# Suspicious Volume Indicator for ThinkorSwim

#### BenTen

Staff member
Staff
VIP
This indicator helps to identify suspicious volume.

The ratio of the current volume to the average of several previous candlesticks has been defined as standardized between 0 and 100.

When the volume line goes above 70 or below 30, we can assume that the trading volume is abnormal.

### thinkScript Code

Code:
``````# Suspicious Volume
# Assembled by BenTen at useThinkScript.com

declare lower;

def Totlavol = volume;
input Ma_period = 10;
input highVol = 70;
input lowVol = 30;

def smaVol = simpleMovingAvg(Totlavol, Ma_period);
def volnow = volume[0];
def SVolume_index = (volnow / smaVol);
def sv_index = (100 - (100 / (1 + SVolume_index)));

plot h_vol = highVol;
plot l_vol = lowVol;

plot line = sv_index;``````

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This indicator helps to identify suspicious volume.

When the volume line goes above 70 or below 30, we can assume that the trading volume is abnormal.

### thinkScript Code

Code:
``````# Suspicious Volume
# Assembled by BenTen at useThinkScript.com

declare lower;

def Totlavol = volume;
input Ma_period = 10;
input highVol = 70;
input lowVol = 30;

def smaVol = simpleMovingAvg(Totlavol, Ma_period);
def volnow = volume[0];
def SVolume_index = (volnow / smaVol);
def sv_index = (100 - (100 / (1 + SVolume_index)));

plot h_vol = highVol;
plot l_vol = lowVol;

plot line = sv_index;``````
thank you for sharing
is it possible to place alert when it goes above 70 it woluld be very helpful if possible

thank you for sharing
is it possible to place alert when it goes above 70 it woluld be very helpful if possible

@alphabeta Yep, all you need to do is to add the following line to the end of the study and you'll be all set for that alert

Code:
``Alert(sv_index crosses above highVol, "Crosses above 70 threshold", Alert.BAR, Sound.Ring);``

Hey new member here! Do the 30 and 70 levels indicate buying and selling or are they just general?

@Wright1 When the volume line goes above 70 or below 30, we can assume that the trading volume is abnormal.

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