For traders in ethanol futures, tastytrade margin is approximately $1,100 as energy blending mandates and biofuel production reports dictate short-term spread opportunities. Pricing: Like other major brokers, E-Trade charges zero commissions for stock and ETF trades and $0.65 per options contract. Traders can receive a discounted commission of $0.50 per contract if they make 30 or more trades each quarter. Winner: Offering a wider range of educational subjects and paper trading earns Interactive Brokers the advantage. Copper futures margin at tastytrade sits above $5,000, tracking Chinese manufacturing PMI data closely as industrial demand forecasts feed into global supply chain pricing models.