Turtletrader

Donchian and Keltner Channels Trend Following with Trailing Stop Long Only Trend-following model based on Keltner Channels and Donchian Channels. These indicators include a noise region, which allows prices to oscillate without requiring position adjustments. When price trades above the upper band, it signals strength; when it trades below the lower band, it signals weakness. Keltner Channels Keltner Channels are volatility-based envelopes set above and below an exponential moving average. Keltner Channels use the Average True Range (ATR), which measures daily volatility, to set channel distance. Donchian Channel Donchian Channels are are used to identify market trends and volatility. The upper and lower bands are based on the highest high and lowest low of a specified period. When the price moves above the upper band, it indicates a bullish breakout, while a move below the lower band indicates a bearish breakout. The distance between the upper and lower channel of the Donchian Channel indicates the asset’s volatility. Trend Following Model The default settings are: Upper Keltner and Upper Donchian Channel Length : 20 Lower Keltner and Lower Donchian Channel Length : 40 Keltner ATR Multiplier: 2 Entries, Exits and Trailing Stop Entry : When price exceeds the upper band of at least one of these indicators. Exit : When price undercuts the lower band of at least one of these indicators. Trailing Stop : See below. Trailing Stop This is a stop-loss order that moves with the price of the underlying. It is designed to “trail” the price up (in the case of a long position) or down (for a short position), locking in profits as the price moves in a favorable direction. At the end of day t, there was a Trailing Stop level in place. For the next day (day t + 1), the Trailing Stop will be adjusted. The new Trailing Stop will be the higher of two values: The Trailing Stop from the previous day (day t). The Lower Band computed at the end of day t + 1.

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Turtle Money Management The Turtle Trading approach* is a trend following system that uses volatility for position size. *(Richard Dennis & William Eckhardt ) Turtle traders use the N unit system for risk management, which has its own advantages. This indicator offers beginners a simple interface that uses the same logic. Using ATR (Average True Range) to measure volatility. The indicator shows the suggested position size and stop-loss price. You need to activate position line to see how it behaved in the past. Information about the Turtle system shows that it works in a daily candle. Intraday candles can be misleading (for ATR) because of this indicator use daily ATR by default. I leave the choice to you. Limits recommended by Turtle Traders - Single Trade % 2 Maximum risk Single Market % 4 Maximum risk Closely Correlated Markets % 6 Maximum risk Loosely Correlated Markets % 10 Maximum risk Single Direction – Long or Short % 12 Maximum risk

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Donchian Channels Strategy by KrisWaters Doncian Channels is a trend tracking indicator developed by Richard Doncian. The upper line of the channel is determined by the highest value seen by the price in the defined period, the lower line of the channel is determined by the lowest value seen by the price in the defined period. The middle line takes the average value of the lower and upper channels. Strategy Settings: - Can apply only LONG positions. - Can apply only SHORT positions. - Use LONG/SHORT both. - You can use ATR as a second exit condition. If ATR stop disabled, Donchian upper or lower channel value is use for the exit rule to long and short positions. Strategy can be able to optimize by changing channel lengths and timeframe.

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Turtle Trend Trading System [racer8]This is the Turtle traders' actual system which uses a 55 period channel for entries & a 20 period channel for exits. Enjoy ;)

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Turtle N Normalized Simple script that calculates the normalized value of N. Rules taken from an online PDF containing the original Turtle system: "The Turtles used a volatility-based constant percentage risk position sizing algorithm. The Turtles used a concept that Richard Dennis and Bill Eckhardt called N to represent the underlying volatility of a particular market. N is simply the 20-day exponential moving average of the True Range, which is now more commonly known as the ATR. Conceptually, N represents the average range in price movement that a particular market makes in a single day, accounting for opening gaps. N was measured in the same points as the underlying contract. The Turtles built positions in pieces which we called Units. Units were sized so that 1 N represented 1% of the account equity. Thus, a unit for a given market or commodity can be calculated using the following formula: Unit = 1% of Account/(N x Dollars per Point)" To normalize the Unit formula, this script instead takes the value of (close/N). Dollars per point = 1 for stocks and crypto, but will change depending on the contract specifications for individual futures. "Since the Turtles used the Unit as the base measure for position size, and since those units were volatility risk adjusted, the Unit was a measure of both the risk of a position, and of the entire portfolio of positions." When the value of N is high, volatility is low and you should be more risk-on. When the value of N is low, volatility is high and you should be more risk-off.

