Nelogica is a Brazilian company focused on developing technological solutions for the financial market, known for its trading platforms like BlackArrow and Profit, which allow market analysis and execution of trades. Nelogica is not a brokerage but a software provider that helps traders understand and operate better in the financial market.

Ylos Trading, on the other hand, is a proprietary trading desk that offers funded accounts after an evaluation process for traders. The relationship between Nelogica and Ylos is one of technological partnership, where Nelogica provides the BlackArrow platform for Ylos to operate. This means that Ylos traders use BlackArrow to analyze the market, execute orders, and manage their trading positions. The collaboration ensures Ylos has a robust and updated trading infrastructure, allowing the company to focus on trader evaluation and funding while Nelogica takes care of the trading technology.