GHM · Graham Corp · Off Exchange
$85.72
-0.59 (-0.68%)
At close · Oct 1
Return incl. dividend (before tax)
Market Cap
$1.02B
Shares
11.74M
Volume · Oct 1
33.73K
Avg daily vol (3M)
202.15K
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 |
|---|---|---|---|---|
| 2026-08-24 | 232,836 | 185,482 | 418,318 | 38.9% |
| 2026-08-17 | 263,872 | 97,437 | 361,309 | 41.7% |
| 2026-08-10 | 220,134 | 236,024 | 456,158 | 49.1% |
| 2026-08-03 | 227,007 | 154,976 | 381,983 | 39.8% |
| 2026-07-27 | 294,202 | 147,486 | 441,688 | 38.6% |
| 2026-07-20 | 244,145 | 106,888 | 351,033 | 36.9% |
| 2026-07-13 | 366,124 | 129,061 | 495,185 | 25.7% |
| 2026-07-06 | 212,510 | 168,302 | 380,812 | 38.2% |
| 2026-06-29 | 198,508 | 160,597 | 359,105 | 36.6% |
| 2026-06-22 | 401,058 | 276,186 | 677,244 | 37.7% |
| 2026-06-15 | 241,981 | 209,170 | 451,151 | 34.3% |
| 2026-06-08 | 383,352 | 272,168 | 655,520 | 39.7% |
| 2026-06-01 | 300,983 | 235,830 | 536,813 | 38.5% |
| 2026-05-25 | 291,927 | 220,043 | 511,970 | 33.8% |
| 2026-05-18 | 194,971 | 142,972 | 337,943 | 31.3% |
| 2026-05-11 | 251,575 | 97,315 | 348,890 | 30.2% |
| 2026-05-04 | 194,359 | 87,415 | 281,774 | 32.7% |
| 2026-04-27 | 166,360 | 88,307 | 254,667 | 31.7% |
| 2026-04-20 | 91,387 | 93,565 | 184,952 | 34.1% |
| 2026-04-13 | 164,979 | 127,017 | 291,996 | 35.5% |
| 2026-04-06 | 112,155 | 117,426 | 229,581 | 34.3% |
| 2026-03-30 | 86,606 | 72,295 | 158,901 | 25.2% |
| 2026-03-23 | 120,584 | 88,523 | 209,107 | 36.9% |
| 2026-03-16 | 123,884 | 87,776 | 211,660 | 34.9% |
| 2026-03-09 | 149,865 | 75,716 | 225,581 | 37.5% |
| 2026-03-02 | 145,535 | 108,460 | 253,995 | 44.2% |
| 2026-02-23 | 130,727 | 104,873 | 235,600 | 43.4% |
| 2026-02-16 | 78,620 | 57,493 | 136,113 | 39.9% |
| 2026-02-09 | 163,061 | 140,479 | 303,540 | 43.7% |
| 2026-02-02 | 151,653 | 104,082 | 255,735 | 38.9% |
| 2026-01-26 | 163,607 | 103,917 | 267,524 | 43.8% |
| 2026-01-19 | 92,511 | 59,514 | 152,025 | 39.9% |
| 2026-01-12 | 119,027 | 63,361 | 182,388 | 42.5% |
| 2026-01-05 | 141,678 | 126,245 | 267,923 | 44.8% |
| 2025-12-29 | 108,277 | 47,081 | 155,358 | 32.8% |
| 2025-12-22 | 194,966 | 96,814 | 291,780 | 45.7% |
| 2025-12-15 | 119,959 | 59,610 | 179,569 | 39.3% |
| 2025-12-08 | 161,794 | 87,087 | 248,881 | 42.6% |
| 2025-12-01 | 149,689 | 60,884 | 210,573 | 41.6% |
| 2025-11-24 | 54,872 | 31,378 | 86,250 | 40.4% |
| 2025-11-17 | 118,589 | 59,016 | 177,605 | 36.6% |
| 2025-11-10 | 112,227 | 73,230 | 185,457 | 39.1% |
| 2025-11-03 | 176,413 | 81,704 | 258,117 | 45.3% |
| 2025-10-27 | 128,941 | 48,424 | 177,365 | 35.6% |
| 2025-10-20 | 173,946 | 74,462 | 248,408 | 42.8% |
| 2025-10-13 | 196,844 | 110,389 | 307,233 | 42.6% |
| 2025-10-06 | 197,463 | 98,621 | 296,084 | 51.5% |
Showing 1–47 of 47 weeks