You buy a $25,000$ pound copper futures contract at $$3\mathrm{.}1165$ per pound with an initial margin requirement of $$5000,$ and maintenance margin of $$3000.$

What is your percent return if instead copper decreased to $$3\mathrm{.}0659?-25\%-5\%-2\%-0,2\%2$ Speculators in futures markets provide liquidity which raises transaction costs. lowers transaction costs. increases excess volatility. causes panics and crashes.