MondayGapSniper
Expert Advisors
MetaTrader 4
Sales from
8/16/2026
Last Updated At
8/9/2026
Version
1.03
My Profile
Geminorum- Whole period
- 2 years
- 1 year
- 6 months
- 3 months
- 1 month
Profit
:
4,392JPYProfit Factor
:
23.33Rate of return risk
?
:
0.64Average Profit
:
2,520JPYAverage Loss
:
-216JPYBalance
?
:
1,004,392JPYRate of return (all periods) ?
:
1.81%Win Rate
:
66.67%
(2/3)
Maximum Position
?
:
1Maximum Drawdown
?
:
2.81%
(6,840JPY)
Maximum Profit
:
2,520JPYMaximum Loss
:
-216JPYRecommended Margin
?
:
243,078JPYUnrealized P/L
:
0JPYDeposit
?
:
1,000,000JPYCurrency
:
JPY- Account
Operable Brokers
Usable with MT4-adopting brokers.
Forward testing (Profit)
Product Statistics
Product Comments
Monthly Statistics
2026
2025
2024
2023
2022
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Calendar for Months
About EA's Strategy
Translating...
Currency Pairs
[USD/JPY]
Trading Style
[Scalping]
Maximum Number Position
1
Maximum Lot
5
Chart Time Frame
M15
Maximum Stop Loss
55
Take Profit
0
Straddle Trading
No
Application Type
Metatrader Auto Trading
Other File Usages
No
【USDJPY 15-Minute Chart Exclusive】MondayGapSniper
This EA has a high statistical edge in FX markets“Monday Morning Gap Fill (Gap Approach)”is a classic scalping EA specialized for it.
In addition to rigorous error handling that meets sales criteria, it thoroughly pursues a safety design to protect users’ funds.
■ Main Features and Safety Functions
- Strict Risk Limitation:Equips a highly precise compound interest function that automatically limits the maximum loss per trade to a specified percentage of account balance (default 2%).
- Breakeven (BE) Function:When a certain unrealized profit is reached, automatically raises the stop loss to the entry price. Achieves a zero-loss retreat.
- Timeout Auto-Closure:At the specified time on Monday morning, any unsettled positions are force-closed at market. Prevents being carried into protracted market reversals.
- Full ECN Account Support:Auto-detects broker specifications and adds SL/TP post-entry for safety. Thoroughly avoids error 130 (stop level violation).
■ External Parameter Descriptions
This EA allows adjustment of the following items to match customer funds and broker environments.
| Parameter Name | Role / Setting |
|---|---|
| MagicNumber | Identifier for the EA (default: 6210262). Set a value that does not collide with other EAs. |
| UseMM | On/Off for compound interest feature (true: compounding, false: fixed lot operation). |
| RiskPercent | When UseMM=true, the portion of account balance allowed to lose per trade (default: 2.0%). |
| Lots | Fixed lot size to use when UseMM=false (default: 0.1). |
| MaxLotSize | Maximum lot size when using compounding (default: 5.0). Keeps risk in check even with rapid capital increases. |
| MaxSpreadPips | Maximum acceptable spread (default: 3.0). If your account tends to have wide spreads on Monday early morning, increasing this value can help avoid entries. |
| SlippagePips | Acceptable slippage (in pips / default: 3). |
| StopLossPips | Stop loss at entry (in pips / default: 55.0). |
| TimeoutHour | MT4 server time to perform timed-out forced closure (default: 10). |
■ Important: About TimeoutHour (Timeout Time)
This EA includes an internal “timeout settlement” function that automatically force-closes positions held on Monday morning. By default, settled at 17:00 Japan Time (winter) or 16:00 (summer).
Note: Depending on the broker’s server time (GMT), the settlement timing in Japanese time may differ. If you want to standardize settlement timing to the same time window, adjust using the settings below as reference.
【Broker Server Time vs. Japanese Time Correspondence】
- ① Common server with “Winter GMT+2 / Summer GMT+3” (many domestic and overseas brokers)
Leave the initial value as “10” and it will auto-set at 17:00 (winter) or 16:00 (summer) Japanese time. - ② Server with “GMT+0 (London / Universal Time)”
To set to 17:00 Japanese time, set to “8”, and to 16:00 Japanese time, set to “7.” - ③ Servers using “Japan Time (GMT+9)” (some domestic brokers)
To set to 17:00 Japanese time, set to “17”, and to 16:00 Japanese time, set to “16.”