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by MartinShkreIi

Weeknights Donchian Cloud Donchian Channel Trading system visualised as a cloud. Regular/Quick inputs; Length: 20 Entry Length: 20 Stop Length: 10 Alternate/Slower Inputs; Length: 55 Entry Length: 55 Stop Length: 20 For a more in-depth review, look up "Turtle Trading" rules The simplest way to use the cloud; -When the cloud flips from above to below (support), close any shorts and open a long -When the cloud flips from below to above (resistance), close any longs and open a short -Cloud is flipped based on a breakout on the high / low -Most effectively used on the daily, but can be used on any time frame -For traditional markets, an input of 20 is most commonly used -For 24/7 markets, an input of 28 is most commonly used -Find an input that makes the most sense to you! I appreciate any feedback, feel free to message me on twitter / comment! Twitter ; @ImWeeknight Credit to user KivancOzbilgic for helping with the script

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Turtle trading strategy (Donchian/ATR)Strategy based on Turtle Trading Strategy from William Eckhardt and Richard Dennis - Considers entering trades on breakout of Donchian channels (upper for long, lower for short) (Default length = 20 for daily) - Considers exiting trades on breakout of Donchian channels (lower for long, upper for short) with lower length (10 for daily) - Uses 2N ATR (default) as stop loss

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Turtle Strategy Short Sell Version This is a short-sell version of the strategy based on the famous turtle system. www.tradingblox.com In a nutshell, it a trend trading system where you are shorting on strength (in the downtrend), selling on weakness (that it might be reversing). positions should be entered when the price crosses under the 20-day low (S1 low) or 55-day low (S2 low). positions should be exited when the prices crosses over the 10-day high (S1 high) or 20-day high (S2 high) you can add positions at every unit (measured by multiple of n, where n=1 ATR) stops should be placed at 2*n above every position entered, when the stop is hit exit your entire position. positions should be entered everytime price crosses under S1 or S2, with one exception: if the last trade was an S1 trade and it was a winning trade, skip the next trade unless the price crosses under S2, if that is the case, you should take it. S1 and S2 levels are also configurable for high and lows. N multiple for stops and pyramid are also configurable To change this from a strateg to a study: 1) uncomment the next line and comment out the strategy line. 2) at the end of the file comment out the last 2 lines study(title="Turtle Study Short", overlay=true)

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Real Turtle There are a few different attempts at the turtle strategy on here, but none that I have seen thus far correctly follow the strategy as I know it. This version uses a stop order to trail out of the position by moving the stop order to match the exit channel or stoploss as the N*2( ema of True Range * 2). This version of turtle strategy also uses stop orders for entry on either side in order to enter at optimal time. The ability to specify a backtest period was borrowed from another script, I grabbed it so long ago I no longer remember from whom i borrowed it, if it was yours I will credit you if you PM me. This version unlike others also allows you to specify a risk % so you only risk that percentage of your equity in a trade, as calculated from your stoploss. Disclaimer: I have published several scripts in the past when i was first learning pinescript and they are all horrible please ignore those. I would delete them, but TV doesn't allow you to delete.

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Turtle System First pinescript strategy I've ever written so still learning what is possible. This strategy is based on the famous turtle system and tried to stay true to the rules within the confines of what pinescript will allow me to do. Features: Green lines represents the 20/55 day highs (configurable) Red lines represent the 10/20 day lows (configurable) Purple line represents stop (defaults to 2N away configurable) Pyramids up to 5 long positions (each 1N away configurable). Arrows: Up Arrow Green - 20 day long position entered Up Arrow Purple - 55 day long position entered Down Arrow Green - Winning trade exited out. Down Arrow Red - Losing Trade either stopped out or exited out. Code tracks successful wins as it is only allowed to enter positions if the last trade was not a wining trade. One limitation, only supports Long trades although wouldn't be a lot of work to also make it support Short. NASDAQ:AAPL Love to hear feedback on improvements, particularly to make it more robust.

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Consecutive Highs/Lows Track consecutive new highs/lows outside the Donchian range. Fans of the oldschool Turtle Strategy should enjoy the visualization. Same logic as my "Walking the Bands" script, just with Donchian breaks instead of Bollinger tags.

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B3 Donchian Clouds This is the Donchian Channel expressed with a percentage cloud. Default 12.5% of the range will be filled at each edge, this helps to show reversal possibilities as price returns to the area between the clouds. This offers a usage to essentially fade the turtle trader system. That system is loosely based on the playing of the breakouts of the the channel... as you can see the that last turtle trade long in YM1! was and is off the charts awesome. I will look for the fall out of the cloud to short the market.

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