ATEC · Alphatec Holdings, Inc. · Off Exchange
$9.93
-0.39 (-3.78%)
At close · Oct 1
Return incl. dividend (before tax)
Market Cap
$1.59B
Shares
154.45M
Volume · Oct 1
460.97K
Avg daily vol (3M)
2.21M
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 | 2,176,190 | 1,032,173 | 3,208,363 | 42.8% |
| 2026-08-17 | 1,899,563 | 1,075,073 | 2,974,636 | 40.5% |
| 2026-08-10 | 1,904,718 | 1,346,929 | 3,251,647 | 39.0% |
| 2026-08-03 | 5,036,260 | 3,119,194 | 8,155,454 | 40.2% |
| 2026-07-27 | 2,578,754 | 1,338,657 | 3,917,411 | 40.0% |
| 2026-07-20 | 2,326,060 | 1,354,249 | 3,680,309 | 41.1% |
| 2026-07-13 | 2,134,691 | 1,642,523 | 3,777,214 | 36.4% |
| 2026-07-06 | 2,574,977 | 2,332,184 | 4,907,161 | 40.6% |
| 2026-06-29 | 4,003,297 | 2,439,223 | 6,442,520 | 44.6% |
| 2026-06-22 | 4,097,728 | 3,776,343 | 7,874,071 | 36.8% |
| 2026-06-15 | 2,943,126 | 3,193,659 | 6,136,785 | 39.8% |
| 2026-06-08 | 2,701,052 | 2,073,957 | 4,775,009 | 45.2% |
| 2026-06-01 | 3,024,892 | 2,361,687 | 5,386,579 | 42.7% |
| 2026-05-25 | 2,241,480 | 2,218,925 | 4,460,405 | 42.2% |
| 2026-05-18 | 3,068,588 | 2,512,151 | 5,580,739 | 44.5% |
| 2026-05-11 | 5,732,484 | 3,845,059 | 9,577,543 | 46.7% |
| 2026-05-04 | 14,140,855 | 11,228,284 | 25,369,139 | 50.6% |
| 2026-04-27 | 4,020,539 | 3,171,258 | 7,191,797 | 43.3% |
| 2026-04-20 | 3,713,960 | 1,765,946 | 5,479,906 | 39.3% |
| 2026-04-13 | 2,858,012 | 1,867,218 | 4,725,230 | 43.5% |
| 2026-04-06 | 2,229,670 | 1,340,501 | 3,570,171 | 38.2% |
| 2026-03-30 | 2,498,011 | 1,772,922 | 4,270,933 | 37.6% |
| 2026-03-23 | 2,524,900 | 1,638,789 | 4,163,689 | 41.5% |
| 2026-03-16 | 2,494,177 | 1,745,334 | 4,239,511 | 38.9% |
| 2026-03-09 | 3,202,647 | 3,986,852 | 7,189,499 | 45.8% |
| 2026-03-02 | 2,542,701 | 1,636,494 | 4,179,195 | 41.2% |
| 2026-02-23 | 4,173,968 | 4,235,301 | 8,409,269 | 44.9% |
| 2026-02-16 | 2,068,480 | 1,245,796 | 3,314,276 | 39.1% |
| 2026-02-09 | 3,198,285 | 2,492,154 | 5,690,439 | 44.5% |
| 2026-02-02 | 3,882,314 | 3,575,430 | 7,457,744 | 49.3% |
| 2026-01-26 | 3,007,395 | 4,251,947 | 7,259,342 | 49.3% |
| 2026-01-19 | 3,408,483 | 2,658,314 | 6,066,797 | 45.2% |
| 2026-01-12 | 10,301,310 | 9,245,711 | 19,547,021 | 50.7% |
| 2026-01-05 | 3,168,150 | 2,212,530 | 5,380,680 | 44.1% |
| 2025-12-29 | 1,246,781 | 1,024,847 | 2,271,628 | 41.3% |
| 2025-12-22 | 1,885,720 | 1,771,789 | 3,657,509 | 45.5% |
| 2025-12-15 | 2,012,488 | 2,481,158 | 4,493,646 | 44.7% |
| 2025-12-08 | 2,066,831 | 4,986,821 | 7,053,652 | 58.0% |
| 2025-12-01 | 2,216,453 | 2,344,904 | 4,561,357 | 45.6% |
| 2025-11-24 | 2,064,257 | 1,635,570 | 3,699,827 | 44.4% |
| 2025-11-17 | 1,912,572 | 1,431,303 | 3,343,875 | 37.7% |
| 2025-11-10 | 2,381,877 | 4,570,710 | 6,952,587 | 52.1% |
| 2025-11-03 | 3,660,353 | 3,054,862 | 6,715,215 | 45.0% |
| 2025-10-27 | 5,020,247 | 5,820,547 | 10,840,794 | 47.8% |
| 2025-10-20 | 2,312,071 | 2,417,474 | 4,729,545 | 49.1% |
| 2025-10-13 | 2,953,650 | 2,288,931 | 5,242,581 | 46.9% |
| 2025-10-06 | 2,086,201 | 1,970,431 | 4,056,632 | 45.0% |
Showing 1–47 of 47 weeks
Key facts
CIK
1350653
CUSIP
02081G201
13F (30d)
15 filings
9 filers
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