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SWX · Southwest Gas Holdings, Inc. · Off Exchange

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Market Cap
$6.24B
Shares
72.45M

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
2026-08-03 821,252 200,351 1,021,603 35.7%
2026-07-27 624,270 214,278 838,548 34.9%
2026-07-20 537,137 290,430 827,567 36.1%
2026-07-13 651,362 260,462 911,824 40.5%
2026-07-06 465,020 272,356 737,376 34.6%
2026-06-29 805,286 193,040 998,326 37.7%
2026-06-22 935,756 739,733 1,675,489 33.2%
2026-06-15 541,821 317,468 859,289 34.0%
2026-06-08 790,313 220,640 1,010,953 37.2%
2026-06-01 610,926 169,714 780,640 32.2%
2026-05-25 434,618 163,489 598,107 33.1%
2026-05-18 552,617 216,613 769,230 36.6%
2026-05-11 522,352 219,060 741,412 33.3%
2026-05-04 752,600 245,400 998,000 35.4%
2026-04-27 682,639 379,708 1,062,347 40.2%
2026-04-20 541,033 244,505 785,538 38.9%
2026-04-13 482,880 174,195 657,075 31.3%
2026-04-06 763,024 185,653 948,677 39.3%
2026-03-30 481,869 145,067 626,936 35.8%
2026-03-23 569,251 274,409 843,660 35.4%
2026-03-16 566,122 512,364 1,078,486 33.4%
2026-03-09 629,241 205,416 834,657 36.9%
2026-03-02 843,236 265,073 1,108,309 36.1%
2026-02-23 1,103,956 441,560 1,545,516 42.4%
2026-02-16 692,590 311,609 1,004,199 38.5%
2026-02-09 996,780 2,500,723 3,497,503 56.6%
2026-02-02 960,328 1,770,060 2,730,388 44.2%
2026-01-26 1,166,423 328,790 1,495,213 46.9%
2026-01-19 505,234 116,324 621,558 31.7%
2026-01-12 1,083,828 379,118 1,462,946 46.5%
2026-01-05 482,784 141,457 624,241 34.4%
2025-12-29 229,951 92,466 322,417 30.6%
2025-12-22 213,502 83,959 297,461 39.3%
2025-12-15 1,012,328 442,717 1,455,045 40.4%
2025-12-08 639,447 224,651 864,098 42.3%
2025-12-01 491,897 213,271 705,168 39.5%
2025-11-24 241,247 87,441 328,688 29.5%
2025-11-17 425,136 117,454 542,590 34.4%
2025-11-10 401,499 127,871 529,370 33.3%
2025-11-03 1,008,258 177,253 1,185,511 39.3%
2025-10-27 351,694 123,904 475,598 34.9%
2025-10-20 369,505 200,551 570,056 37.1%
2025-10-13 344,579 170,892 515,471 36.4%
2025-10-06 418,478 243,312 661,790 39.1%
2025-09-29 340,976 426,110 767,086 37.1%
2025-09-22 403,002 218,074 621,076 28.4%
2025-09-15 525,895 336,589 862,484 31.8%
Showing 1–47 of 47 weeks
Key facts CIK 1692115 CUSIP 844895102 13F (30d) 110 filings 109 filers Visit website Investor relations