A financial crisis is a persistent contradiction in the operation of activities related to money and capital, for example, a credit crisis in the cashing of bills, a currency crisis caused by a disconnect between buying and selling, etc.
Early options trading in the US began in 1872, founded by the then famous financier Russell, and at that time included call and put options, the market was always OTC and required trading through brokers.
Trading in the fast-moving futures market is like driving on a highway, with the floating profits and losses of your account going straight up and down, sometimes so fast that you are overwhelmed.
