stevehopwoodforex.com • Hands up who likes to trade fx Volume • Print view

Author:

bourgenot [ Mon Aug 05, 2013 9:02 pm ]

Post subject:

Re: Hands up who likes to trade fx Volume

Volum is very and realy important indicator! (i send (i thing) the best one), can you send "un ami m'a envoyé un gadget de volume ", thank you;

//+-------------------------------------------------------------------------------------------+
//| |
//| SonicR PVA Volumes.mq4 |
//| |
//+-------------------------------------------------------------------------------------------+
#property copyright "Copyright © 2013 traderathome"
#property link "email: traderathome@msn.com"

/*---------------------------------------------------------------------------------------------
Overview, _v1:

This indicator creates a PVA (Price Volume Analysis) color coded volume histogram.

1. PVA Volumes-
The volume bars have special colors for special situations regarding individual candle
range, individual candle volume and average volume, and are designed to be used in
conjuction with the co-released SonicR PVA Candles indicator. Volume bars emphasized
with special colors for special situations help you quickly associate a volume bar to the
corresponding candle of the same colors.
A. Volume Bars for Climax Candles
Volume bars where volume is >= "Extreme_Factor" percent of the average volume of the
"Climax_Period" number of the most recent previous bars, and volume bars where the
product of candle spread x candle volume is highest for the "Climax_Period" number of
the most recent previous bars. Volume bars for bull candles are green and for bear
cndles are red. The volume bars qualifying as "Climax" bars can trigger an alert.
b. Volume Bars for Candles With Volume Rising Above Average
Volume bars where volume is >= "Rising_Factor" percent of the average volume of the
"Rising_Period" number of the most recent previous bars. Volume bars for bull candles
are blue and for bear candles are blue-violet.
C. Colors Display
The coding of colors allows the user to alter any color. But this must be done on
the "Inputs" tab, not the "Colors" tab.

2. Selecting the Width of the Volume Bars-
Empty4 has six chart zoom settings referred to as number selections 1 thru 6 as you zoom a
chart in, going from thinnest to thickest bars. Use numbers 1-6 in the external input
"Chart_Zoom_0123456" to manually control bar widths. Use "1 or 2" for zoomed out
charts (thinnest bars). Use "3" for the Empty4 default chart zoom. Use "4,5, or 6" for
zoomed in charts (wider bars). Use "0" to get the bar width externally, meaning from
another indicator (i.e., the Filled Dragon or PVA Candles indicator). If the setting
for "Chart_Zoom_0123456" is not between 0-6, it defaults to "3".

The proper sequence to follow is....
A. First, enter the "Chart_Zoom_0123456 " input you want.
B. Second, use the Empty4 icons "+/-" to zoom the chart in/out, per the input you made.
C. Switch chart TF once to reset the chart to your "Chart_Zoom_0123456" input.

Setting "Chart_Zoom_0123456" to "0" turns control of bar widths over to the
SonicR Filled Dragon indicator, so when you want to zoom in/out on the chart you only
have to change your zoom setting in that indicator. The SonicR Filled Dragon indicator
does not have to be turned on for the SonicR PVA Volumes indicator to be slaved to it's
zoom setting. however, if the SonicR Filled Dragon indicator is not in the list of chart
indicators, then the SonicR PVA Volumes indicator is automatically slaved to the
SonicR PVA Candles indicator instead, if it is on the chart list of indicators, whether
it is turned on or off. If neither the SonicR Filled Dragon nor the SonicR PVA Candles
indicators are included in the list of chart indicators then "Chart_Zoom_0123456" should
be set to the appropriate number (1-6) based to how you have zoomed in/out on the chart.

3. Setting the Volume Alert-
This indicator includes the Empty4 sound with text alert that will trigger once per TF at
the first qualification of the volume bar as a PVA Climax volume bar in the PVA mode, or
as an Extreme volume bar in the SRV mode. Set the input "Volume_Alert_On" to "true" to
activate the alert. Use "Broker_Name_In_Alert" to input your broker name so it will
appear in the on-screen alert. This helps to avoid confusion if you are simultaneously
using multiple Empty4 platforms from different brokers.

4. On/Off & Display Range-
The indicator can be turned on/off without having to remove it from the chart, thereby
preserving your chart settings.

