> ## Documentation Index
> Fetch the complete documentation index at: https://help.arcus.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# Why is the quote different from the price on a stock chart?

A chart shows a reference price with no size behind it and no guarantee of execution at that level. A quote is an executable estimate for the trader's exact size at that instant, inclusive of the maker's spread.