Your destiny is in your hand, This EA design to control your RISK PER TRADE so even you using the martingale system you can control your drawdown. Every failure of your entry will partial hedge with this ea, so the floating loss will reduce and the drawdown can be controlled. You need Broker with this requirement spesification : - Hedging Account (dont use Netting Account) - Big leverage  - NO SWAP  - NO COMMISION - NO Hidden Cost - Margin Hedge = 0 - Low spread  - Low slippage

Forex Workstation   is a powerful and efficient Forex trading bot designed to use patterns, price hold levels, volatility analysis and market scaling. This bot offers unique capabilities for automated trading and optimization of strategies on various currency pairs. Let's look at the main functions and settings of Forex Workstation: Main functions: • Multicurrency: Forex Workstation supports a wide range of currency pairs, which allows you to diversify your portfolio and distribute risks. • Usin

Hello all The expert works by hanging pending deals moving with the price when activating a transaction It closes on the stop loss or on a profit from the pursuit of profit Work on low spread currency pairs Like dollar yen currency The work is done with the same settings as the expert, or it can be modified as the user likes Work on a timing of 15M or more as the user likes parameters: Transaction_Movement : Movement =true  . no Movement=false . Lot1: Manual Lot Size Auto_Lot: Set true to auto

Intelligent Detector is an expert advisor that works based on Artificial Intelligence algorithms for the EURUSD symbol. Its trading strategy is Swing trade, which identifies safe trades in order to prevents high-risk decisions and uncertain positions. It has been able to make the most stable profits over a long period of about 19 years (not every expert has this capability and they are only responsive in short and specific period), it has not overfitted. Caution: The number of licenses are lim

Bitcoin AI Robot – One-Way DCA Strategy with Smart Trailing Stop The Bitcoin market is always highly volatile – sometimes it rises quickly, and sometimes it experiences deep corrections. Instead of trying to guess the peaks and troughs, the Bitcoin AI Robot helps investors take advantage of price movements in a single, consistent, and controlled direction. What is a One-Way DCA Strategy? DCA (Dollar-Cost Averaging) is a method of breaking down capital and gradually buying as the market

A non-indicator trading expert that works after the end of the American trading session, 22 (CET). Ideal for working on accounts with low spreads with or without commission    https://www.mql5.com/en/signals/779500 Differences from EA Inquisitor Lite: - commission accounting, the algorithm is adapted to work on ECN, Raw-spread accounts with a spread close to zero; -  prohibition of entries in the direction of trend departure in Murrey reversal zones; - the option to work with virtual Stop-Loss

FXPRIMEOPERATOR MT4 MULTI-CURRENCY FOREX EA WITH SMART TRADE MANAGEMENT, 3 INPUTS AND SAFETY LOGIC FxPrimeOperator is a multi-currency Expert Advisor for MetaTrader 4, designed for automated trading in the Forex market. The EA uses a multi-timeframe logic and combines short-term entry signals with higher-timeframe market context. It considers trend direction, momentum, spread conditions, volatility and market quality before opening trades. The system is focused on Forex pairs and uses only 3

DIVO EA is a Multi-Currency , Flexible , Fully Automated and Multi-Faceted Tool for Identifying Vulnerabilities in the Market Only 7 Copies of 10 Left  for 590 $ Next Price 1475 $ Settings FAQ Optimization About Settings Real Monitoring How to install Not  Grid , Not  Martingale , Not   AI   , Not   Neural Network. Default Settings for One chart  GBPUSD M15   (Supports 1OHLC mode for weak PCs)  After Buying EA, be sure to Write to ME in Private Messages, I will add you to a Private Group , sen

ULTIMA AI – Multi-Pairs Portfolio Engine for MT4 ULTIMA AI is an advanced MetaTrader 4 Expert Advisor designed to manage a multi-symbol trading portfolio from a single chart, using an intelligent combination of basket logic , profit reserve management , smart stress handling , partial risk reduction , and a premium real-time dashboard . This is not a simple one-pair robot with fixed entry and exit rules. ULTIMA AI has been developed as a true portfolio engine , built to monitor several markets a

PLEASE READ DESCRIPTION BEFORE BUY OR RENT EA This EA is NOT the result of an optimization of historical data. In fact it is easy to achieve a “super” equity curve (as I call it “go to the space equity curve”) with parameters optimization and overfitting on historical data: it is always possible to find a set of parameters that over-optimize the historical data. But it is the PAST data. The point is to find a strategies that will   work in the future.   For these reasons my strategies have good

