SPOK
Spok Holdings, IncCompany with tickers: SPOK
CIK
1289945
CUSIP
84863T106
Shares Outstanding
20,887,010
13F Activity (30d)
94 filings
89 filers
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 |
|---|---|---|---|---|
| 2026-03-16 | 102,976 | 251,023 | 353,999 | 39.8% |
| 2026-03-23 | 108,242 | 208,018 | 316,260 | 41.0% |
| 2026-03-30 | 69,793 | 234,045 | 303,838 | 44.0% |
| 2026-04-06 | 77,432 | 229,456 | 306,888 | 37.5% |
| 2026-04-13 | 78,476 | 194,190 | 272,666 | 44.8% |
| 2026-04-20 | 58,448 | 136,573 | 195,021 | 36.6% |
| 2026-04-27 | 136,006 | 269,803 | 405,809 | 50.9% |
| 2026-05-04 | 108,039 | 244,919 | 352,958 | 47.1% |
Showing 1–8 of 8 weeks