The Swiss Franc (CHF) is a safe-haven currency used by investors and financial markets in times of market uncertainty. This is due to Switzerland's long-standing reputation for political and economic stability and its strong banking system. The CHF is a popular reserve currency among central banks, and often rises in value during times of market turmoil. As a result, the CHF can be used to hedge against market volatility and protect investments from potential losses. Additionally, the CHF is often used for currency diversification, as it is not highly correlated with other major currencies.