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just see dinkerj, hpcl sustain above 250 & nifty closed with gains. there was a chain reaction beetween hpcl & nifty on yesterdays data.
Sometimes TA find a correlation between two scrips ,in any data array,be it
population census,there is a mathematical module to derive a correlation between two different parameters say Age & smoking habit,in census,likewise
many TA search for a correlation,particularly this does not last more than few
days ,becoze of the arbitraggers & hedgers who when trying to lock this correlation (proportional OR inversely proportional) situation in fact Actually
corrects the anamoly.So any strategy based on correlation backfires also.Earlier when people found Stock Mkt going down means Gold coming up,many played Shorting Capital mkt & Longing Commodity mkt (gold),but now the Low cost Liquidity (yen carry) has balanced all kind of imbalance in
good times & topsy turvy on Crunch situation,hence avoid this strategy,moreover this game involves Huge capital.
Asish