Which stocks trade in 10,000, 25,000 share blocks and which ones trade in 100,000 share blocks?
For issues most actively traded in the national markets (ADV exceeds 5 million shares) the block quantity is 100,000 shares. For less liquid names (ADV less than 500,000 shares) the block quantity is 10,000 shares. For all other names the minimum block quantity is 25,000 shares. To check a specific stock, please refer to our symbol list.
