I discovered an error in my script, that calculates the future returns.

Here are the corrected numbers:

Name: 2016-05-30_074257.jpg Views: 2435 Size: 12.4 KB
(mean returns for the selected days of a TLB incl. correction for a small baseline drift up)

Conclusions:
1.
Pascal's idea to use a trend-line break as an exit signal and even a short becomes more valid.

2.
Don't trust my coding skills or spelling :) .