WST · West Pharmaceutical Services Inc
$349.42
+3.26 (+0.94%)
At close · Aug 14
Market Cap
$24.83B
Shares
70.38M
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 |
|---|---|---|---|---|
| 2026-07-06 | 1,016,003 | 289,021 | 1,305,024 | 38.9% |
| 2026-06-29 | 1,009,366 | 269,287 | 1,278,653 | 41.9% |
| 2026-06-22 | 1,647,523 | 929,916 | 2,577,439 | 48.0% |
| 2026-06-15 | 906,890 | 428,761 | 1,335,651 | 38.4% |
| 2026-06-08 | 983,483 | 376,476 | 1,359,959 | 41.4% |
| 2026-06-01 | 1,039,675 | 396,001 | 1,435,676 | 43.4% |
| 2026-05-25 | 964,262 | 458,784 | 1,423,046 | 44.2% |
| 2026-05-18 | 864,887 | 344,576 | 1,209,463 | 40.3% |
| 2026-05-11 | 1,201,933 | 624,858 | 1,826,791 | 44.5% |
| 2026-05-04 | 1,270,768 | 598,621 | 1,869,389 | 38.9% |
| 2026-04-27 | 1,524,375 | 435,131 | 1,959,506 | 40.1% |
| 2026-04-20 | 2,445,953 | 571,289 | 3,017,242 | 43.2% |
| 2026-04-13 | 1,127,417 | 444,665 | 1,572,082 | 40.5% |
| 2026-04-06 | 1,029,729 | 317,500 | 1,347,229 | 40.4% |
| 2026-03-30 | 1,016,881 | 386,078 | 1,402,959 | 40.3% |
| 2026-03-23 | 1,293,992 | 597,227 | 1,891,219 | 42.0% |
| 2026-03-16 | 1,177,100 | 553,357 | 1,730,457 | 34.8% |
| 2026-03-09 | 1,327,748 | 519,909 | 1,847,657 | 41.2% |
| 2026-03-02 | 1,108,526 | 437,612 | 1,546,138 | 36.6% |
| 2026-02-23 | 946,811 | 527,357 | 1,474,168 | 40.0% |
| 2026-02-16 | 1,069,309 | 293,710 | 1,363,019 | 40.1% |
| 2026-02-09 | 2,428,785 | 592,382 | 3,021,167 | 43.0% |
| 2026-02-02 | 2,170,916 | 599,196 | 2,770,112 | 42.8% |
| 2026-01-26 | 1,446,056 | 968,473 | 2,414,529 | 47.0% |
| 2026-01-19 | 2,098,899 | 1,335,397 | 3,434,296 | 51.5% |
| 2026-01-12 | 1,474,327 | 516,374 | 1,990,701 | 46.2% |
| 2026-01-05 | 994,642 | 612,597 | 1,607,239 | 42.7% |
| 2025-12-29 | 558,960 | 144,164 | 703,124 | 41.6% |
| 2025-12-22 | 518,994 | 193,194 | 712,188 | 39.6% |
| 2025-12-15 | 1,128,309 | 502,844 | 1,631,153 | 32.6% |
| 2025-12-08 | 1,012,519 | 347,841 | 1,360,360 | 40.2% |
| 2025-12-01 | 946,640 | 558,499 | 1,505,139 | 44.5% |
| 2025-11-24 | 616,137 | 435,716 | 1,051,853 | 47.5% |
| 2025-11-17 | 1,659,839 | 373,166 | 2,033,005 | 55.7% |
| 2025-11-10 | 957,689 | 505,446 | 1,463,135 | 45.6% |
| 2025-11-03 | 1,340,378 | 473,143 | 1,813,521 | 46.4% |
| 2025-10-27 | 1,239,934 | 418,018 | 1,657,952 | 46.4% |
| 2025-10-20 | 1,812,567 | 530,527 | 2,343,094 | 45.0% |
| 2025-10-13 | 980,325 | 451,991 | 1,432,316 | 47.2% |
| 2025-10-06 | 803,072 | 396,548 | 1,199,620 | 43.6% |
| 2025-09-29 | 913,011 | 280,834 | 1,193,845 | 37.8% |
| 2025-09-22 | 944,526 | 379,618 | 1,324,144 | 38.7% |
| 2025-09-15 | 729,967 | 464,235 | 1,194,202 | 34.9% |
| 2025-09-08 | 1,054,072 | 341,197 | 1,395,269 | 40.0% |
| 2025-09-01 | 613,953 | 199,040 | 812,993 | 38.8% |
| 2025-08-25 | 600,964 | 488,967 | 1,089,931 | 44.2% |
| 2025-08-18 | 749,548 | 480,091 | 1,229,639 | 46.0% |
Showing 1–47 of 47 weeks