hi, are you from German, welcome to the site, you can use the search button (top right corner) to look for what you want, a quick search on donchian leaded to this post, you may want to search for member breakout for more posts http://elitetrader.com/vb/forumdisplay.php?s=&forumid=25 tip: click on quote to reply to a post and click on check spelling button to check you spelling
based on your picture it is not a Donchian channel. The Formula for Donchian Upper Band = MAX(HI, n) Lower Band = MIN(LO, n) Middle Band = (Upper Band + Lower Band) / 2 If price doesn't make higher high or lower low one side of the channel will stay flat, which is not the case on your pics.
here u go another natural born supertrader that at the first yr of his career can already almost double his acct...and we are not talkin' about 3k bucks, half a million dollars off the bat. he gotta be tradin' fx, innit.