> I don't know how much riskier. Read the prospectus, they are required by law to list all of the known risk(s) in that document. In general, MMF's are mostly

> I don't know how much riskier. Read the prospectus, they are required by law to list all of the known risk(s) in that document. In general, MMF's are mostly identical to cash, but they do have some quirk(s) that might cause problems, and it should be noted that none of them are FDIC insured, and SIPC insurance(which they will qualify under) is drastically different than FDIC. https://www.sipc.org/for-investors/ https://www.sipc.org/for-investors/