Free automatic Fibonacci is an indicator that automatically plots a Fibonacci retracement based on the number of bars you select on the BarsToScan setting in the indicator. The Fibonacci is automatically updated in real time as new highest and lowest values appears amongst the selected bars. You can select which level values to be displayed in the indicator settings. You can also select the color of the levels thus enabling the trader to be able to attach the indicator several times with differe

Euro Gift (EURUSD M15) I am celebrating my birthday, so i will publish some EAs for FREE. This EA has been developed for EURUSD M15.  Strategy is based on ICHIMOKU indicator and has very little parameters - so its VERY ROBUST. It uses Stop pending orders with   ATR   Stop Loss . At 9:00 pm we are closing trading every Friday to prevent from weekly gaps. !!!Adjust these times to your broker time. Preset values are for UTC+2 only!!! For every candle the pending orders are modified to adapt the mar

Welcome to the world of innovative trading solutions! We present to your attention our advanced trading advisor FTC Neuro , working on the basis of up-to-date macroeconomic statistics and modern neural network calculations. Analyzing the market situation with the help of complex algorithms, the adviser recognizes hidden patterns in economic information using advanced artificial intelligence algorithms. It offers you the most professional trading experience, offering unique points for entering a

Based on my original trading strategy, it appears that this EA is programmed to use technical analysis to identify an inside candle pattern in the current candle and wait for a breakout in either direction. If the price breaks out higher, the EA will place a buy order, and if it breaks out lower, the EA will place a sell order. The take profit and stop loss levels are set at 50 pips each. Additionally, using a martingale strategy, which involves increasing the lot size after a losing trade, ca

The basis of the strategy is the identification of quick corrective movements between the crosses of a working currency pair or metal. At the moment of differences in prices of trading instruments, the adviser analyzes the possible direction of price movement on a working instrument and starts work. Each position has a stop loss and take profit. A unique position tracking algorithm allows you to control the superiority of profit over loss. The adviser does not use dangerous trading methods.

Dear Friend..  I share with you this simple Expert Adviser .. it is full automatic  this Expert Adviser following the trend of the pair you install on or any stocks or indices , it is works like that: - when the trend on H4 chart show a start of up trend the expert will wait till the 15M & 1H charts show an up trend the EA will open a buy order directly , and do the same for down trend and open a sell order the buy or sell  order lot size and take profit and stop loss will measured manually  by

"Pisces Expert Advisor" Powered by FxGangster This EA Better work with GBPJPY and USD Pairs. this Expert Advisor has a Scalping, hedging and trend following  strategy when trade with wrong way, it will use hedging to fix it, and I have included too much indicator inside this EA, you can use all setting inside to set this EA, by the way you can look how many indicator and how to setting in my screenshots pictures. Live myfxbook : Pisces EA  ------------------- We provide Forex Analyst signals,

I will support only my client. สำหรับลูกค้า Gold M15 timeframe, Price Movement Trading , Fund Min 500$  Lot0.01 with 30 Seconds next open trade, XAUUSD and Major Currency pairs. Parameters General Trade Settings Money Management  Lot : Fixed (can change) Strategies  - Current timeframe Strategies it is fixed with MA, Bollinger band, Candlestick Levels Close Functions  - Current Strategies MagicNumber  - individual magic number. The EA will only manage position of the chart symbol with this mag

This is a fully FIFO compliant EA that performs money management as well as risk management. It is ideal for American residents who deal with FIFO limitations and low 1:50 leverage. The EA entry point is fully customizable and traders can conveniently modify the inputs to serve their own risk apatite. Here is the signal I created to track the progress of this EA live: https://www.mql5.com/en/signals/1491511 Since it uses martingale strategy, a gradual delay strategy is defined in the EA that clo

This is a fully automated scalping Expert Advisor that can be run successfully using EURUSD currency pair at H1 timeframe. This EA can't run in the same account. If you want an Expert Advisor that trades daily this is not because it requires patience to wait for a few days or weeks on the right opportunity for it to trade. It takes advantage of the volatility of the price movement.

