> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://biasinvestors.crisp.help/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Stock Ahead

The situation wherein an investor who has entered an order to buy or sell a stock at a certain price will see transactions at that price reported on the Tape while her own order has not been executed. The reason is that other buy and sell orders at the same price came in to the specialist ahead of her and had priority.