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.
Economic expansion drives increased demand for gold jewelry, gold for technology and long-term savings, so there is a positive correlation between the price of gold and economic growth.
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.
