ES1 emulates the circuits of analog synthesizers in a simple, streamlined interface. ES1 produces sounds using subtractive synthesis. It provides an oscillator and sub-oscillator that generate harmonically rich waveforms.

When trading futures of the S&P 500 index, traders may buy a futures contract, agreeing to purchase shares in the index at a set price six months from now. If the index goes up, the value of the futures contract will increase, and they can sell the contract at a profit before the expiration date.

Index futures are contracts to buy or sell a financial index at a set price today and are settled in the future. These contracts were initially meant only for institutional investors but have been open for decades to anyone. Portfolio managers use index futures to hedge their equity positions against a loss in stocks.