I still remember during the last open auction had the btc price tanking. It's like suddenly you introduce so much supply into the open market
It bounced back relatively quickly though.
People realised that the coins were still being sold at market value and not 50% under as people assumed they'd be sold at.
It has not been shown what price the SR coins were sold at. All that is really known is the fact that one person (Tim Draper) won the entire auction.
I would say that the fact that one person won the auction was interpreted that the price was not a "steep discount" although even this is nothing more then speculation