A block trade is a single trade with large number of shares. Block trades usually show institutional trading. The exact definition varies, but usually is 20,000 shares, 50,000 shares or 100,000 shares.
Traders can use our service to watch for block trades. Traders can configure this alert to set the minimum number of shares.
We offer the following alert types which are related to this topic. Click on the icon for a detailed description of the alert, or click on the example link for additional samples of each type of alert.