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>alex the first derivative is slope and the second is acceleration
I know that.  The original query wanted to know "if slope of osc is
declining" which is ambiguous.  I took it to mean "if slope is
negative" but I see now it really means the change in the slope.
>slope=osc[0]-osc[1]
>accel=slope-slope[1]
Instead of what I responded:
>> if osc[0] < osc[1] then sell close;
...you can say "if osc[0]-osc[1] < osc[1]-osc[2] then sell close;"
-- 
  ,|___    Alex Matulich -- alex@xxxxxxxxxxxxxx
 // +__>   Director of Research and Development
 //  \ 
 //___)    Unicorn Research Corporation -- http://unicorn.us.com
 
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