Here is the translation of the text into English: ProfHedge: Your Reliable Partner for Forex Trading Introducing ProfHedge , a high-quality Expert Advisor (EA) for MetaTrader 4 (MT4), designed to optimize and simplify your Forex trading. Key Features: Hedging : ProfHedge employs an advanced hedging strategy to protect your portfolio from unfavorable market movements, thus reducing risk and increasing potential rewards. Multi-Currency : ProfHedge can operate with multiple currencies, giving you

eaMaster (Expert Advisor) Introduction 1. Overview This EA is a technical analysis-based automated trading system designed to help traders make automated trading decisions in the market. It follows the Bollinger Bands indicator combined with candlestick patterns, executing precise trades on specified timeframes. The EA is applicable to multiple financial instruments and supports both short-term and long-term trading strategies, catering to different risk preferences and trading approaches. 2

️ ORION 2P PROTOCOL: The Architecture of Inevitable Profit Stop chasing the market. Start dictating the rules. Conventional trading is a lost battle against chaos. ORION 2P PROTOCOL is not an indicator, and it is not advice: it is a Binary Logic Algorithmic Protocol engineered for a single mission: the systematic extraction of value. While others attempt to guess the direction, we have constructed a mathematical cage. The Anatomy of Perfection: The Dual Layer The heart of the system beats t

ℙℂ  The settings of the EA Time - GENERAL SETTING; Terminal Comment Magic Slippage TIME - TickSETTINGS TickFilter TickSAMPLES TIME - Time settings Trade Request seconds Order modify seconds Start hour  End hour Order Expiry ACCOUNT MM Risk MM % Agrresive Adaptive History Both Direction together Max Trades Spread SETTINGS MAX Limit MIN Limit TRADE SETTINGS Signal size Order Distance Max Distance Stoploss Trailing start Max Trailing Trailing target

GOLD PMG EA - MQL5 Product Description GOLD PMG EA A modern MetaTrader 4 Expert Advisor built mainly for Gold trading, with structured pending-order entries, progressive position management, daily protection tools, and a clean on-chart dashboard. Verified Live Results Track the real-time performance of this Expert Advisor on a verified MQL5 signal account.  Click Here to View Live Trading Results Recommendation: Symbol: Gold / XAUUSD TimeFrame: M5   Capital: $500 ($300 or less will work but agg

Ego Guard is an advanced Expert Advisor designed to safeguard account equity by implementing robust risk management measures. This EA closely monitors account activity and intervenes when necessary to prevent excessive risk exposure. Specifically, Ego Guard automatically disables any other Expert Advisors that attempt to open trades exceeding the predefined risk threshold. By effectively managing trade volume and ensuring adherence to risk management principles, Ego Guard provides traders with p

Diversify the risk in your trading account by combining our Expert Advisors. Build your own custom trading system here:   Simple Forex Trading Strategies The expert advisor opens trades when RSI indicator enter in oversold or overbought areas. The Stop Loss, Take Profit, and Trailing Stop are calculated based on the ATR indicator. The recommended currency pair is EURGBP and the recommended timeframe to operate and to do backtests is H4. This Expert Advisor can be profitable in any TimeFrame an

Magic EA is an Expert Advisor based on Scalping, Elliot Waves and with filters such as RSI, Stochastic and 3 other strategies managed and decided with the robot smartly. Large number of inputs and settings are tested and optimized and embedded in the program thus inputs are limited and very simple. Using EA doesn't need any professional information or Forex Trading Knowledge. EA can trade on all symbols and all time frames, using special and unique strategies developed by the author. The EA wo

Golden Scalper PRO: Our Technology by Your Side! Manual and configuration files: Contact me after purchase to receive the manual and configuration files. Price: The price increases according to the number of licenses sold. Available copies: 3 Trading gold, one of the most volatile assets in the financial market, requires high precision, thorough analysis, and extremely effective risk management. Golden Scalper PRO was developed precisely to integrate these pillars into a robust and sophisticate

PROP FIRM READY! ( download  SETFILE ) LAUNCH PROMO: Only a few copies left at current price! Final price: 990$ Get 1 EA for free (for 3 trade accounts) -> contact me after purchase Ultimate Combo Deal   ->   click here JOIN PUBLIC GROUP:   Click here Live Signal LATEST MANUAL Welcome to the Gold Reaper! Build on the very succesfull Goldtrade Pro, this EA has been designed to run on multiple timeframes at the same time, and has the option to set the trade frequency from very conservative to e

