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Como escrever um Expert Advisor ou um indicador

Biblioteca de códigos fonte MQL4 para MetaTrader MQL4 - 14

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A maior biblioteca gratuita de Expert Advisors (EAs), indicadores técnicos e scripts em código-fonte. Os aplicativos apresentados permitem que você negocie em modo automático e analise mais detalhadamente a dinâmica das cotações. Utilizando a biblioteca de códigos, você saberá mais sobre a dinâmica e o comportamento dos mercados financeiros.

Estes aplicativos podem ser livremente baixados, testados e executados no MetaTrader 4. O acesso a eles também pode ser obtido da plataforma MetaTrader 4 e do ambiente de desenvolvimento MetaEditor.

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This Expert Advisor is a pure scalping system.

This Expert Advisor is a pure hedging system. The expert place and manage two market opposite orders. Runs perfectly on pairs with tight spread and low commission broker (commission plus spread equal or less than 0.5 pip). The code is available for testing and studying. For more information please visit the product's page: https://www.mql5.com/en/market/product/33295

Used to compare 2 currencies on one chart, the Original indicator will recenter its calculation on every bar, and hence the price will keep shifting up and down and so the historical relative values do not remain constant. This indicator was modified so that the 'center' or initial relative reference point stays fixed and does not update each bar. It will only reinitialize when the indicator is reloaded or settings are changed.

Currency Index that calculates evenly on all 7 major pairs. Can also change base currency. Based on No Nonsense Forex podcast.

Let say you have an EA and you want it to trade in between an interval of time but you do not have the source codes to modify the EA. This utility allows you to automatically enable or disable the automated trading button. You can use the codes as an EA, Indicator or script but I used as an EA. You can remove Ordersend command because I set it only for the codes to past the test but it is meaningless.

EA with candle size filter and scale on loss

Arrow trends by iBearsPower and iBullsPower indicator for MT4.

A Price Time correlation model is used for Trend and Reversal trading

Indicator Bears and Bulls Power for MT4 together in one separate window.

TraderTool is a tool/panel that will help any trader to perform trades quickly and easily. The product has been developed with user-friendliness and ease of use in mind. It has the ability to manage multiple types of orders, either placed by an Expert Advisor or manually. It also allows you to place orders in a single click. For more informations, you can visit the product's page: https://www.mql5.com/en/market/product/9509

Volatility ratio

Virtual Robot

Three Moving Averages Convergence/Divergence - Indicator for MT4

The code consists of lines created according to the opening, closing, low and high values of prices.

"Wedge pattern" naked trading price action EA draws 2 mini Trend Lines with "Fractals" on chart and trades with Wedge pattern strategy,has Trailing Stop Loss &Take Profit works with all time frames major forex pairs and stocks NASDAQ.

"Head and Shoulders" naked trading price action EA draws 2 mini Trend Lines with "Fractals" on chart and trades with "Head and Shoulders" strategy,has Trailing Stop Loss &Take Profit works with all time frames major forex pairs and stocks NASDAQ.

Divides whole levels into Halfs and Quarters.

Trend indicator

This EA doesn't need any indicator, just moving price action is necessary to operate.

Expert adviser that use a custom modified Awesome Oscillator indicator

Shows what % the current ATR is relative to it's historical value.

"Triple top and triple bottom" naked trading price action EA draws 2 mini Trend Lines with "Fractals" on chart and trades with Triple top and triple bottom strategy,has Trailing Stop Loss &Take Profit works with all time frames major forex pairs and stocks NASDAQ.

"Broadening top" naked trading price action EA draws 2 mini Trend Lines with "Fractals" on chart and trades with Broadening top strategy, has Trailing Stop Loss &Take Profit works with all time frames major forex pairs and stocks NASDAQ.

"Reversals With Pin Bars" naked trading price action EA draws 2 mini Trend Lines with "Fractals" on chart and trades with the Reversals of Pin Bars,has Trailing Stop Loss &Take Profit works with all time frames major forex pairs and stocks NASDAQ.

Improved version inspired by RSI_candles by © mladen 2018 https://www.mql5.com/en/code/20968

Trending Indicator MACD with coloured Histogram to detect trend and retracements in that trend.

The script exports summary of closed trades grouped by each trading day to .csv file

All ingenious is simple!

Support and Resistance lines are used with the Standard Deviation indicator for generating trade signals.

"Cryptocurrency Divergence" EA draws 2 mini Trend Lines with "Fractals" on chart and trades with Divergence\Convergence of RSI & MACD indicators ,has Trailing Stop Loss &Take Profit works with all time frames major forex pairs, Crypto and stocks NASDAQ.

Advisor for a currency pair Gbp/Ghf. Algorithm - by opening the bar. Timeframe - H1.

"Crypto Scalper" EA uses MFI indicator as Overbought and oversold indicators ,has Trailing Stop Loss &Take Profit works with all time frame major forex pairs,Crypto and stocks NASDAQ.

The script downloads the historical quotes data of a single timeframe for all symbols in the market watch.

"Crypto Analysis" EA uses 2 different time frames BB&RSI as Overbought and oversold indicators ,has Trailing Stop Loss &Take Profit works with all time frame major forex pairs,Crypto and stocks NASDAQ.

"Crypto S&R" EA uses 2 different time frames and fractals as support & resistance ,has Trailing Stop Loss &Take Profit works with all time frame major forex pairs,Crypto and stocks NASDAQ.Short description.

Adaptive Moving Average - AMA

Handy functions for comparison, rounding, formatting and debugging of doubles (prices, lots and money).

This is useful if you want to earn and work on 5 min chart . it uses bb , ma 10, ma50 , Psar, slow s, one faster s and macd along with rsi to give a perfect view of market . if you need some help let me know in my email. rinkanrohitjena@live.com only works in mq4 language . just drag and drop on a five min chart

EA based on parameters of the BOOK of John Bollinger with Lot size calculator and position overlaping.

The script exports summary of closed trades grouped by each currency pair to .csv file

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