Dukascopy

1. Spread.mq4
2. Spread_Lines.mq4

The JForex platform does not have an option to show graphics of the Ask and Bid price lines simultaneously.

Image 1. Spread_Lines and Spread Indicators.
Spread Inputs Parameters - Show_Bid and Font_Bold checked.

Attached Image (click to enlarge)

1. The JForex platform should already be downloaded and running successfully.
2. Download the Spread_Line.mq4 file and place in the Documents / JForex / Indicators folder.
3. Locate the Workspace panel → then → Custom Indicators in the folder tree. It should be below Strategies and above Plugins.
4. Right click on Customs Indicator.
5. Left click Open Indicator.
6. Locate the Spead_Lines.mq4 file in the Documents / JForex / Indicator folder. Click on Spread_Lines.mq4 and then Open.
7. The MT4 indicator code should now be open in the editor.
8. Locate Environment on the menu bar. This how is things should look: Environment MT4 ▼
9. Hover the mouse over the next two buttons to the right of the drop down ▼. Immediate right of MT4▼ is the Compile (F5) button and on the right of the Compile button is the Parameters button.
10. The Parameters button is next step and MUST be dealt with before the Compile button.
11. Ensure that ◘Obfuscate on the menu bar is not checked.
12. Left click the Parameters Button and uncheck Calculate once per bar ◘. If this is not unchecked the indicator will not update in real time but only once per bar.
13. Uncheck Recalculate all ◘ and hit the Save button.
14. Now ensure that the Messages Tab is selected and Click the Clear Messages button. This will ensure a clean slate for error or success indication at the next step of compiling.
15. Click the Compile button and check Messages window for compilation success. Always check messages for errors or success.
16. Spread_Lines indicator should now be visible in the Workspace navigation pane under Custom Indicators.
17. Right click on the indicator to view the available options.
18. The following files should now be found in the Documents / JForex / Indicator folder: Spread_Lines.jfx, Spread_Lines.mq4 and Spread_Lines.xml.

Note: If for some reason you need to recompile all old instances of the indicator must first be removed from all charts via the Workspace navigation panel under Charts. The new indicator must then be attached to the required charts.

Spread_Lines: Testing

1. There are two ways of placing the indicator on the chart.
2. An instance of the indicator is available from the chart menu button f(x) → Custom → Spread_Lines and places the indicator directly onto the chart without option to first change parameters.
3. An instance of the indicator is available in the Workspace navigation panel under Charts → Symbol, Timeframe. Locate f(x) Spread_Lines → Right click → Add to Active Chart. The Inputs Parameter Window opens prior to the indicator attaching to the chart.
4. Check that the indicator Ask-Bid lines are updating in real time and not once per bar. If not, go back to start.
5. To edit the indicator parameters at a later date return to the f(x) Spread_Lines instance of the indicator under Charts (Workspace navigation panel).
6. To edit the indicator code locate the Spread_Lines instance of the indicator under Custom Indicators.
7. To layer the indicator behind or in front of candles got to Tools → Preferences → Charts → Chart Drawing Sequence - - - drag item up or down to rearrange as required.

Spread_Lines: Proving Accuracy

1. Goto Tools → Preferences → Chart → Check Show Last Candle Tracking. Select Throughout the chart and click the OK button.
2. Go to chart and select Bid ▼ from the chart menu. The underlying JForex Bid graphic can be seen as a dotted line underneath the Spread_Lines Bid line.
3. Select Ask ▼ from the chart menu. The JForex Ask graphics can be seen as a dotted line underneath the Spread_Lines Ask line.

Spread: Installing, Compiling and Testing

1. As above.
2. See Parameters Window for Show_Ask , Show_Bid and Font_Bold.

Spread: Proving Accuracy

1. Locate the instance of the Spread indicator in the Workspace navigation panel under Charts → Symbol, Timeframe. Access the Spread Parameter Window (Right click → Edit Indicator) and check Show_Ask and Show_Bid.
2. The indicator should now have a graphic of the Ask price, Bid price and spread difference.
3. Check that the indicator is updating in real time. If not, got back to start.
4. Locate the Accounts Bar at bottom of platform and ensure that ◘OneClick is unchecked then right click on the chart and select Sell Market which will bring up the Order Window with updating Ask and Bid prices in large font against green and pink backgrounds respectively. Caution: Do not take any trades.
5. In slow markets the Order Window Ask and Bid price can be compared to the Ask and Bid Price of the indicator.
6. In fast markets price fluctuations are too fast for accurate comparison and a snap shot of the screen frozen at instant of snap is required.
7. This can be done with the window Snipping Tool. Start → in the search type → snipping tool. For ease of use the Snipping Tool can be pinned to the task bar.
8. Click on the Snipping Tool. A frozen snapshot of the screen at instant of click will be superimposed over the screen. See below image 2.
9. Compare Ask and Bid price of the Order Window against the Ask and Bid price of the indicator.
10. Compare indicator spread against the indicator Ask-Bid difference.

Attached Image

// User Inputes : Start
extern color Ask_Color = Lime;
extern color Bid_Color = Red;
extern color Spread_Color = Orange;
extern bool Show_Ask = false;
extern bool Show_Bid = false;
extern int  Font_Size = 17;
extern bool  Font_Bold = false;
extern int Move_Left_Right = 20;
extern int Move_Up_Down = 20;
extern int Corner = 1;
// User Inputs : End

// User Inputs : Start
extern color Ask_Line = Green;
extern color Bid_Line = Red;
extern int Line_Style = 0;
extern int Line_Width = 1;
// User Inputs : End

Attached File(s)

Spread.mq4   3 KB | 347 downloads

Attached File(s)

Spread_Lines.mq4   2 KB | 351 downloads