The diploma thesis is focused on area of algorithmic trading. The main focus in this thesis is aimed towards algorithmic solution to arbitrage trading scheme. This system can be categorized as a high frequency trading system that can trade almost risk free in case that ideal technical conditions are met. Model in this thesis is backtested on cryptocurrency Bitcoin, the reason for that is balance between asset liquidity and amount of opportunities that occur on markets for this trading model. System can be used as well on other instruments that have similar characteristics. The main use case for this tool is to provide real time information for trader about occurring opportunities. Used software core has also ability to place automated tradi...