This is more likely to increase the risk in your portfolio which should be almost zero risk. Right now it has never been a better time to just sink as much cash as possible into US government bonds which are considered one of the safest in the world and are paying more than they have for around 2 decades. These sort of swings are very rare and when interest rates do start to tick down, the long dates bonds will be more valuable than municipal or corporate bonds which have much higher risk. There's a reason why Buffett has gone heavy and loaded up on such bonds, he knows to grab the bargain opportunity while it's there - because it can disappear rather quickly.