No one updates these.

Proof below (4 sales). Overpay is applied.

6 month-old price.

Prices used are of time of sale.

1st sale:

http://www.tf2outpost.com/trade/9383442 sold for $190 cash, 3 months ago, would have been ~5-6 buds

2nd sale:

http://www.tf2outpost.com/trade/12423867 sold for 5 buds

3rd sale:

http://www.tf2outpost.com/trade/13857316 bought hearts phantom+10 to 12 keys seen here: http://www.tf2outpost.com/trade/13826083 =~5.9 buds

4th sale:

http://www.tf2outpost.com/trade/14391997 added lime stash to buy hearts kabuto=~5.7 buds

Sales: 5, 5.5, 5.7, 5.9

The range is set at the two ends of the 4 sales. I have tried my best to use original unusual values instead of the inflated prices.