I saw a person asking for 0.5 btc for his hero account and you are asking 0.4 btc for a sr. Member who still need nearly 3 moths to become a hero member I think you should wait for three months then you can claim more than 0.5 btc
sometimes it depends on the quality of posts of your account, it mostly are spam then the account value will be a way low compared to others and same thing goes if the posts are constructive