-06-22 238,483 290,821 529,304 32.3%
2026-06-15 261,384 167,753 429,137 35.5%
2026-06-08 315,525 170,553 486,078 41.6%
2026-06-01 242,090 157,391 399,481 41.8%
2026-05-25 161,912 119,138 281,050 36.0%
2026-05-18 268,525 95,642 364,167 38.2%
2026-05-11 317,697 108,270 425,967 38.8%
2026-05-04 213,606 120,111 333,717 36.5%
2026-04-27 200,824 107,843 308,667 30.0%
2026-04-20 115,812 158,915 274,727 45.0%
2026-04-13 194,231 102,688 296,919 38.5%
2026-04-06 126,211 52,654 178,865 25.6%
2026-03-30 127,184 47,067 174,251 28.8%
2026-03-23 156,363 84,905 241,268 32.2%
2026-03-16 145,196 108,416 253,612 27.8%
2026-03-09 198,906 102,628 301,534 32.8%
2026-03-02 164,475 94,819 259,294 33.1%
2026-02-23 212,510 108,290 320,800 37.0%
2026-02-16 179,160 77,760 256,920 36.6%
2026-02-09 490,068 151,788 641,856 43.2%
2026-02-02 457,864 192,882 650,746 42.0%
2026-01-26 259,154 73,358 332,512 41.6%
2026-01-19 181,838 134,599 316,437 41.8%
2026-01-12 165,348 76,356 241,704 37.3%
2026-01-05 171,432 51,162 222,594 32.7%
2025-12-29 92,598 58,314 150,912 37.3%
2025-12-22 63,864 50,898 114,762 32.2%
2025-12-15 136,218 445,275 581,493 43.2%
2025-12-08 109,689 53,967 163,656 29.3%
2025-12-01 123,839 107,398 231,237 38.2%
2025-11-24 91,039 104,206 195,245 29.6%
2025-11-17 132,882 74,520 207,402 26.2%
2025-11-10 141,972 205,798 347,770 37.0%
2025-11-03 310,488 121,812 432,300 27.3%
2025-10-27 319,351 153,333 472,684 34.4%
2025-10-20 211,183 180,046 391,229 39.5%
2025-10-13 256,214 177,620 433,834 34.9%
2025-10-06 146,507 154,856 301,363 36.7%
Showing 1–47 of 47 weeks
Key facts CIK 1443669 CUSIP 743713109 13F (30d) 10 filings 8 filers Visit website Investor relations