Is IQ a predictor of wealth?

Could IQ truly be a reliable predictor of an individual's wealth? Many argue that intelligence and cognitive abilities are essential for success in finance and business, which in turn could lead to greater wealth. However, others contend that factors such as luck, perseverance, and social connections play an equally important role. So, does IQ alone hold the key to unlocking financial success, or is it just one piece of a much larger puzzle?