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NGG

National Grid PLC
$82.85 +2.67 (+3.33%) At close · Jul 2
Market Cap
$82.45B
Shares
5,198,968,690

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
2026-05-04 881,112 641,332 1,522,444 41.1%
2026-04-27 775,199 651,554 1,426,753 33.4%
2026-04-20 728,989 645,854 1,374,843 37.3%
2026-04-13 686,240 704,700 1,390,940 36.7%
2026-04-06 751,513 608,941 1,360,454 37.1%
2026-03-30 957,296 627,047 1,584,343 35.9%
2026-03-23 1,127,475 1,171,459 2,298,934 37.7%
2026-03-16 1,481,703 1,840,189 3,321,892 39.9%
2026-03-09 1,288,191 1,002,006 2,290,197 33.3%
2026-03-02 1,256,411 797,786 2,054,197 34.7%
2026-02-23 1,504,872 1,528,809 3,033,681 41.9%
2026-02-16 994,393 921,951 1,916,344 38.6%
2026-02-09 2,195,902 1,289,805 3,485,707 42.8%
2026-02-02 1,237,951 744,312 1,982,263 39.1%
2026-01-26 873,982 761,449 1,635,431 38.1%
2026-01-19 518,814 428,081 946,895 37.9%
2026-01-12 699,003 537,116 1,236,119 40.3%
2026-01-05 1,054,278 787,599 1,841,877 44.4%
2025-12-29 294,414 401,493 695,907 45.3%
2025-12-22 338,987 312,924 651,911 47.2%
2025-12-15 757,233 614,679 1,371,912 38.5%
2025-12-08 534,305 460,240 994,545 44.1%
2025-12-01 692,409 485,167 1,177,576 36.7%
2025-11-24 548,464 360,138 908,602 30.9%
2025-11-17 714,353 527,818 1,242,171 33.3%
2025-11-10 600,321 478,181 1,078,502 28.6%
2025-11-03 751,560 550,090 1,301,650 39.2%
2025-10-27 532,422 421,895 954,317 38.8%
2025-10-20 539,141 543,170 1,082,311 38.8%
2025-10-13 917,620 672,117 1,589,737 37.7%
2025-10-06 688,800 598,977 1,287,777 35.6%
2025-09-29 659,024 593,523 1,252,547 32.5%
2025-09-22 590,214 469,992 1,060,206 38.2%
2025-09-15 452,394 517,925 970,319 45.1%
2025-09-08 808,768 528,486 1,337,254 45.5%
2025-09-01 647,020 604,764 1,251,784 45.3%
2025-08-25 468,630 404,876 873,506 45.2%
2025-08-18 632,041 405,014 1,037,055 40.2%
2025-08-11 672,574 481,560 1,154,134 43.2%
2025-08-04 745,940 507,718 1,253,658 39.1%
2025-07-28 1,092,583 1,015,038 2,107,621 41.5%
2025-07-21 857,929 945,292 1,803,221 38.2%
2025-07-14 903,256 545,888 1,449,144 35.1%
2025-07-07 868,101 498,386 1,366,487 35.8%
Showing 1–44 of 44 weeks
Key facts CIK 1004315 CUSIP 636274409 13F (30d) 7 filings 6 filers Visit website