2X-Be-Me,
I do not know which will come close both are calculated entirely different. Here is definition of LSMA,
"LSMA - Least Squares Moving Average
Also called "moving linear regression" or "regression oscillator".
This indicator displays the statistical trend of a security's price over a specified time period. This is done by linear regression analysis. The indicator is constructed by plotting the last point a linear regression trend line for each period point."
and this is how SMA is calculated.
" Simple Moving Average (SMA)
A simple, sometimes called arithmetic, moving average is calculated by adding the closing price of the security for a number of time periods and then dividing this total by the number of time periods. It is basically the average price of the stock over a period of time. Equal weight is given to each time period. "
I hope it help QT is free you can download it. I will try to help you set it up.
We had a sever thunderstorm in Northern Virginia and my lights went out for short time, that caused delay to respond you.
Farooq