Scalping Robot Pro is a  professional trading system  designed specifically for fast and precise scalping on XAUUSD using the M1 timeframe. The system is built to capture short term market movements with accurate execution and controlled risk management. It focuses on real time price behavior, momentum shifts, short term volatility, and selective grid based trade management techniques to identify high probability  trading opportunities  in the gold market. Scalping Robot Pro is optimized for tra

Exorcist Bot   is a multi-currency, multi-functional advisor that works on any time frame and in any market conditions. - The robot’s operation is based on an averaging system with a non-geometric progression of constructing a trading grid. - Built-in protection systems: special filters, spread control, internal trading time limitation. - Construction of a trading network taking into account important internal levels. - Ability to customize the aggressiveness of trading. - Working with pending

We proudly present our cutting-edge robot, the  Big Forex Players EA  designed to maximize your trading potential, minimize emotional trading, and make smarter decisions powered by cutting-edge technology. The whole system in this EA took us many months to build, and then we spent a lot of time testing it. This unique EA includes three distinct strategies that can be used independently or in together. The robot receives the positions of the  biggest Banks  (positions are sent from our database t

The XG Gold Robot MT4 is specially designed for Gold. We decided to include this EA in our offering after   extensive testing . XG Gold Robot and works perfectly with the   XAUUSD, GOLD, XAUEUR   pairs. XG Gold Robot has been created for all traders who like to   Trade in Gold   and includes additional a function that displays   weekly Gold levels   with the minimum and maximum displayed in the panel as well as on the chart, which will help you in manual trading. It’s a strategy based on  Price

Wall Street Robot is a   professional trading system   developed exclusively for US stock indices, focused on S&P500 and Dow Jones. These markets are known for their high liquidity, structured movements and strong reaction to global economic flows, making them ideal for algorithmic trading strategies based on precision and discipline. By concentrating only on these indices, the system is able to adapt closely to their behavior, volatility patterns and intraday dynamics, instead of trying to oper

Aura Neuron is a distinctive Expert Advisor that continues the Aura series of trading systems. By leveraging advanced Neural Networks and cutting-edge classic trading strategies, Aura Neuron offers an innovative approach with excellent potential performance. Fully automated, this Expert Advisor is designed to trade currency pair XAUUSD (GOLD). It has demonstrated consistent stability across these pairs from 1999 to 2023. The system avoids dangerous money management techniques, such as martingale

Gyroscope        professional forex expert   (for EURUSD, GBPUSD, USDJPY, AUDUSD, USDCHF, EURGBP, EURJPY, NZDUSD, USDCAD, EURCHF, AUDJPY, CADJPY pairs)   alyzing the market using the Elliot Wave Index. Elliott wave theory is the interpretation of processes in financial markets through a system of visual models (waves) on price charts. The author of the theory, Ralph Elliott, identified eight variants of alternating waves (of which five are in the trend and three are against the trend). The mov

XIRO Robot is a   professional trading system   created to operate on two of the most popular and liquid instruments on the market:  GBPUSD,  XAUUSD and BTCUSD . We combined two proven and well tested systems, enhanced them with multiple new improvements, optimizations and additional protective mechanisms, and integrated everything into one advanced and unified solution. As a result of this development process, XIRO Robot was created. Robot was designed for traders who are looking for a reliable

DAX Robot is an advanced automated trading system developed specifically for the   DAX 40 Index   on the H1 timeframe. Designed to handle the fast paced nature of one of Europe's   most actively traded indices , the robot continuously analyzes market conditions and automatically executes trades based on its built in trading logic. The system focuses on identifying high probability   trading opportunities   by combining trend analysis, market momentum, and volatility based conditions. DAX Robot

Real monitoring :   XAUUSD M30 SL3 For more information, please contact us via private message or in  the mql5 group. THERE   ARE   ONLY  8   OUT   OF   10   COPIES   LEFT   AT   A   PRICE   OF   920   USD ! AFTER   THAT , THE   PRICE   WILL   BE   INCREASED   TO  1420   USD . Imagine that you have an experienced trader who monitors the market every day, waits for the price to break through an important level, and instantly opens a deal. That's exactly what this advisor does. He does not guess

