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Exchange option

The right to give up one equity and receive another at expiry, valued under a two-asset model.

ProductExchange optionEquities
Terms
Weight, asset 1
Weight, asset 2
Expiry
Model · Method
Fixed in this demo.

Market data

Price, asset 1
100
Price, asset 2
100
Interest rate
3%
Dividend yield, asset 1
1%
Dividend yield, asset 2
2%
Volatility, asset 1
30%
Volatility, asset 2
40%
Correlation
0.5

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Present value · Black–Scholes · Closed form
14.59
Exchange value today
0
Price ratio, asset 1 to 2
1

Across asset 1

Greeks · 10

0.576596
per 1 unit of asset 1
−0.430679
per 1 unit of asset 2
0.0107201
per 1 unit of asset 1
0.0107201
per 1 unit of asset 2
−0.0107201
per 1 unit of each asset
0.107201
per 1 vol point of asset 1
0.268003
per 1 vol point of asset 2
−0.128641
per 0.01 correlation
0
per 1% rate
−0.0198708
per day

Model values for illustration, from fixed market data. They are not quotes.

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About this product

At expiry the holder receives the first position and gives up the second, if the first is worth more. Weights set the size of each position.

Its value depends on how the two prices move together: the less correlated they are, the more it is worth.

What you can change

The contract terms above. Market data, model parameters and numerical settings are fixed for this demo and shown with each result.

The Greeks

Delta 1 per 1 unit of asset 1
How much the option's value changes when asset 1 moves by 1 unit, with asset 2 unchanged.
Delta 2 per 1 unit of asset 2
How much the option's value changes when asset 2 moves by 1 unit, with asset 1 unchanged.
Gamma 1 per 1 unit of asset 1
How much Delta 1 changes when asset 1 moves by 1 unit.
Gamma 2 per 1 unit of asset 2
How much Delta 2 changes when asset 2 moves by 1 unit.
Cross Gamma per 1 unit of each asset
How much Delta 1 changes when asset 2 moves by 1 unit. It is also how much Delta 2 changes when asset 1 moves by 1 unit.
Vega 1 per 1 vol point of asset 1
How much the option's value changes when the volatility of asset 1 rises by 1 point.
Vega 2 per 1 vol point of asset 2
How much the option's value changes when the volatility of asset 2 rises by 1 point.
Correlation 01 per 0.01 correlation
How much the option's value changes when the correlation between the two assets rises by 0.01.
Rho per 1% rate
How much the value changes when interest rates rise by 1 percentage point.
Theta per day
How much the value changes as one calendar day passes, with everything else unchanged.

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