This chapter explains, why improved technical facilities und economic necessities enhanced trading. The world became much more volatile. The experts developed new instruments to counter these increasing risks. The commonly applied hedging procedure by diversification was no longer sufficient. Professionals voted for risk management by trading. The financial professionals sharpened their tools to manage volatility. They introduced options and futures to hedge volatility of spot instruments and established trading opportunities. That is the core message of Black Scholes option pricing formula.