- ago
a) In Wealth Lab 6.9 there was a condition:

"Price is above upper Bollinger Band"

It was possible to set the following variables for that:
Price = Open / High / Low / Close / Volume
BBSeries = Open / High / Low / Close / Volume
BBand Period UB = (a whole number)
BBand Standard Deviation UB = (a decimal number)

In my strategy I used "Close" / "Close" / 19 / 1.87

I tried to implement it in WL7 with "Indicator Compare to Indicator". I chose the "Close" price as the first indicator and then "BollingerPctBSmoothed" as the second.

There are only two parameters which can be edited for this indicator:
Period = (a whole number)
Smooth Period = (a whole number)

I was confused, because now there are two period variables and the standard deviation cannot be addressed? Or is there another indicator which can be used for an "upper Bollinger Band"?

b) I have a similar question regarding the old condition:

"Price is above upper Moving Average Envelope"

The following parameters could be set:
Price = Open / High / Low / Close / Volume
MA Type = SMA / EMAModern / EMALegacy / WMA / VMA
MA Basis = Open / High / Low / Close / Volume
MA Period = (a whole number)
Envelope Percent = (a decimal number)

Again, in Wealth Labe 7 I went for "Indicator Compare to Indicator". This time I found "EnvelopeUpper" tih these parameters:
Source = Open / High / Low / Close / Volume / (several) Average...
MA Period = (a whole number)
Percent = (a decimal number)
MA Type = SMA / EMA / WMA / SMMA

I am trying to implement an exact copy of my WL 6.9 strategy in WL 7.0. Thats why I am asking these questions. Here I have all the fields like in WL6.9. But I used "MA Type" = "VMA" in the strategy. Am I right, if I assume, that an exact version can only be achieved with coding?

Thanks for your help!
Werner
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- ago
#1
QUOTE:
I was confused, because now there are two period variables and the standard deviation cannot be addressed? Or is there another indicator which can be used for an "upper Bollinger Band"?

For upper Bollinger Band you would simply choose BBUpper.

"BollingerPctBSmoothed" is a different indicator which reflects where the price is relative to the upper and lower Bollinger band.
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- ago
#2
QUOTE:
But I used "MA Type" = "VMA" in the strategy. Am I right, if I assume, that an exact version can only be achieved with coding?

Hmm yes it's not that simple. VMA stands for Volume-Weighted Moving Average, and it's not part of WL7. It's called VWMA and is part of an extension so it doesn't look like we can include VWMA as a choice for the Moving Average Envelopes:

https://www.wealth-lab.com/extension/detail/AdvancedSmoothers

But as a workaround you could build your system from Blocks using one of the supported MAs, then open the code in a new window and edit the code to use VWMA?
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