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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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32 views

Relation between ATM, RR and BF

In FX derivative market, why does vol spread of ATM > RR > BF? ATM is the most liquid and intuitively it should have the lowest spread. Please help me in understanding the rational behind the above ...
122 views

IVF and implied distribution of underlying in John Hull's book

There is a statement in John Hull's book Options, Futures and Other Derivatives 9th page 633 for the relation between ...
3k views

Why does increased stock borrow costs decrease a stock's forward price?

The author in this article -- http://streetwiseprofessor.com/?p=7294 -- states that an increase in stock borrowing costs decreases a stock's forward price: In the absence of manipulation, the ...
85 views

Finding todays price of a derivative

Today's market prices for European call options $c(T;K)$ and put options $p(T;K)$ with maturity T and any strike K. Let $B_t = e^{rt}$ be the price of the risk-free bond and St the price of the stock. ...
80 views

Why would a buyer buy a Warrant vs an Option, both having the same economics

Assume you have a Warrant and an Option both with the same economics i.e strike, expiry, type etc. Also assume that the Warrant has been issued by a high grade reputed issuer (i.e there is a almost a ...
58 views

If short rates $r(t)$ do not determine the bond prices $P(t, T)$, then what is the basis for short rate models?

The question title says it all: We know that in general, specifying the short rate $r(t)$ does not specify the bond prices $P(t, T)$. So how can a model for short rates—for example the Vasicek model—...
515 views

Proof Black Scholes Theta

I saw the following proof of theta in a paper I read, and I thought it looked pretty neat. Unfortunately I don't understand the step that they do. This is what they do: Now, I don't get how they go ...
134 views

167 views

Arbitrage problem [closed]

Question A share of non-dividend paying stock is trading at USD 30. The maturity of both options is 1 year from now. A put with a strike of USD 28 is trading at USD 1 and call with a strike of USD 29 ...
71 views

How do option traders choose the strikes and maturities?

How do option traders choose their strikes and maturities ? Like why would one roll XX% puts in their protection leg instead of YY% puts, or why choose specifically XX%/YY% as the strikes in a ...
153 views

How to produce historical prices of an option?

Let's say we have an option with underlying stock X and 2 years until maturity. We work out its volatility from X's historical prices across 3 trading years (756 days). To price the option, I can use ...
71 views

Measuring Medium-term Inflation expectations and real interest rate from OIS and Inflation Swaps

In this speech by Mario Draghi, in section '2:Responding to high unemployment', and subsection 'Boosting aggregate demand', Mario states «Over the month of August financial markets have indicated that ...
976 views

Why does Futures contract credit and debit a position daily, if it has “locked” the price?

I thought I had understood futures contract. But it seems the daily settlements betray my understanding. Futures contract provides price & product safety to involved two parties. E.g. Wheat ...
88 views

What happens to both sides of an inflation swap agreement if there is deflation?

If there is deflation does the Inflation receiver not only pay the fixed leg but also receives a reduced CPI? I.e. does he lose twice?
39 views

Solutions for Paul Wilmott Derivatives Book

I am looking for solutions manual for Derivatives, "the theory and practice of financial engineering". I'm not sure if the manual is published ever but I couldn't get it. I would be more than happy ...
39 views

Possible to have different collateral for each party?

Normally bilateral credit support annexes would have both parties post/receive the same collateral be it US treasuries or cash etc. Are there CSAs Where each party has a different set of eligible ...
42 views

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 ...
17 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 ...
37 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/...
155 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 ...
144 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 ...
129 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 ...
409 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 ...
252 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....
481 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 ...
78 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) ...
43 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 ...
52 views

I am curious to understand the mind of an exotic trader. Suppose if you just sold an exotic option and want to hedge out some greeks risk of your exotic option, would you hedge your gamma or your vega ...
2k 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 ...
520 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: ...