In: Finance
Given the following 3 put options that have the same expiration date:
A: Strike Price = $110, Market Price = $6
B: Strike Price = $120, Market Price = $10
C: Strike Price = $130, Market Price = $16
Explain how a butterfly spread can be created. Create a table in excel showing the profit from this. What range of stock prices would lead to a loss from this?
2 butterfly spread can be created here :
1) Long butterfly spread with puts : A long butterfly spread with
puts consist of buying put with highest strike price and the lowest
strike price and selling two puts of the middle strike price. This
means buying the wings and selling the body.
Maximum Profit in this strategy will be the the difference between
the highest and centre strike price minus the net initial premium
paid.
Maximum loss in this strategy is limited to the initial premium
paid.
Long Butterfly spread can be created by buying put with Strike
Price $ 110, buying put with strike price $ 130 and selling 2 put
with strike price 120.
Premium Paid/Received will be as below :
Purchase of put with Strike Price 110 resulting in initial outflow
of $6.
Selling of 2 put with Strike Price 120 resulting in initial inflow
of $10 * 2 = $20.
Purchase of put with Strike Price 130 resulting in initial outflow
of $16.
Net Initial Outflow = $6+$16-$20 = $2
Maximum Loss from this strategy will be net initial outflow =
$2
Maximum Profit from this strategy will be difference in strike
price in net initial outflow = $130-120 - $ 2 = $10 - $2 = $8
Hence maximum profit is $8 when Strike Price is $120 and maximum loss is restricted to $2.
2) Short butterfly spread with puts : A short butterfly spread
with puts consist of selling put with highest strike price and the
lowest strike price and buying two puts of the middle strike price.
This means selling the wings and buying the body.
Maximum Loss in this strategy will be the the difference between
the highest and centre strike price minus the net initial premium
received.
Maximum profit in this strategy is limited to the initial premium
received.
Long Butterfly spread can be created by selling put with Strike
Price $ 110, selling put with strike price $ 130 and buying 2 put
with strike price 120.
Premium Paid/Received will be as below :
Selling of put with Strike Price 110 resulting in initial inflow of
$6.
Buying of 2 put with Strike Price 120 resulting in initial outflow
of $10 * 2 = $20.
Selling of put with Strike Price 130 resulting in initial inflow of
$16.
Net Initial Inflow = $6+$16-$20 = $2
Maximum Profit from this strategy will be net initial outflow =
$2
Maximum Loss from this strategy will be difference in strike price
in net initial outflow = $130-120 - $ 2 = $10 - $2 = $8
Hence maximum loss is $8 when strike price is $120 and maximum profit is restricted to $2.