In the financial world, 2020 was the year of the SPAC. During the past few years, many Silicon Valley start-ups were chomping at the bit to get listed and cash out via initial public offering (IPO). And in 2020, over half of the companies that went public did so using a SPAC. Exchanges are also getting in on the fun, with at least three SPAC ETFs hitting the stock exchange in the past few months.