HDSN
Hudson Technologies Inc /NyCompany with tickers: HDSN
CIK
925528
CUSIP
444144109
Shares Outstanding
42,068,788
13F Activity (30d)
112 filings
107 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 | 458,619 | 731,514 | 1,190,133 | 44.8% |
| 2026-04-27 | 161,168 | 249,499 | 410,667 | 41.0% |
| 2026-04-20 | 205,714 | 166,931 | 372,645 | 45.9% |
| 2026-04-13 | 257,887 | 367,026 | 624,913 | 45.5% |
| 2026-04-06 | 315,195 | 237,533 | 552,728 | 48.1% |
| 2026-03-30 | 351,761 | 269,147 | 620,908 | 42.7% |
| 2026-03-23 | 264,449 | 500,515 | 764,964 | 40.8% |
| 2026-03-16 | 445,071 | 240,242 | 685,313 | 35.5% |
| 2026-03-09 | 491,176 | 553,524 | 1,044,700 | 39.2% |
| 2026-03-02 | 438,731 | 438,075 | 876,806 | 38.4% |
| 2026-02-23 | 238,068 | 380,116 | 618,184 | 42.3% |
| 2026-02-16 | 275,687 | 158,144 | 433,831 | 39.1% |
| 2026-02-09 | 144,348 | 189,466 | 333,814 | 30.6% |
| 2026-02-02 | 166,954 | 189,135 | 356,089 | 30.2% |
| 2026-01-26 | 121,923 | 142,296 | 264,219 | 34.1% |
| 2026-01-19 | 185,758 | 150,172 | 335,930 | 36.5% |
| 2026-01-12 | 198,482 | 279,698 | 478,180 | 41.0% |
| 2026-01-05 | 200,408 | 262,881 | 463,289 | 39.0% |
| 2025-12-29 | 208,106 | 174,346 | 382,452 | 41.3% |
| 2025-12-22 | 143,405 | 150,954 | 294,359 | 38.1% |
| 2025-12-15 | 353,500 | 339,441 | 692,941 | 31.2% |
| 2025-12-08 | 402,062 | 299,268 | 701,330 | 30.8% |
| 2025-12-01 | 465,749 | 945,351 | 1,411,100 | 36.7% |
| 2025-11-24 | 141,380 | 164,731 | 306,111 | 30.3% |
| 2025-11-17 | 427,876 | 274,754 | 702,630 | 33.0% |
| 2025-11-10 | 484,210 | 477,204 | 961,414 | 38.7% |
| 2025-11-03 | 578,962 | 807,381 | 1,386,343 | 42.4% |
| 2025-10-27 | 162,954 | 130,347 | 293,301 | 36.6% |
| 2025-10-20 | 182,661 | 210,245 | 392,906 | 37.8% |
| 2025-10-13 | 133,020 | 141,249 | 274,269 | 29.9% |
| 2025-10-06 | 180,259 | 326,644 | 506,903 | 44.8% |
| 2025-09-29 | 226,050 | 420,075 | 646,125 | 41.0% |
| 2025-09-22 | 198,758 | 163,959 | 362,717 | 32.7% |
| 2025-09-15 | 257,866 | 261,086 | 518,952 | 35.1% |
| 2025-09-08 | 188,756 | 228,380 | 417,136 | 41.0% |
| 2025-09-01 | 176,152 | 184,974 | 361,126 | 34.1% |
| 2025-08-25 | 429,205 | 302,140 | 731,345 | 35.2% |
| 2025-08-18 | 420,527 | 218,472 | 638,999 | 32.1% |
| 2025-08-11 | 373,294 | 272,271 | 645,565 | 31.8% |
| 2025-08-04 | 422,109 | 423,933 | 846,042 | 34.0% |
| 2025-07-28 | 933,660 | 1,404,034 | 2,337,694 | 42.9% |
| 2025-07-21 | 180,512 | 209,369 | 389,881 | 38.4% |
| 2025-07-14 | 194,021 | 262,261 | 456,282 | 30.5% |
| 2025-07-07 | 205,598 | 276,215 | 481,813 | 40.3% |
| 2025-06-30 | 217,535 | 172,070 | 389,605 | 34.5% |
| 2025-06-23 | 340,716 | 455,534 | 796,250 | 34.8% |
| 2025-06-16 | 465,176 | 374,989 | 840,165 | 31.7% |
Showing 1–47 of 47 weeks