Abbreviation:
Category: Volume
Input Parameters:
| Name | Range | Default |
| Closing Price | Close | |
| Volume | Volume | |
| Summation Periods | Int >= 1 | 5 |
Calculation:
‘ Negative Volume(n), where n = 0 to Summation Periods – 1
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‘ Negative Price Change(n), where n = 0 to Summation Periods – 1
where
Negative Volume(n) =
If (Lag(C, n) < Lag(C, n + 1) then Lag(V,n)
else 0
Negaive Price Change(n) =
If (Lag(C, n) < Lag(C, n + 1) then Momentum(Lag(C,n),1)
else 0
where
C = Close
V = Volume
‘ represents the sum of values across a range of values (in this case n)
Momentum represents Momentum
Lag represents Lag
Discussion:
Provides a measure of how much volume divided by price change there has been on negative days in the last Summation Periods.