※ This EA determines and closes time accurately based on each broker’s MT4 quote display time (server time), and operates safely without time lag on any broker.
■ Basic Formula for Compound Interest Lot Calculation
To prevent account ruin during drawdowns, this EA automatically calculates the optimal lot size per trade in 1-Tick increments using the following formula.
CalculatedLot = (AccountBalance × RiskTolerance%) ÷ (StopLossWidthPoints × TickValue)
【Details of Each Item and Tick Value Explanation】
- Account Balance:Current cash balance in the account. If profits grow, the lot size automatically grows as well.
- Risk Tolerance:The portion of loss per trade specified by the parameter RiskPercent (default: 2.0%).
- Stop Loss Width:The configured stop loss (55.0 pips) converted to the MT4 minimum unit, points (550 Points).
- What is Tick Value (TICKVALUE)?:
“If you hold 1 lot (100,000 currency units) and the price moves by the MT4 minimum unit (1 point), how much profit/loss in account currency (yen) would change?”This is a broker-specific calculation standard.
For example, on a typical yen-denominated account trading USDJPY, the value of 1 point (0.001 yen) movement per 1 lot is“100 yen”.
By having the EA automatically obtain this value, you can precisely determine the maximum risk (lot size) in milliseconds, regardless of broker-specific nuances or cross-yen environments.
■ Compound Interest Operation Practical Example
With initial funds of 1,000,000 yen, risk tolerance 2.0%, stop loss 55.0 pips (550 Points):
| Calculation Step | Result |
|---|---|
| Allowed loss per trade | 20,000 yen |
| SL loss per 1 lot (550 Points × TickValue 100 yen) | 55,000 yen |
| Calculated lot size (20,000 ÷ 55,000 safely rounded down) | 0.36 lot |
■ Product Specifications
| Supported Currency Pairs | USDJPY (Dollar/Yen) only |
| Supported Timeframes | Exclusive to 15-minute chart (M15) |
| Take Profit | End-of-Friday price (the price where the gap is fully filled) |
| Stop Loss | 55.0 pips (default; adjustable) |
Sales from
:
08/16/2026 23:05
Purchased
:
0
times
Price: $156.65 (taxed)
￥25,000(taxed)
Provider/Distributor:
Sales site:
GogoJungle
●Payment
Forward Test
Back Test
Sales from : 08/16/2026 23:05
Purchased
:
0
times
Price: $156.65 (taxed)
￥25,000(taxed)
Provider/Distributor:
Sales site:
GogoJungle
●Payment
About Forex Automated Trading
What is Forex Automated Trading (MT4 EA)?
Forex Automated Trading refers to trading that is automated through programming, incorporating predetermined trading and settlement rules. There are various methods to conduct automated trading, but at GogoJungle, we deal with Experts Advisors (hereinafter referred to as EA) that operate on a trading platform called MT4.
Trading Types of Forex Automated Trading
There are various types of EAs (Expert Advisors) for different trading types that can be used on MT4.
Just like discretionary trading, there are those that decide trading and settlement timings by combining indicators, those that repeatedly buy or sell at certain price (pips) intervals, and trading methods that utilize market anomalies or temporal features. The variety is as rich as the methods in discretionary trading.
To categorize simply,
・Scalping (Type where trades are completed within a few minutes to a few hours),
・Day Trading (Type where trades are completed within several hours to about a day),
・Swing Trading (Type where trades are conducted over a relatively long period of about 1 day to 1 week)
・Grid/Martingale Trading (Holding multiple positions at equal or unequal intervals and settling all once a profit is made. Those that gradually increase the lot number are called Martingale.)
・Anomaly EA (Mid-price trading, early morning scalping)
Just like discretionary trading, there are those that decide trading and settlement timings by combining indicators, those that repeatedly buy or sell at certain price (pips) intervals, and trading methods that utilize market anomalies or temporal features. The variety is as rich as the methods in discretionary trading.
To categorize simply,
・Scalping (Type where trades are completed within a few minutes to a few hours),
・Day Trading (Type where trades are completed within several hours to about a day),
・Swing Trading (Type where trades are conducted over a relatively long period of about 1 day to 1 week)
・Grid/Martingale Trading (Holding multiple positions at equal or unequal intervals and settling all once a profit is made. Those that gradually increase the lot number are called Martingale.)
