The best way to deal with this is to get a market, rather than model derived price. This is what JPM is going to do:
Banks also can waive their right to purchase the warrants and have the Treasury sell them through a public auction. That’s the step taken by J.P. Morgan Chase.
The inability to agree on a price has already prompted J.P. Morgan to take the next step in a complex process to remove the warrants from the hands of the government. The bank has waived its right to buy the warrants and will allow the Treasury to auction them in the public market, which bank executives say will result in an actual market price.
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