 That is an opportunity. Higher coupon mortgages, for the most part, look reasonably attractive because there's the chance of refinancing. But it's not a huge chance, and it's certainly not a huge part of the market at this point. So there are a lot of very interesting technical dynamics that allow a mortgage investor to monetize the change in volatility, the change in the prepayment rates that ultimately flow through in a mortgage security, and to really capture what are very