・Anomaly EA (Mid-price trading, early morning scalping)
Risks, Advantages, and Disadvantages of Forex Automated Trading
When engaging in Forex, there are risks in automated trading just as there are in discretionary trading.
However, a substantial advantage of automated trading is its ability to limit and predict risks beforehand.
[Risk]
Inherent to forex trading are the trading risks that undeniably exist in automated trading as well.
・Lot Size Risk
Increasing the lot size forcibly due to a high winning rate can, in rare instances, depending on the EA, lead to substantial Pips loss when a loss occurs. It is crucial to verify the SL Pips and the number of positions held before operating with an appropriate lot.
・Rapid Market Fluctuation Risk
There are instances where market prices fluctuate rapidly due to index announcements or unforeseen news. System trading does not account for such unpredictable market movements, rendering it incapable of making decisions on whether to settle in advance or abstain from trading. As a countermeasure, utilizing tools that halt the EA based on indicator announcements or the VIX (fear index) is also possible.
[Benefits]
・Operates 24 hours a day
If there is an opportunity, system trading will execute trades on your behalf consistently. It proves to be an extremely convenient tool for those unable to allocate time to trading.
・Trades dispassionately without being swayed by emotions
There is an absence of self-serving rule modifications, a common human tendency, such as increasing the lot size after consecutive losses in discretionary trading or, conversely, hastily securing profits with minimal gains.
・Accessible for beginners
To engage in Forex trading, there is no prerequisite to study; anyone using system trading will achieve the same results.
[Disadvantages]
・Cannot increase trading frequency at will
Since system trading operates based on pre-programmed conditions, depending on the type of EA, it might only execute trades a few times a month.
・Suitability may vary with market conditions
Depending on the trading type of the EA, there are periods more suited to trend trading and periods more suited to contrarian trading, making consistent results across all periods unlikely. While the previous year might have yielded good results, this year's performance might not be as promising, necessitating some level of discretion in determining whether it is an opportune time to operate.
However, a substantial advantage of automated trading is its ability to limit and predict risks beforehand.
[Risk]
Inherent to forex trading are the trading risks that undeniably exist in automated trading as well.
・Lot Size Risk
Increasing the lot size forcibly due to a high winning rate can, in rare instances, depending on the EA, lead to substantial Pips loss when a loss occurs. It is crucial to verify the SL Pips and the number of positions held before operating with an appropriate lot.
・Rapid Market Fluctuation Risk
There are instances where market prices fluctuate rapidly due to index announcements or unforeseen news. System trading does not account for such unpredictable market movements, rendering it incapable of making decisions on whether to settle in advance or abstain from trading. As a countermeasure, utilizing tools that halt the EA based on indicator announcements or the VIX (fear index) is also possible.
[Benefits]
・Operates 24 hours a day
If there is an opportunity, system trading will execute trades on your behalf consistently. It proves to be an extremely convenient tool for those unable to allocate time to trading.
・Trades dispassionately without being swayed by emotions
There is an absence of self-serving rule modifications, a common human tendency, such as increasing the lot size after consecutive losses in discretionary trading or, conversely, hastily securing profits with minimal gains.
・Accessible for beginners
To engage in Forex trading, there is no prerequisite to study; anyone using system trading will achieve the same results.
[Disadvantages]
・Cannot increase trading frequency at will
Since system trading operates based on pre-programmed conditions, depending on the type of EA, it might only execute trades a few times a month.
・Suitability may vary with market conditions
Depending on the trading type of the EA, there are periods more suited to trend trading and periods more suited to contrarian trading, making consistent results across all periods unlikely. While the previous year might have yielded good results, this year's performance might not be as promising, necessitating some level of discretion in determining whether it is an opportune time to operate.
Equipment and Environment Needed for Automated Trading Operation
The requirements for operating automated trading (EA) on MT4 are as follows:
・MT4 (MetaTrader 4. An account needs to be opened with a Forex company that offers MT4.)
・EA (A program for automated trading)
・The operating deposit required to run the EA
・A PC that can run 24 hours or a VPS (Virtual Private Server), where a virtual PC is hosted on a cloud server to run MT4.
