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. Fidelity has been a household name for its line of mutual funds , but the firm is also one of the best overall online brokers around. When trading futures , even seemingly small differences in commissions and margin rates can make or break profitability. For example, saving $0.50 per contract might not seem huge at first, but if you’re trading 20 contracts a day, that's $10 saved daily or $2,600 saved annually assuming 260 trading days. Add in margin efficiency (lower capital requirements for trades) and platform reliability and picking the right futures broker becomes a major driver of your success. The volatility index futures (/VX) show tastytrade margin near $14,300, a level that correlates directly to implied volatility spikes in S&P options markets.