The market then wants to trigger one of your pending orders but you may not have enough Forex free margin in your account. That pending order will either not be triggered or will be cancelled automatically. This can cause some traders to think that their broker failed to carry out their orders. Of course in this instance, this just isn't true. It's simply because the trader didn't have enough free margin in their trading account.
We also apply a concentrated margining requirement to Margin accounts. An account's two largest positions and their underlying derivatives will be re-valued using the worst case scenario within a +/- 30% scanning range. The remaining positions will be re-valued based upon a move of +/-5%. If the concentrated margining requirement exceeds that of the standard rules based margin required, then the newly calculated concentrated margin requirement will be applied to the account.
A Portfolio Margin account can provide lower margin requirements than a Margin account. However, for a portfolio with concentrated risk, the requirements under Portfolio Margin may be greater than those under Margin, as the true economic risk behind the portfolio may not be adequately accounted for under the static Reg T calculations used for Margin accounts. Customers can compare their current Reg T margin requirements for their portfolio with those current projected under Portfolio Margin rules by clicking the Try PM button from the Account Window in Trader Workstation (demo or customer account).
Trading on margin can be a profitable Forex strategy, but it is important to understand all the possible risks. You should make sure you know how your margin account operates, and be sure to read the margin agreement between you and your selected broker. If there is anything you are unclear about in your agreement, ask questions and make sure everything is clear.
What caught my attention at first glance, is its exaggerated price that doesn't reflect the profitability of the software in any way but gives it an important advantage as it won't be used by so many traders what will make its live market performance highly effective and successful if it was already well coded and configured, but for me, I won't risk a $2000 in a software without a clear refund policy. They say in the website that they provide 60-Day Money-Back Guarantee if the Robot doesn't WORK! which means that if the robot worked and was a loser, you don't have the right to request a refund, it finally worked on your platform regardless of its results.

Once an investor has started buying a stock on margin, the NYSE and FINRA require that a minimum amount of equity be maintained in the investor's margin account. These rules require investors to have at least 25% of the total market value of the securities they own in their margin account. This is called the maintenance margin. For market participants identified as pattern day traders, the maintenance margin requirement is a minimum of $25,000 (or 25% of the total market value of the securities, whichever is higher).


The next method, add_new_position, takes the parameters necessary to add a new position to the Portfolio. Notably, it takes the add_price and the remove_price. I have not used the bid and ask prices here directly because the addition and removal prices will depend upon whether the side is "long" or "short". Hence we need to correctly specify which price is which in order to obtain a realistic backtest:
Just like securities, commodities have required initial and maintenance margins. These are typically set by the individual exchanges as a percentage of the current value of a futures contract, based on the volatility and price of the contract. The initial margin requirement for a futures contract is the amount of money you must put up as collateral to open position on the contract. To be able to buy a futures contract, you must meet the initial margin requirement, which means that you must deposit or already have that amount of money in your account.
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Margin requirements for futures and futures options are established by each exchange through a calculation algorithm known as SPAN margining. SPAN (Standard Portfolio Analysis of Risk) evaluates overall portfolio risk by calculating the worst possible loss that a portfolio of derivative and physical instruments might reasonably incur over a specified time period (typically one trading day.) This is done by computing the gains and losses that the portfolio would incur under different market conditions. The most important part of the SPAN methodology is the SPAN risk array, a set of numeric values that indicate how a particular contract will gain or lose value under various conditions. Each condition is called a risk scenario. The numeric value for each risk scenario represents the gain or loss that that particular contract will experience for a particular combination of price (or underlying price) change, volatility change, and decrease in time to expiration.

In order for this Portfolio to function with the new means of generating signals and orders it is necessary to modify event.py. In particular I've added the SignalEvent component, which is now generated by the Strategy object, instead of an OrderEvent. It simply states whether to go long or short a particular "instrument", i.e. currency pair. order_type refers to whether the order is a market order or limit order. I've not yet implemented the latter, so this will remain as "market" for now:

The FxPro Margin Calculator works out exactly how much margin is required in order to guarantee a position that you would like to open. This helps you determine whether you should reduce the lot size you are trading, or adjust the leverage you are using, taking into account your account balance. Select your trading instrument, your trade size, leverage and account currency, and click ‘Calculate’. Our Margin Calculator will do the rest.
Forex margin is a good faith deposit that a trader puts up as collateral to initiate a trade. Essentially, it is the minimum amount that a trader needs in the trading account to open a new position. This is usually communicated as a percentage of the notional value (trade size) of the forex trade. The difference between the deposit and the full value of the trade is “borrowed” from the broker.
After writing the last entry, I realised that I really wanted a way to be able to backtest forex strategies in much the same manner as I had demonstrated previously with equities via the event-driven backtester. I wanted there to be as minimal a difference between the live trading environment and the backtesting system. Hence I decided that I needed to build a Portfolio component that would reflect (as much as possible) the current state of the trading account as given by OANDA.
In this post I will be reviewing the Odin Forex Robot that has been developed by the team over at Forex Robot Trader and runs in the free to download and extremely popular MetaTrader 4 (mt4) trading platform that is available by most forex brokers across the globe. The Odin Forex Robot is fully automated so it will do all of the trading for you, just keep in mind that it is a grid-based forex trading system so use sensible lot sizes and do not over leverage your account to avoid a margin call / stop out. For best results with the Odin Forex Robot, I would personally use a true ECN forex broker which can help lower trade costs and give good bid / ask prices with the amount of liquidity they have. As with any forex system, Odin Forex Robot will perform best with low spreads, low slippage and low commissions. Odin Forex Robot is suitable for any level of trader from beginners to the more advanced with easy to follow setup instructions provided by the developers.