・MT4 (MetaTrader 4. An account needs to be opened with a Forex company that offers MT4.)
・EA (A program for automated trading)
・The operating deposit required to run the EA
・A PC that can run 24 hours or a VPS (Virtual Private Server), where a virtual PC is hosted on a cloud server to run MT4.
Installation of MT4 and Account Login
If you open an account with a forex broker that supports MT4, you can use MT4 as provided by that forex broker. MT4 is a stand-alone type of software that needs to be installed on your computer, so you download the program file from the website of the FX company where you opened the account and install it on your computer.
Additionally, there are both demo and real accounts available. You can experience trading with virtual money by applying for a demo account. After opening a real account, you select the connection server assigned by the Forex broker, enter the password, and log in to the account.
When you deposit money into your account using the method specified by the forex broker, the funds will be reflected in your MT4 account, and you can trade.
Additionally, there are both demo and real accounts available. You can experience trading with virtual money by applying for a demo account. After opening a real account, you select the connection server assigned by the Forex broker, enter the password, and log in to the account.
When you deposit money into your account using the method specified by the forex broker, the funds will be reflected in your MT4 account, and you can trade.
How to Install EA on MT4
To set up an EA when you purchase it through GogoJungle, follow the steps below:
Firstly, download the purchased EA file from your My Page on GogoJungle. You will download a zip (compressed) file, so right-click to extract it and retrieve the file named ‘◯◯◯ (EA name)_A19GAw09 (any 8 alphanumeric characters).ex4’ from inside.
Next, launch MT4 and navigate to ‘File’ → ‘Open Data Folder’ → ‘MQL4’ → ‘Experts’ folder, and place the ex4 file inside. Once done, close MT4 and restart it. Then, go to the upper menu ‘Tools’ → ‘Options’, and under ‘Expert Advisors’, ensure ‘Allow automated trading’ and ‘Allow DLL imports’ are checked, then press OK to close.
The necessary currency pair and time frame for the correct operation of the EA are specified on the EA sales page. Refer to this information and open the chart of the correct currency pair time frame (e.g., USDJPY5M for a USD/Yen 5-minute chart).
Within the menu navigator, under ‘Expert Advisors’, you will find the EA file name you placed earlier. Click to select it, then drag & drop it directly onto the chart to load the EA. Alternatively, you can double-click the EA name to load it onto the selected chart.
If ‘Authentication Success’ appears in the upper left of the chart, the authentication has been successful. To operate the EA, you need to keep your PC running 24 hours. Therefore, either disable the automatic sleep function or host MT4 on a VPS and operate the EA.
Firstly, download the purchased EA file from your My Page on GogoJungle. You will download a zip (compressed) file, so right-click to extract it and retrieve the file named ‘◯◯◯ (EA name)_A19GAw09 (any 8 alphanumeric characters).ex4’ from inside.
Next, launch MT4 and navigate to ‘File’ → ‘Open Data Folder’ → ‘MQL4’ → ‘Experts’ folder, and place the ex4 file inside. Once done, close MT4 and restart it. Then, go to the upper menu ‘Tools’ → ‘Options’, and under ‘Expert Advisors’, ensure ‘Allow automated trading’ and ‘Allow DLL imports’ are checked, then press OK to close.
The necessary currency pair and time frame for the correct operation of the EA are specified on the EA sales page. Refer to this information and open the chart of the correct currency pair time frame (e.g., USDJPY5M for a USD/Yen 5-minute chart).
Within the menu navigator, under ‘Expert Advisors’, you will find the EA file name you placed earlier. Click to select it, then drag & drop it directly onto the chart to load the EA. Alternatively, you can double-click the EA name to load it onto the selected chart.
If ‘Authentication Success’ appears in the upper left of the chart, the authentication has been successful. To operate the EA, you need to keep your PC running 24 hours. Therefore, either disable the automatic sleep function or host MT4 on a VPS and operate the EA.
In Case You Want to Change the Account in Use
EAs from GogoJungle can be used with one real account and one demo account per EA.
If you want to use it with an account other than the authenticated one, you need to reset the registered account.
To reset the account, close the MT4 where the Web authentication is registered, then go to My Page on GogoJungle > Use > Digital Contents > the relevant EA > press the ‘Reset’ button for the registration number, and the registered account will be released.
