Craig O’Boyle is hoping to create a business making assumptions faster and easier. Mr. O’Boyle is a real estate agent who has been selling homes in Colorado for three decades, long enough that he remembers having to read through the door-stopper contracts that buyers and sellers now just click through on DocuSign. Reading over the lines about certain loans being assumable, he said, he had long thought that if rates ever spiked those owners would suddenly discover that their debts had value.“And then here comes this shift in the interest rate market,” Mr. O’Boyle said.Last year, he and a partner started Assumption Solutions, a consulting firm that, for a $1,100-per-de …
