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Questions tagged [derivatives]

A financial contract whose payoff is linked to the evolution of an underlying security.

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Equal weight correlation swap payoff derivation

I am aware that the payoff for a equal weighted correlation swap is; $$ (\rho_K-\rho)*\text{Notional} $$ where $$ \rho = \frac{2} {n(n-1)}\sum_{i < j} \rho_{ij} $$ I am wondering how I can derive ...
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14 views

Longstaff Schwartz with future conditional coupons

I've implemented the L-S algorithm for a simple put option. I want to value a more complex derivative which has future conditional coupons which only occur if the option is in the money. How would I ...
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36 views

Value of a put > strike?

I dont understand why the value of a put will be greater than the strike. Is this human error? Weatherford had been delisted and the price of the underlying OTC is 0.05 at the moment. Its a 0.50 Put 6/...
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1answer
72 views

Calculate forward discount factors and forward reference rate when discount factors are known

I am trying to learn how to value interest rate swap through portfolio of FRA's(forward rate agreement).But I have got stuck in calculation of floating leg. Here is the scenario as given below for ...
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35 views

Arbitrage and state price formulation

I must be missing something really obvious due to my temporary obtuseness. Can someone please help me see the obvious? :-P Thank you. I am just browsing Darrell Duffie's Dynamic Asset Pricing Theory. ...
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113 views

Pricing of Swaption by Proxy and Monte Carlo

here's the problem. Suppose you want to compute the price of a Call option on a Swap contract. Let $T$ and $T+S$ the times (in year fraction) where the Swap lives and suppose that the fluxes of the ...
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1answer
123 views

Reference for why a derivative is a derivative and not say an insurance contract

I recently spoke to an options trader that tried to demonstrate option pricing by considering a random walk of balls dropping down a lattice so the underlying stochastic process is a simple random ...
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377 views

What is the intuition behind the equivalent martingale measure result?

"Suppose that f and g are the prices of traded securities dependent on a single source of uncertainty and define phi = f/g. The equivalent martingale measure shows that, when there are no arbitrage ...
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1answer
419 views

Delta Hedging: Clarification example of the book “Hull, Options, Futures, and Other Derivatives” [closed]

By "Hull, Options, Futures, and Other Derivatives": Suppose that, in figure,the stock price is \$100 and the option price is \$10. Imagine an investor who has sold 20 call option ...
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2answers
237 views

Detect trend of an index

My question is about determining the trend and it can break down to 3 parts. To clarify, a trend in my point of view, and in simple form, is the last close at time t relative to its time reference, i....
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1answer
64 views

Cash as Collateral in OTC Market

In OTC market Collateral Posting as cash is normal, so when it is said Collateral Posted as USD CASH Does that mean Actual amount of currency is posted electronically (or any security is posted) ...
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2answers
40 views

What would be the issue price of the following contract?

Stock currently A has a price equal to 100. Stock B also currently has a price of 100. The contract has a maturity $\mu$ of one year. At maturity the payout is the max price of either A or B. What is ...
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1answer
1k views

Compute I-spread from ASW-spread (or vice versa)

The I-spread ("mid swap spread" or yield-yield spread) is a standlone measure of credit risk, a security against matched maturity vanilla swap rate. Consider a package in which the investor receives ...
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1answer
497 views

Is the code of my binary call option pricer (using explicit finite difference, backward scheme) correct? [closed]

I am using explicit finite difference (backward scheme) to price a binary call option. Here is my MATLAB code: ...
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1answer
1k views

Calculating arbitrage- S&P 500 stocks vs S&P 500 Index future?

How exactly would I go about investigating whether the S&P 500 stocks were currently over-valued compared with the price of the S&P 500 Index futures contract? Is it just a case of taking each ...
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1answer
28 views

Futures Exchanges and marking to market [closed]

When a futures exchange marks to the market, does it "help" the losing side or winning side. According to my knowledge, it makes the losing side lose even more by deducting from their margin account? ...
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1answer
358 views

Log-moneyness definition [closed]

Define the time-0 log-moneyness of a call on stock $S$ with strike $K$ and expiry $T$ to be: $$\log(S(0)\exp(rT)/K)$$ What does it mean for the strikes K to be at-the-log-moneyness?? I guessed this ...
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233 views

Increasing the correlation of two asset reduce the value of spread option.

We know the payment function of Spread option is $$\max\{X_T - Y_T-K,0\}$$ here $$d X_t = (\mu_x - D_x)X_t dt + \sigma_xX_td W^x_t$$ $$d Y_t = (\mu_y - D_y)Y_t dt + \sigma_yY_td W^y_t$$ $$d W^x_td W^...
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1answer
889 views

Why do we need derivatives? [closed]

I read somewhere that derivatives are the biggest weapons of financial destruction. Why do we need derivatives? If exploiting risk-proneness of people to make profit is the goal, why don't we stop ...