If it actually costed $20 everyone would be playing Taleb on much of their portfolios :). It is not cheap, and also not so easy to size everything properly. Hed

If it actually costed $20 everyone would be playing Taleb on much of their portfolios :). It is not cheap, and also not so easy to size everything properly. Hedging is not user friendly at all. Robert Shiller often complains about the lack of general public awareness when it comes to hedging. Rationally, if you work in an oil company you should be short oil, but the opposite is much more common to be found in the real world. Similarly with real estate - if you have a big mortgage maybe you should somehow be short on the real estate market elsewhere, just in case your city becomes the next Detroit.