From my perspective as an experienced trader, determining the total trading costs for indices like the US100 at Apex Trader Funding presents notable challenges due to significant gaps in transparency. Based on the available information, Apex Trader Funding offers trading in futures and stocks, but indices, traditional forex pairs, and related asset classes are not listed among their supported products. When I examine a potential offering such as the US100, which is typically accessed via CFD or futures contracts, I see no concrete details about contract specifications, spreads, commissions, or even indicative slippage rates. The absence of detail regarding spreads or fees is especially problematic for me, as trading costs are a fundamental part of my risk management and profitability calculations. Further, the lack of regulation and the unavailability of established trading platforms like MT4 or MT5 raises my concern about cost structures and order execution quality. Without a clear fee schedule, demo account access, or even definitive info about available assets, I cannot reliably assess what a trade—let alone an active day trading strategy—would actually cost me on something like the US100. In summary, for me, the combination of no regulatory oversight and a lack of transparency on trading costs means I cannot confidently recommend Apex Trader Funding as a cost-effective or safe venue for trading indices. I would advise any serious trader to exercise caution and demand full cost disclosure before engaging with such a broker.