Price Action Robot is a   professional trading system   built entirely on real market behavior without indicators, grid strategies, or martingale systems. It analyzes   pure price action , focusing on structure, trend dynamics, and key market movements to identify high probability trading opportunities. The system is designed to read the market the same way experienced traders do, using logic based on real price movement rather than lagging indicators. It reacts dynamically to changing market co

RiskShield Dragon   — Automated Multi-Currency Advisor Combining intelligent algorithms, robust protection mechanisms, and flexible configuration, **RiskShield Dragon** delivers consistent profits with minimal risk. --- ## Key Advantages * **Multi-Currency & Multi-Threaded**: Supports over 20 currency pairs (EURUSD, GBPUSD, USDJPY, AUDUSD, NZDJPY, and more) simultaneously on any timeframe. * **Minimum Deposit from 10,000**: Optimized for trading with a starting balance of 10,000 account uni

AI Sniper is a smart, adaptive trading robot developed specifically for MT4 terminals. AI Sniper for MT4 was created for traders who want more than a simple Forex bot. It is a precision-built Expert Advisor designed to analyze the market, detect strong trading opportunities, and execute trades with logic, discipline, and speed. Powered by advanced algorithmic logic and refined trading methodologies, AI Sniper helps traders turn raw market movement into structured trading decisions. The system c

Signal (GOLD/XAUSD) - 16 months active and over 6,800 trades on a Standard account (1:400 leverage):   https://www.mql5.com/pt/signals/2278431 Product for MetaTrader 4:   https://www.mql5.com/pt/market/product/159627 Product for MetaTrader 5:   https://www.mql5.com/pt/market/product/160313 The Apache MHL Moving Average Expert Advisor, or simply "Apache MHL," is a robot that operates on the GOLD/XAUSD asset using strategies based on moving averages and risk management with Martingale. The use

Forex Engine EA is a professional MetaTrader 4 trading robot built around a structured reversal and mean-reversion methodology. It analyzes swing highs and lows, support and resistance zones, market overextension, and overbought or oversold conditions to identify areas where a price correction or reversal may occur. When price approaches a key resistance zone, the EA evaluates the possibility of selling pressure before considering a sell entry. When price reaches a strong support area, it looks

For the expert to work correctly, do not forget to upload the files to the directory of the agreement (... AppData \ Roaming \ MetaQuotes \ Terminal \ Common \ Files) STP is an automated trading adviser based on neurotechnology, working on an hourly timeframe. The Expert Advisor is configured for trading according to the safe trading strategy from levels, involving the opening of short-term deals and closing them when positive profitability dynamics of several points are achieved, which allows

Gold HFT Scalper Pro MT4 A high-frequency tick scalper engineered exclusively for GOLD (XAUUSD). Places BUY_STOP and SELL_STOP pending orders just above and below the live market, automatically re-centres them on every tick, and exits with a dynamic trailing stop — all with built-in daily loss protection and real-margin validation before every order. XAUUSD Only -  No Martingale -  No Grid -  Low Drawdown -  Fully Automated -  M1 Timeframe Symbol XAUUSD Timeframe (period) M1 Minimum deposit 500

This EA is a grid-based trading system. It incorporates several advanced features to manage trades dynamically and adapt to market conditions. Here's a summary of its functionality: I am happy to provide my settings file. Recomendation would be to run on a 20 000 cent account. Key Features: 1. Grid Trading Strategy:    - The EA uses a grid-based approach to open buy and sell trades at predefined price intervals.    - It dynamically adjusts the grid levels based on market conditions and risk se

PMT MQL5 Gold Hello, traders! We are a team of professional traders and developers. We are pleased to welcome you and present our best algorithm, built into PMT MQL5 Gold. This solution was created with attention to every detail, and we believe it deserves your attention. Professional Expert Advisor for Gold Trading   PMT MQL5 Gold is an automated Expert Advisor created specifically for XAU/USD / Gold on the H1 timeframe. It is not a universal robot for dozens of symbols, but a focused syst

Short Description: Advanced, stable multi-order EA featuring dual-mode Trailing/Breakeven, hidden levels, and steady 80% Win Rate. Engineered for robust capital growth with tight ~10% Drawdown. Non-overoptimized. Long Description : AccountUP Algo is a premium, fully automated Expert Advisor engineered for stable, long-term equity growth without exposing your account to extreme market risks. Designed with a deep focus on capital preservation, this EA delivers a smooth, almost linear equity curv