Changes from VSA Histogram indy released 05-01-2012 to release 05-25-2013 of this new indy:
01 - Removed the automatic zoom feature and revised the manual zoom feature. Bar widths can
now be slaved to the SonicR Solid Dragon or SonicR PVA Candles indicators.
02 - PVA "Rising Volume" Bull/bear candles now have Bull/bear colors.
- Classifies "Rising Volume" candles that are >= "Extreme_Factor" percent of the average
volume as "Climax".
- Shifts the averaging period for "Rising Volume" by one TF.
03 - Provides easy access to colors used.
05 - Revises Alert code so it now works on all TFs (including M1) and adds an External Input
so the broker name can appear in the text alert (helpful if running multiple MT4s), and
eliminates the "sound only" alert.

- Traderathome, 05-25-2013
-----------------------------------------------------------------------------------------------
Acknowledgements:
BetterVolume.mq4 - for "climax" candle code definition (BetterVolume_v1.4).

----------------------------------------------------------------------------------------------
Suggested Colors White Chart Black Chart Remarks

indicator_color1 C'113,131,149' C'102,099,163' Normal Volume
indicator_color2 C'045,081,206' C'062,158,255' Bull Rising
indicator_color3 C'154,038,232' C'173,051,255' Bear Rising
indicator_color4 C'000,151,090' C'033,207,077' Bull Climax
indicator_color5 C'208,017,074' C'231,001,006' Bear Climax

Note: Suggested colors coincide with the colors of the SonicR Suite of Candles indicator.
---------------------------------------------------------------------------------------------*/

//+-------------------------------------------------------------------------------------------+
//| Indicator Global Inputs |
//+-------------------------------------------------------------------------------------------+
#property indicator_separate_window
#property indicator_buffers 5

#property indicator_color1 C'102,099,163'
#property indicator_color2 C'062,158,255'
#property indicator_color3 C'173,051,255'
#property indicator_color4 C'031,192,071'
#property indicator_color5 C'231,001,006'

//Global External Inputs
extern bool Indicator_On = true;
extern int Chart_Zoom_0123456 = 0;
extern bool Volume_Alert_On = true;
extern string Broker_Name_In_Alert = "";
extern color Std_Volume = C'102,099,163';
extern color Bull_Rising = C'062,158,255';
extern color Bear_Rising = C'173,051,255';
extern color Bull_Climax = C'031,192,071';
extern color Bear_Climax = C'231,001,006';

//Global Buffers and Variables
bool Deinitialized;
int i,j,n,Bar_Width,counted_bars,limit,lastzoom;
double Normal[],RisingBull[],RisingBear[],ClimaxBull[],ClimaxBear[],
av,rv,Range,Value2,HiValue2,tempv2;
string ShortName,rf,ef;
int PVA_Climax_Period = 10;
int PVA_Rising_Period = 10;
double PVA_Rising_Factor = 1.5;
double PVA_Extreme_Factor = 2.0;

//Alert
bool Alert_Allowed;
double prevBid;

//Global Variable Controlling Bar Widths
double B;
string Bar = "Bar_Setting";

//+-------------------------------------------------------------------------------------------+
//| Custom indicator initialization function |
//+-------------------------------------------------------------------------------------------+
int init()
{
Deinitialized = false;

if(Volume_Alert_On == true) {Alert_Allowed = true;}
prevBid = 0;

//Use Global or Internal instructions for bar widths
if(Chart_Zoom_0123456 == 0)
{
//Get GV Bar Widths for candle bars
Bar_Width = GlobalVariableGet(Bar);
}
else
{
//Manually Adjust Width
if(Chart_Zoom_0123456 < 0 || Chart_Zoom_0123456 >6) {Chart_Zoom_0123456 = 3;}
if(Chart_Zoom_0123456 == 1) {Bar_Width = 1;}
else {if(Chart_Zoom_0123456 == 2) {Bar_Width = 2;}
else {if(Chart_Zoom_0123456 == 3) {Bar_Width = 2;}
else {if(Chart_Zoom_0123456 == 4) {Bar_Width = 3;}
else {if(Chart_Zoom_0123456 == 5) {Bar_Width = 6;}
else {Bar_Width = 13;} }}}}
}

//Indicators
//Normal Bars
SetIndexBuffer(0, Normal);
SetIndexStyle(0, DRAW_HISTOGRAM, 0, 1, Std_Volume);
//PVA: Rising volume
SetIndexBuffer(1, RisingBull);
SetIndexStyle(1, DRAW_HISTOGRAM, 0, Bar_Width, Bull_Rising);
SetIndexBuffer(2, RisingBear);
SetIndexStyle(2, DRAW_HISTOGRAM, 0, Bar_Width, Bear_Rising);

//PVA: Climax volume
SetIndexBuffer(3, ClimaxBull);
SetIndexStyle(3, DRAW_HISTOGRAM, 0, Bar_Width, Bull_Climax);
SetIndexBuffer(4, ClimaxBear);
SetIndexStyle(4, DRAW_HISTOGRAM, 0, Bar_Width, Bear_Climax);

