This strategy requires that you sell both call and put options of the same strike price for the same expiry date. This strategy makes profit because of the decay in premium with time. Short straddle can be used if you know where the stock is going to end.
First column shows the underlying price.Other columns shows the premium of call and put options combined for the strike price mentioned in the top.
BHEL
125
120
130
115
110
114.85
15.55
14.05
18.25
12.45
13.35
113.85
15.7
14.15
18.9
13.65
13.5
116.45
15.2
13.5
19.35
13.35
14.65
116.85
15.15
13.05
17.95
12.9
14.35
112.85
15.9
13.8
18.3
12.8
12.65
113.9
15.45
13.15
19.85
12.05
12.55
119.25
12.35
10.95
17.85
11.1
12.55
122.8
9.75
9.65
10.85
11.3
14.95
127.45
9.15
11
9.2
14.4
18.5
127.3
8.2
10.25
8.35
14.05
17.65
133.65
10.75
14.3
7.7
18.9
23.65
132.2
9.65
13.25
6.85
17.35
20.95
132.95
9.85
14.15
6.8
17.65
23.6
128.9
6.9
10.55
5.9
14.65
19.15
127.55
5.7
8.55
5.15
12.8
18.7
125.65
4.15
6.9
5.4
10.7
15.35
129.15
4.6
9.2
3.15
15.05
20.25
127.75
3.85
8.3
2.6
13.3
19.05
125
0.1
5.05
4.9
9.85
15
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