ACCOUNT_NO | STOCK_CODE | ORDER_REF | TRADE_DATE | FLAG | QTY | PRICE | required_price |
101 | NIFTY | 7622 | 13May2014 | FRESH | 50 | 7137.65 | |
101 | NIFTY | 14474 | 22May2014 | FRESH | 50 | 7350.75 | |
101 | NIFTY | 18359 | 29May2014 | COVER | -50 | 7234.3 | (50*7137.65+50*7350.75)/(50+50) |
101 | NIFTY | 18026 | 05Jun2014 | FRESH | 50 | 7479.75 | |
101 | NIFTY | 464 | 06Jun2014 | FRESH | 50 | 7528.75 | |
101 | NIFTY | 20830 | 18Jun2014 | COVER | -100 | 7554.475 | (50*7479.75+50*7528.75)/(50+50) |
101 | NIFTY | 12253 | 19Jun2014 | COVER | -50 | 7530.1 | (50*7479.75+50*7528.75+50*7137.65+50*7350.75)/(50+50=50+50) |
101 | NIFTY | 16690 | 22Jul2014 | FRESH | 100 | 7768.4 | |
101 | NIFTY | 7164 | 23Jul2014 | FRESH | 100 | 7800 | |
101 | NIFTY | 16070 | 24Jul2014 | FRESH | 50 | 7834.1 | |
101 | NIFTY | 11726 | 30Jul2014 | COVER | -250 | 7722.9 | (100*7768.4+100*7800+50*7834.1) |
Sorry, what is the question. You seem to have it all there.
data want;
set have;
retain inter;
inter=qty*price;
if flag="COVER" then do;
required_price=inter;
inter=.;
end;
run;
This will get you some of the way, however I don't see why the Cover in the 7th row should have all that formula, maybe as it follows another cover row, if so then just update the logic above:
data want;
set have;
retain inter;
if flag="COVER" and lag(flag) ne "COVER then inter=.;
inter=qty*price;
if flag="COVER" then do;
required_price=inter;
end;
run;
It appears that you have two heirarchies of data. I would consider adding a variable that defines which group is being looked
It looks like you are leaving out some important information. Why does the first and second cover have two fresh calculations a piece but the third has 4 and the 4th has 3?
Hi,
I want to put weighted average price in front of cover. On 29may the required price will be weighted average of price on 13th and 22nd may2015.
Regards
Sandeep
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