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Hello,nowadays it's easy to obtain pricing for loans in the secondary market. How do Loan desks asses their market risk? What stress-tests are performed? Is some historical price volatility used or are there analytical models out there that can stress credit spread , drawdowns , etc? Any vendors that offer solutions?Any insights would be greatly appreciated.

Wall street systems is a relevant vendorrisk assessed qualitatively, in terms of notional at risk and expected losses. larger portfolios statistically modelled against volume/default curves.that's as close as i got.