Originally Posted by capncrunch

Actually no.

Since the bids ran monthly...In theory, a block guy could bid December reserve and bid back to block for January. There was a risk with this if your block spot got filled and no one bid out the next month you just lost your block and are stuck on reserve. This is why most did not do it but it was possible.

This was assuming that block was a senior position. In Hawaii, the reserve was more senior than block.