Here are the TSX Block List LeadersTM for October 2006. Block trades are large trades with a volume of 10,000 shares or more and a value of $100,000 or more. The TSX Block List Leaders list shows the top ten brokers chosen by their customers to execute these significant block trades on Toronto Stock Exchange. The leaders are measured by volume and value of blocks traded.
| Block List Leaders by Volume | Block List Leaders by Value | ||||
| Broker Name | Total Volume | % Total Volume | Broker Name | Total Value | % Value |
| TD SECURITIES INC. | 649,886,100 | 12.10 | TD SECURITIES INC. | $12,637,277,736 | 14.98 |
| GMP SECURITIES LIMITED | 544,319,826 | 10.14 | RBC CAPITAL MARKETS | $9,099,167,942 | 10.78 |
| BMO NESBITT BURNS INC. | 479,574,600 | 8.93 | BMO NESBITT BURNS INC. | $8,708,032,137 | 10.32 |
| RBC CAPITAL MARKETS | 427,870,992 | 7.97 | CIBC WORLD MARKETS INC | $8,322,525,747 | 9.86 |
| CIBC WORLD MARKETS INC. | 417,149,562 | 7.77 | NATIONAL BANK FINANCIAL INC | $7,130,747,499 | 8.45 |
| NATIONAL BANK FINANCIAL INC. | 331,917,269 | 6.18 | SCOTIA CAPITAL INC | $7,068,894,295 | 8.38 |
| SCOTIA CAPITAL INC. | 307,206,056 | 5.72 | MERRILL LYNCH CANADA LTD. | $6,175,497,897 | 7.32 |
| UBS SECURITIES CANADA INC. | 238,198,700 | 4.44 | UBS SECURITIES CANADA INC. | $4,676,082,894 | 5.54 |
| SPROTT SECURITIES LTD | 232,919,300 | 4.34 | CREDIT SUISSE SECURITES (CDA) | $3,157,553,882 | 3.74 |
| MERRILL LYNCH CANADA LTD. | 216,943,500 | 4.04 | GMP SECURITIES LIMITED | $2,485,956,999 | 2.95 |
