SS&C Valuations Representative interview questions

Simple process. 1 hour interview with two people. They drilled questions about derivatives and pricing models. The interview process was, however, very sketchy. I had two recruiters reach out to me, one an internal recruiter, and one from an eternal HR company. I was to be interviewed twice, but the second time they canceled 2 hours before the interview. Very unorganized, a lot of back and forth, and the eternal HR company and the internal HR representative both gave me different reasons for canceling the interview. Very unprofessional.