CDIO
Cardio Diagnostics Holdings, Inc.Company with tickers: CDIO, CDIOW
CIK
1870144
CUSIP
14159C202
Shares Outstanding
2,959,469
13F Activity (30d)
11 filings
10 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 |
|---|---|---|---|---|
| 2026-05-04 | 30,051 | 323,021 | 353,072 | 69.5% |
| 2026-04-27 | 14,153 | 71,350 | 85,503 | 47.4% |
| 2026-04-20 | 5,406 | 97,716 | 103,122 | 52.2% |
| 2026-04-13 | 21,109 | 164,883 | 185,992 | 59.9% |
| 2026-04-06 | 31,083 | 313,098 | 344,181 | 64.1% |
| 2026-03-30 | 21,911 | 195,595 | 217,506 | 56.3% |
| 2026-03-23 | 32,284 | 622,962 | 655,246 | 59.4% |
| 2026-03-16 | 91,437 | 1,301,108 | 1,392,545 | 65.2% |
| 2026-03-09 | 149,367 | 1,313,433 | 1,462,800 | 55.8% |
| 2026-03-02 | 379,951 | 2,854,806 | 3,234,757 | 54.8% |
| 2026-02-23 | 2,080,973 | 28,105,207 | 30,186,180 | 54.6% |
| 2026-02-16 | 3,842,818 | 76,415,156 | 80,257,974 | 51.5% |
| 2026-02-09 | 20,363 | 172,249 | 192,612 | 55.1% |
| 2026-02-02 | 41,736 | 429,042 | 470,778 | 62.8% |
| 2026-01-26 | 25,523 | 454,690 | 480,213 | 41.3% |
| 2026-01-19 | 15,423 | 215,811 | 231,234 | 63.9% |
| 2026-01-12 | 59,350 | 434,681 | 494,031 | 54.6% |
| 2026-01-05 | 259,421 | 7,063,284 | 7,322,705 | 34.2% |
| 2025-12-29 | 7,531 | 69,358 | 76,889 | 54.7% |
| 2025-12-22 | 4,705 | 84,937 | 89,642 | 59.0% |
| 2025-12-15 | 4,800 | 56,554 | 61,354 | 63.8% |
Showing 1–21 of 21 weeks