nsoonhui's comment still applies. For instance, call options also have limited downside, but still the limit is 100% of your investment. And most of the time yo

nsoonhui's comment still applies. For instance, call options also have limited downside, but still the limit is 100% of your investment. And most of the time you do lose 100%. Apparently, Burry's achievement was that he found a way to "short" something when there was no "off-the-shelf" product to do so. Even so it's not easy to separate skill from luck.