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L1 Buy after Dump DetectorLevel: 1
Background
The so-called "Buy after Dump" refers to the phenomenon in which the stock price sometimes rebounds temporarily due to the rapid decline in the falling market. The rebound was smaller than the decline, and the downtrend resumed after the rebound.
Function
L1 Buy after Dump Detector is one of my research to see win rate of a "Buy after Dump" chance. The principle is that I use ema() and OHLC to model a whale dump behavior. After the dump wave, I use KDJ to indicate several long entry points.
Key Signal
dump --> whale dump signal
fundready --> it indicate the end of a dump and make fund ready to long entry
longentry --> long entry signal generated from KDJ resonating with dump and fundready signal
Pros and Cons
Pros:
1. it can detect obvious dump and depict the decay of dump wave
2. use resonance to generate long entry
Cons:
1. it may be risky to "buy after dump" which may require take profit method here because the opportunity may be very short
2. KDJ is too sensitive in large time frame and have many long entry signals (the closer to dump wave, the better based on experience)
Remarks
Very interesing stuff, but rare of people trade with such crazy method. I suggest this is ONLY for backtest study of market behavior.
Readme
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. Indicator

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Multi Bar OHLC Compare Panel (Floating Grid)Multi Bar OHLC Compare Panel by RagingRocketBull 2019
version 1.0
This indicator lets you compare OHLCV values from several specified bars. Bars can be dynamic/persistent.
You can also use it as an alternate OHLC panel if you don't like small font of the native PulseWire panel.
It uses Pinescript v4 to output data dynamically as string labels in a horiz/vertical grid.
Features:
- Floating Panel with customizable horiz/vertical layout and grid spacing
- Support for up to 5 OHLC bars (highlighted with markers)
- Outputs Bar #/index, OHLCV, Bar Change Value/%, Exchange/Ticker, Timeframe, Timestamp strings
- Dynamic (fixed offset)/Persistent bars (fixed time)
- Show/Hide parts of strings
- Full output string customization, including text size, date/time format and delimiters
- 2 Anchor points for panel offset: cur bar high or range high
- Bar Change can change color
Usage:
- specify at least 1 bar index as OHLC source
- select anchor point to position the panel
- select horiz/vertical grid layout
- adjust horiz/vertical spacing
- customize output strings as needed
Notes:
- this indicator uses Pinescript v3 Compatibity Framework
- both bars 1,2 are required for log scale adjustment to work
- you can't attach the panel to screen's top/bottom and must use offset/anchor because, unlike plotshape, string labels don't support yloc=yloc.top/bottom, only yloc.above/belowbar
- you can't precisely align strings in a grid because there's no label.get_width/height to calculate mid/left points, only get_x/y/text. Alignment will break depending on string length, zoom and change color option on/off
- bar change is rendered as a separate label when change color is enabled (2 panels total) and merged into the main panel when disabled (single panel)
- you can't change the order of strings as playing with the natural order of things isn't the best of ideas
- you can modify the script to compare up to 50 OHLC bars, but do you need that much power? Of course, you do.
- you can't set color/style for string labels in Style UI, so a few extra settings were added.
- bar index is limited to 5000 for free accounts (10000 for paid), will show an error when exceeded, also when it exceeds the total number of bars in history
- in persistent bars mode all bars with index > 0 are considered persistent, bar 0 always remains a dynamic bar
- persistent bars' offset is reset: in replay mode on exit or when price reaches cur bar, or when panel layout is changed from h to v in both replay/realtime modes
- initial pos of each persistent bar relative to the first realtime bar anchor doesn't change during session - new persistent bars introduced during session are attached to the most recent cur bar anchor
P.S. Everything is proceeding as I have foreseen
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