Kershner Trading Group | 6,726 followers on LinkedIn. Kershner Trading Group, LLC, wants to be known as the best place in the world where short term traders make the most money and grow their career. We are a proprietary trading and technology firm, providing capital, trading applications and infrastructure to manual and algorithmic traders. We provide Gr8trade, a proprietary trading execution and analysis platform that offers market data and execution capabilities, as well as enables traders to automate their trading process.