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SPOK · Spok Holdings, Inc · Off Exchange

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$10.65 +0.02 (+0.19%) At close · Sep 11
Russell 2000 member Rebalance outlook locked
Market Cap
$222.78M
Shares
20.92M

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
2026-08-03 150,046 254,580 404,626 43.2%
2026-07-27 108,087 175,805 283,892 36.0%
2026-07-20 109,067 147,004 256,071 40.5%
2026-07-13 114,653 183,019 297,672 38.7%
2026-07-06 94,350 183,366 277,716 40.9%
2026-06-29 135,896 153,003 288,899 37.5%
2026-06-22 126,848 297,521 424,369 32.6%
2026-06-15 115,090 172,081 287,171 36.1%
2026-06-08 76,196 149,401 225,597 35.4%
2026-06-01 90,447 214,210 304,657 40.0%
2026-05-25 81,221 213,091 294,312 43.8%
2026-05-18 95,860 301,946 397,806 44.8%
2026-05-11 131,815 353,018 484,833 45.0%
2026-05-04 108,039 244,919 352,958 39.9%
2026-04-27 136,006 269,803 405,809 39.5%
2026-04-20 58,448 136,573 195,021 35.2%
2026-04-13 78,476 194,190 272,666 38.9%
2026-04-06 77,432 229,456 306,888 37.5%
2026-03-30 69,793 234,045 303,838 37.4%
2026-03-23 108,242 208,018 316,260 41.0%
2026-03-16 102,976 251,023 353,999 39.8%
2026-03-09 148,193 263,230 411,423 46.3%
2026-03-02 168,679 219,798 388,477 40.3%
2026-02-23 263,105 461,459 724,564 41.4%
2026-02-16 94,857 237,351 332,208 41.9%
2026-02-09 107,195 167,578 274,773 41.8%
2026-02-02 106,550 253,569 360,119 42.7%
2026-01-26 121,679 130,415 252,094 39.7%
2026-01-19 112,735 265,904 378,639 44.8%
2026-01-12 96,460 223,554 320,014 43.0%
2026-01-05 137,491 225,771 363,262 44.5%
2025-12-29 139,923 253,273 393,196 54.5%
2025-12-22 85,385 112,041 197,426 40.5%
2025-12-15 119,422 365,941 485,363 46.5%
2025-12-08 150,938 284,384 435,322 49.3%
2025-12-01 117,523 270,098 387,621 51.6%
2025-11-24 109,012 190,457 299,469 49.1%
2025-11-17 151,516 362,100 513,616 46.8%
2025-11-10 104,543 223,300 327,843 46.3%
2025-11-03 200,517 256,959 457,476 47.0%
2025-10-27 242,564 319,005 561,569 42.2%
2025-10-20 77,121 97,567 174,688 36.4%
2025-10-13 83,235 134,457 217,692 37.2%
2025-10-06 69,463 163,771 233,234 46.1%
2025-09-29 56,792 177,438 234,230 37.9%
2025-09-22 49,537 61,131 110,668 32.3%
2025-09-15 68,089 103,557 171,646 33.8%
Showing 1–47 of 47 weeks
Key facts CIK 1289945 CUSIP 84863T106 13F (30d) 47 filings 47 filers Visit website Investor relations