L1 Bottomline Reversal Indicator

Level: 1


Identify the trend - By filtering the trend, traders can select entry points using overbought and overbought signals In an uptrend, for example, traders filter for oversold signals as “long entry” points that correlate with the direction of the trend.


L1 Bottomline Reversal Indicator utilizes three levels of support moving averages as detector of oversold behavior. Once the close breakout the 3rd level, it indicates bottom line appear and long entry there is commonly safe.

Key Signal

sma13 --> typical price trend
lifeline --> bull life line. if close is above lifeline, it indicates bullish state.
costline --> the 1st level of support which may have rebounce once the price drop on it for the first time.
lowbuy --> the 2nd level of support, which indicates oversold starts.
bottomline --> the 3rd level of support, which indicate extreme oversold, long entry there is safe in common sense.

Pros and Cons


1. mid-long term trading guide
2. helpful for large time frame e.g. day or week


1. Not so stable for small time frame
2. No exit scheme is disclosed.




In real life, I am a prolific inventor. I have successfully applied for more than 60 international and regional patents in the past 12 years. But in the past two years or so, I have tried to transfer my creativity to the development of trading strategies. Tradingview is the ideal platform for me. I am selecting and contributing some of the hundreds of scripts to publish in Tradingview community. Welcome everyone to interact with me to discuss these interesting pine scripts.

The scripts posted are categorized into 5 levels according to my efforts or manhours put into these works.

Level 1 : interesting script snippets or distinctive improvement from classic indicators or strategy. Level 1 scripts can usually appear in more complex indicators as a function module or element.

Level 2 : composite indicator/strategy. By selecting or combining several independent or dependent functions or sub indicators in proper way, the composite script exhibits a resonance phenomenon which can filter out noise or fake trading signal to enhance trading confidence level.

Level 3 : comprehensive indicator/strategy. They are simple trading systems based on my strategies. They are commonly containing several or all of entry signal, close signal, stop loss, take profit, re-entry, risk management, and position sizing techniques. Even some interesting fundamental and mass psychological aspects are incorporated.

Level 4 : script snippets or functions that do not disclose source code. Interesting element that can reveal market laws and work as raw material for indicators and strategies. If you find Level 1~2 scripts are helpful, Level 4 is a private version that took me far more efforts to develop.

Level 5 : indicator/strategy that do not disclose source code. private version of Level 3 script with my accumulated script processing skills or a large number of custom functions. I had a private function library built in past two years. Level 5 scripts use many of them to achieve private trading strategy.
版本注释: In order to obey the House Rule, remove the irrelevant MA Cross display.
从常用脚本中删除 添加到常用脚本


how about Topline Reversal rule or “short entry”?
+1 回复
blackcat1402 investmood
@investmood, maybe a similar top line zone is needed
Lots of good stuff coming from you lately :) Thanks a lot for sharing your work!
+1 回复
@nilux, glad to hear from you! Hope these may inspire you for more powerful strategies:D
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