Advisor (Fortune): Your Reliable Tool for High-Frequency Forex Trading The Fortune advisor is designed to be used on any timeframe, any currency pair, and on any broker's server. Its unique trading system makes it a versatile tool for traders. For optimal performance, it is recommended to trade liquid forex pairs, maintain a low spread, and use a VPS. You can start with a $100 deposit and a lot size of 0.01. Key Features and Benefits High-Frequency Trading : Utilizes two trading options: with v

[ EA] ENTERPRISE LT is a MetaTrader (MT4) Expert Advisor designed for use with most currency pairs and Gold. It implements complete, fully functional trading strategy. It is NOT based on any indicators or Price Action. It is very easy to set up and supervise. The strategy is timeframe-independent. [EA] ENTERPRISE LT has a set of unique features: It can be individually adjusted, according to your strategy. It has complete money management and risk management. Advanced functions to respond to diff

This EA requires a broker having Market Execution (ECN, NDD, STP accounts), low spread, zero StopLevel (or close to such level), no commission if possible (as it influences on the profit amount). Order executin time should be measured in milliseconds, not minutes, requotes and slippage should not happen too often. Deposit: Minimum deposit is $50 (MinLot = 0.01) or $500 (MinLot = 0.1) Recommended currency pairs: EURUSD, GBPUSD, AUDUSD, NZDUSD, USDJPY, USDCHF, USDCAD No Martingale / No grid / No a

Benefit EA is a non-indicative flexible grid adviser with special entry points that provide a statistical advantage, revealed through the mathematical modeling of market patterns. The EA does not use stop loss. All trades are closed by take profit or trailing stop. It is possible to plan the lot increments. The "Time Filter" function is set according to the internal time of the terminal as per the displayed time of the instrument's server, not the operating system (can match). This function allo

New Year 1-Month Promotion: Currently priced at $68 USD, promotion ends May 30, 2026. After the promotion, the price will revert to $500 USD per month. Gold Sniper EA (Expert Advisor) In real trading, losses are not terrible; what's terrible is the lack of order, goals, and discipline after losses. The Recovery Profit Manager was created to solve this core problem. ⸻ Core Product Philosophy This EA does not pursue frequent trading; it dynamically monitors and automatically opens posi

The Meat EA is a fully automatic, 24-hour trading system. It trades based on analysis of market movement on the basis of a built-in indicator and the Moving Average trend indicator. The system is optimized for working with the EURUSD currency pair on the M30 timeframe. It is recommended to use an ECN/STP broker with low spread, low commission and fast execution. Signal monitoring Working currency pair/timeframe: EURUSD M30. Advantages never trades against the market; the higher the risk, the hi

Deposit :   from 100 deposit units Trading pairs: I recommend currency pairs: EURAUD, CHFJPY, EURCHF, EURGBP, AUDCHF, CADCHF, USDCHF. Trading period :  Any Account: You should use ECN-ECN.Pro accounts with five-digit quotes with a moderate size (spread). Parameters: USING - Choice, trading risk or fixed lot RISK/LOT - Lot Risk Value RESTORING_THE_BALANCE - Restoring balance* HOW_THE_RESET_WINDOW - Reset the Global Variable TAKE_PROFIT - Set profit STOP_LOSS - Set loss COUNT_BUY - The number of s

PointerX is based on its own oscillator and built-in indicators (Pulser, MAi, Matsi, TCD, Ti, Pi) and operates independently. With PointerX you can create your own strategies . Theoretically all indicator based strategies are possible, but not martingale, arbitrage, grid, neural networks or news. PointerX includes 2 Indicator Sets All Indicator controls Adjustable Oscillator Take Profit controls Stop Loss controls Trades controls Margin controls Timer controls and some other useful operations. T

MILCH COW HEDGE V1.12 EA is primarily a Hedging Strategy. Expert support is to seize every opportunity in any direction. Not just opens the deals, but chooses the right time to close the open positions to begin trading again. We recommend the use of an expert with a pair of high volatility for the currency, such as GBPAUD, AUDCAD Testing expert during the period from 01.01.2016 until 09.12.2016 profit doubled four times to account Experts interface allows the user to directly trading open order