//Indicator ShortName
ShortName= "SonicR PVA";
if(Volume_Alert_On) {ShortName= ShortName + " Alert On";}
IndicatorShortName (ShortName);

//Indicator subwindow data
SetIndexLabel(0, NULL);
SetIndexLabel(1, NULL);
SetIndexLabel(2, NULL);
SetIndexLabel(3, NULL);
SetIndexLabel(4, NULL);
SetIndexLabel(5, NULL);
SetIndexLabel(6, NULL);
SetIndexLabel(7, NULL);

return(0);
}

//+-------------------------------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+-------------------------------------------------------------------------------------------+
int deinit()
{
return(0);
}

//+-------------------------------------------------------------------------------------------+
//| Custom indicator iteration function |
//+-------------------------------------------------------------------------------------------+
int start()
{
//If Indicator is "Off" deinitialize only once, not every tick
if (!Indicator_On)
{
if (!Deinitialized) {deinit(); Deinitialized = true;}
return(0);
}

//Otherwise indicator is "On" & chart TF is in display range, so proceed.
Deinitialized = false;

//Confirm range of chart bars for calculations
counted_bars = IndicatorCounted();
if(counted_bars < 0) return(-1);
if(counted_bars > 0) counted_bars--;
limit = Bars-counted_bars;

//Begin the loop of calculations for the range of chart bars. With first tick all bars are
//calculated. With each tick thereafter, no calculations occur for previous unchanged bars.
for(i=0; i<limit; i++)
{
//Clear buffers
Normal = 0;
RisingBull = 0;
RisingBear = 0;
ClimaxBull = 0;
ClimaxBear = 0;
Value2 = 0;
HiValue2 = 0;
tempv2 = 0;
av = 0;

//Define Normal histogram bars
Normal = Volume;

//Rising Volume
for (j = i+1; j < (i+PVA_Rising_Period); j++) {av = av + Volume[j];}
av = av / PVA_Rising_Period;
if(Volume >= av * PVA_Rising_Factor)
{
if(Close > Open) {RisingBull[i] = NormalizeDouble(Volume[i],0);}
if(Close[i] <= Open[i]) {RisingBear[i] = NormalizeDouble(Volume[i],0);}
}

//Climax Volume
Range = (High[i]-Low[i]);
Value2 = Volume[i]*Range;
for(n=i+1;n<i+PVA_Climax_Period;n++)
{
tempv2 = Volume[n]*((High[n]-Low[n]));
if (tempv2 >= HiValue2) {HiValue2 = tempv2;}
}
//Define Current and Historic "Climax" bars
if((Value2 >= HiValue2) || (Volume[i] >= av * PVA_Extreme_Factor))
{
//Bull Candle
if(Close[i] > Open[i])
{
ClimaxBull[i] = NormalizeDouble(Volume[i],0);
}
//Bear Candle
else if (Close[i] <= Open[i])
{
ClimaxBear[i] = NormalizeDouble(Volume[i],0);
}
//Sound & Text Alert
if((Volume_Alert_On) && (Alert_Allowed == true) && (i == 0) && (prevBid >0))
{
Alert(Broker_Name_In_Alert,": ",Symbol(),"-",Period()," PVA alert!");
Alert_Allowed = false;
}//End Alert
}//End Climax Volume
}//End PVA "for i" loop
prevBid = Bid;

return(0);
}

//+-------------------------------------------------------------------------------------------+
//|Custom indicator end |
//+-------------------------------------------------------------------------------------------+

Author:	dan68 [ Mon Aug 05, 2013 11:52 am ]
Post subject:	Hands up who likes to trade fx Volume
Hi traders. I'm interested to know whether you guys use volume indicators. A friend emailed me a volume gadget this week and was very excited about it. I trade with another person who swears by volume - he uses a VSA (volume spread analysis) strategy. As a trading nerd I love new indicators. I don't trade with them (my own charts are very simple), but I find them fascinating and enjoy the excellence that clever traders and coders bring to the markets. Because there's no centralised exchange for forex, a volume indicator will only show that volume coming from your own broker (and the quality of their depth/liquidity depends on the number and quality of their bank partners). Sometimes your broker's volume will be "indicative" and sometimes it won't even be close to what's happening worldwide. But like all forex strategies, it's about probabilities. So I'm interested to hear views about volume strategies or indicators and whether they're consistent winners. Only currency futures show true volume as they're traded on a central exchange.

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