When the account is in a reset state, using the EA with another MT4 account will register a new account.
Also, you can reset the account an unlimited number of times.
If you want to use it with an account other than the authenticated one, you need to reset the registered account.
To reset the account, close the MT4 where the Web authentication is registered, then go to My Page on GogoJungle > Use > Digital Contents > the relevant EA > press the ‘Reset’ button for the registration number, and the registered account will be released.
When the account is in a reset state, using the EA with another MT4 account will register a new account.
Also, you can reset the account an unlimited number of times.
Solutions for Errors During Web Authentication or Non-Functional Account Trading
If you encounter an error with Web authentication, or if the EA is trading on GogoJungle's forward performance page but not on your own account, there could be various reasons. For more details, please refer to the following link:
→ Items to Check When EA is Not Operating
→ Items to Check When EA is Not Operating
About the Size of Trading Lots
In Forex trading, the size of a lot is usually:
1 lot = 100,000 currency units
0.1 lot = 10,000 currency units
0.01 lot = 1,000 currency units
For USD/JPY, 1 lot would mean holding 100,000 dollars.
The margin required to hold lots is determined by the leverage set by the Forex broker.
If the leverage is 25 times, the margin required to hold 10,000 currency units of USD/JPY would be:
10000*109 (※ at a rate of 109 yen per dollar) ÷ 25 = 43,600 yen.
1 lot = 100,000 currency units
0.1 lot = 10,000 currency units
0.01 lot = 1,000 currency units
For USD/JPY, 1 lot would mean holding 100,000 dollars.
The margin required to hold lots is determined by the leverage set by the Forex broker.
If the leverage is 25 times, the margin required to hold 10,000 currency units of USD/JPY would be:
10000*109 (※ at a rate of 109 yen per dollar) ÷ 25 = 43,600 yen.
Glossary of Automated Trading
・Profit Factor: Total Profit ÷ Total Loss
・Risk-Return Ratio: Total Profit and Loss during the period ÷ Maximum Drawdown
・Maximum Drawdown: The largest unrealized loss during the operation period
・Maximum Position Number: This is the maximum number of positions that the EA can theoretically hold at the same time
・TP (Take Profit): The set profit-taking Pips (or specified amount, etc.) in the EA's settings
・SL (Stop Loss): The set maximum loss pips (or specified amount, etc.) in the EA's settings
・Trailing Stop: Instead of settling at a specified Pips, once a certain profit is made, the settlement SL is raised at a certain interval (towards the profit), maximizing the profit. It is a method of settlement.
・Risk-Reward Ratio (Payoff Ratio): Average Profit ÷ Average Loss
・Hedging: Holding both buy and sell positions simultaneously (Some FX companies also have types where hedging is not allowed)
・Risk-Return Ratio: Total Profit and Loss during the period ÷ Maximum Drawdown
・Maximum Drawdown: The largest unrealized loss during the operation period
・Maximum Position Number: This is the maximum number of positions that the EA can theoretically hold at the same time
・TP (Take Profit): The set profit-taking Pips (or specified amount, etc.) in the EA's settings
・SL (Stop Loss): The set maximum loss pips (or specified amount, etc.) in the EA's settings
・Trailing Stop: Instead of settling at a specified Pips, once a certain profit is made, the settlement SL is raised at a certain interval (towards the profit), maximizing the profit. It is a method of settlement.
・Risk-Reward Ratio (Payoff Ratio): Average Profit ÷ Average Loss
・Hedging: Holding both buy and sell positions simultaneously (Some FX companies also have types where hedging is not allowed)
Useful related pages
・How to Install MT4 EA (Expert Advisor) and Indicators
・MT4 Beginner's Guide
・Understanding System Trading Performance (Forward and Backtesting)
・Choosing Your First EA! Calculating Recommended Margin for EAs
・Comparing MT4 Accounts Based on Spread, Swap, and Execution Speed
・What is Web Authentication?
・Checklist for When Your EA Isn't Working
・MT4 Beginner's Guide
・Understanding System Trading Performance (Forward and Backtesting)
・Choosing Your First EA! Calculating Recommended Margin for EAs
・Comparing MT4 Accounts Based on Spread, Swap, and Execution Speed
・What is Web Authentication?
・Checklist for When Your EA Isn't Working