According to Ezra Klein:
One thing that’s gotten lost in the debate over the shutdown is how much Democrats have already conceded to Republicans on spending. This is partly the consequence of the direct spending cuts in the 2011 debt-ceiling deal and partly the consequence of sequestration (which was, of course, also part of the 2011 deal). Still, the bottom line is that Republicans have been so successful at making Obamacare concessions the issue that Democratic concessions on spending have gone almost unnoticed.
Meanwhile, Jedd Lugum of Think Progress tweets out what kind of “compromise” the Republicans are demanding from Obama.