For closing the initial position whatever SOLD is to be bought and whatever BOUGHT is bought to be sold. Hence latest position is reverse action of initial position trades..
DATE:15.02.17
INITIAL POSITION LATEST POSITION-15-02-2017
8300 PUT BUY 75 37.45 -2808.75 2.95 221.25
8400 PUT SELL 75 54.35 4076.25 4.90 -367.50
9000 CALL SELL 75 28.00 2100.00 4.75 -356.25
9100 CALL BUY 75 16.80 -1260.00 2.00 150.00
NET 2107.50 A -352.50
A B
A-B 1755.00
PROFIT RETENTION 83.27
As profit retension achieved targetted retention level, I will close the open position.
So on investment of Rs 40000/-, I got a profit of Rs 1755/-, 4.38% profit.