GameStops stock has recently seen large volatility in its stock price. Which of the following is/are correct?

1. Many investors have made large bets that the stock price will rise by using call options.
2. Many investors have made large bets that the stock price will fall by shorting the stock.
3. There have been big differences in the bets by investors with hedge funds and other institutional investors most often betting on stock price increases and individual investors most often betting on stock price declines.