TheLark

FREE INDICATOR: CHOPPINESS INDEX "TREND DETECTION FROM CHAOS"

About:
The Choppiness Index was created by E.W. Dreiss out of chaos theory, and attempts to gauge the current market's trendiness.
I've seen a few versions of this floating around, but this was built off the true version as described in the original 1993 release, you can read more about it here: http://www.edwards-magee.com/ggu/dreissc...

Usage:
Values above 61.8 are considered very choppy, values below 38.2 are considered very trendy, but values along the entire scale can help you determine position sizing, or even weather you should be getting into this trade or not.
If you are looking for a new way to know weather the market is trending, about to trend, or just going sideways, this very handy indicator for algorithmic trading may be your answer.

Grab the source code here: http://pastebin.com/GEtpw6Pd
Installation video by @ChrisMoody here : http://blog.tradingview.com/?p=265

                 ░░░░░░░░░░░░░░░ Feel free to follow me to keep up with my latest scripts! ░░░░░░░░░░░░░░░
                 ░░░░░░░░░░░░ PLEASE THUMB UP OR STAR IF YOU LIKE THIS INDICATOR! ░░░░░░░░░░░░
                                                              I'd like as many people as possible to get it :)
開源腳本

本著真正的TradingView精神,該腳本的作者將其開源發布,以便交易者可以理解和驗證它。為作者喝彩吧!您可以免費使用它,但在出版物中重複使用此代碼受網站規則的約束。 您可以收藏它以在圖表上使用。

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想在圖表上使用此腳本?
study("TheLark: Choppiness Index", overlay=false)

length = input(14, title="Length")
doavg = input(true,title="Do Average?")
avg = input(4, title="Average Length")
l1 = input(61.8, title="Extreme Chop")
l2 = input(50.0, title="Midline")
l3 = input(38.2, title="Trending")

str = sum(tr,length)
ltl = lowest(low <= close[1] ? low : close[1],length)
hth = highest(high >= close[1] ? high : close[1],length)
height = hth - ltl
chop = 100 * (log10(str / height) / log10(length))

plot(chop, color=#42B0FF, linewidth=2)
plot(doavg ? sma(chop,avg) : na, color=white)
hli1 = hline(l1)
hli2 = hline(l2)
hli3 = hline(l3)

fill(hli1,hli2,black,80)
fill(hli2,hli3,#C8D974,80)