The remaining 160K MtGox coins will never appear on the market. Once the judge allows MtGox to enter Civil Rehabilitation the remaining 160K btc will not be governed by bankruptcy law which required cash payouts to claimants. The remaining bitcoins are merely corporate assets that must be returned to stockholders. And the stakeholders in MtGox– Karpeles, and some would argue, all his customers overwhelmingly prefer bitcoin to cash.

Since there will be no legal reason to sell the bitcoins they will not appear on the market.