Trading foreign exchange on margin carries a high level of risk, and may not be suitable for everyone. Before deciding to trade foreign exchange you should carefully consider your investment objectives, level of experience, and risk appetite. Remember, you could sustain a loss of some or all of your initial investment, which means that you should not invest money that you cannot afford to lose. If you have any doubts, it is advisable to seek advice from an independent financial advisor.


In this post I will be reviewing the Odin Forex Robot that has been developed by the team over at Forex Robot Trader and runs in the free to download and extremely popular MetaTrader 4 (mt4) trading platform that is available by most forex brokers across the globe. The Odin Forex Robot is fully automated so it will do all of the trading for you, just keep in mind that it is a grid-based forex trading system so use sensible lot sizes and do not over leverage your account to avoid a margin call / stop out. For best results with the Odin Forex Robot, I would personally use a true ECN forex broker which can help lower trade costs and give good bid / ask prices with the amount of liquidity they have. As with any forex system, Odin Forex Robot will perform best with low spreads, low slippage and low commissions. Odin Forex Robot is suitable for any level of trader from beginners to the more advanced with easy to follow setup instructions provided by the developers.
I've made use of the os library to retrieve two environment variables (ENVVARS). The first is the API access token and the second is the OANDA account ID. These can be stored in a suitable environment file that is loaded on boot-up of the system. In Ubuntu, you can use the hidden .bash_profile file in your home directory. For instance, using your favourite text editor (mine is Emacs), you can type:
At this stage the "risk management" is rather unsophisticated! In the method calc_risk_position_size below we are simply making sure that the exposure of each position does not exceed risk_per_trade% of the current account equity. risk_per_trade defaults to 2% with the keyword argument, although this can obviously be changed. Hence for an account of £ 100,000, the risk per trade will not exceed £ 2,000 per position.

(Note that the leverage shown in Trades 2 and 3 is available for Professional clients only. A Professional client is a client who possesses the experience, knowledge and expertise to make their own investment decisions and properly assess the risks that these incur. In order to be considered to be Professional client, the client must comply with MiFID ll 2014/65/EU Annex ll requirements.)
Whether you have assets in a securities account or in a futures account, your assets are protected by U.S. federal regulations governing how brokers must protect your property and funds. In the securities account, your assets are protected by SEC and SIPC rules. In the futures account, your assets are protected by CFTC rules requiring segregation of customer funds. You are also protected by our strong financial position and our conservative risk management philosophy. See our Strength & Security page.
Inflation Rates: Countries with inflation rates that are lower than other countries experience increased currency values. These increases mean that the purchasing power has also increased. The country that previously spent $1 million for 10,000 units of a foreign product is now able to purchase 18,000 units with the same $1 million, or $750,000 for the same 10,000 units. High inflation rates mean that there will likely be depreciation in the value of the currency.
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The currency exchange rate is the rate at which one currency can be exchanged for another. It is always quoted in pairs like the EUR/USD (the Euro and the US Dollar). Exchange rates fluctuate based on economic factors like inflation, industrial production and geopolitical events. These factors will influence whether you buy or sell a currency pair.

The first method, calculate_pips, determines the number of pips that have been generated by this position since it was opened (taking into account any new units added to the position). The second method, calculate_profit_base, calculates the current profit (or loss!) on this position. The third method, calculate_profit_perc, determines the percentage profit on this position. Finally, update_position_price updates the previous two values based on current market data.


The market values/prices used to compute the equity or margin requirement in an Interactive account may differ from the price disseminated by exchanges or other market data sources, and may represent Interactive's valuation of the product. Among other things, Interactive may calculate its own index values, Exchange Traded Fund values or derivatives values, and Interactive may value securities or futures or other investment products based on bid price, offer price, last sale price, midpoint or using some other method. Interactive may use a valuation methodology that is more conservative than the marketplace as a whole.

Forex robot developers have many reasons to publish their inventions for free; they may be promoting a premium version up-sell of the free one and we think that this is the case with Blessing 3 EA or may be willing to prove their professionalization dealing with Forex market to attract customers to subscribe in some other related paid service provided by the same developer or they might be just giving it away!
The next method, add_new_position, takes the parameters necessary to add a new position to the Portfolio. Notably, it takes the add_price and the remove_price. I have not used the bid and ask prices here directly because the addition and removal prices will depend upon whether the side is "long" or "short". Hence we need to correctly specify which price is which in order to obtain a realistic backtest:
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