Options / Warrants Calculator

The theoretical value of an option is affected by a number of factors such as the underlying stock price/index level, strike price, volatility, interest rate, dividend and time to expiry.


Options / Warrants Background Information
Stock Option   Index Option   Stock Warrant   Index Warrant
Stock Name
Expiry Strike    Load Default Data
Stock Price$ Implied Volatility (per year)# %
Strike Price$ Expiry (D/M/Y)
Interest Rate (per year)* %    
1st Ex-Dividend Date* 1st Dividend Amount*$
2nd Ex-Dividend Date* 2nd Dividend Amount*$
Exercise Style^ European Style American Style
Pricing Model^ Binomial Model Black Scholes Model
For default data:
#Implied volatility (IV) is calculated from last traded price of selected option series. If there is no trade of both call and put options during the day, IV from last trading day will be retrieved.
*Interest Rate and Dividend information are provided by Reuters. Dividend information includes both actual and forecast values.
^Exercise style of Stock Options listed on HKEX is American style. Binomial model is used to evaluate American style option.