My items on steam are still being held despite having authenticator for over a week
Solution 1:
Steam guard has to be enabled for 15 days before you can trade items through the community market.
Steam Guard Only Recently Enabled
If you have recently enabled Steam Guard via email on your account, you will be unable to use the Community Market for the 15 days after Steam Guard was enabled. Removing Steam Guard or disabling and re-enabling Steam Guard will also trigger this restriction.
From the steam website