Counter-manipulation suggestion

I'm starting to get a reputation for this...

OUTPOST OVERVIEW:

http://www.tf2outpost.com/trade/19460998 B/O of ~1.5 (1 month)

http://www.tf2outpost.com/trade/15043547 B/O of ~1.5 (lol 7 months)

SALES:

http://www.tf2outpost.com/trade/20227223 Sold for Stormy Noble (Outdated at 1.6, mini at 1.6)

1.6 * 0.9 = 1.44 (rounding to 1.4)

Histories:

http://www.tf2outpost.com/item/440,2678026034,182,5

http://www.tf2outpost.com/item/440,2677638585,137,5

http://www.tf2outpost.com/trade/19651375 Sold for Smoking Front Runner (1.7)

1.7 * 0.9 = 1.53 (rounding to 1.5)

Histories:

http://www.tf2outpost.com/item/440,2678026034,182,5

http://www.tf2outpost.com/item/440,2577847769,760,5

Noble mini:

http://www.tf2outpost.com/trade/20354650 Sold for Blizzardy Ballcap (1.9)

1.9 * 0.9 = 1.71 (rounding to 1.7)

http://www.tf2outpost.com/trade/20351063 Sold, B/O of 1.5

Refreshing the Noble at 1.6. (1.5-1.7)

Let it ride.