Questions tagged [bachelier]

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Bachelier model in terms of normal distribution to simulate price

Bachelier Model is $dS_t = rdt + 𝜎dW_t$ and can also write to $S_t = S_0 + 𝜎W_t$ How can write $W_t$ in terms of normal distribution? Basically I want to simulated the underlying asset in the ...
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Price of Call & Put Spreads as Volatility Tends to Infinity in Bachelier Model

In the standard Black Scholes model, as we take volatility to infinity, the price of call spreads goes to zero and the price of put spreads goes to the difference in strikes. I ran a simulation using ...