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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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1answer
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 ...
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1answer
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 ...
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1answer
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. ...
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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 ...
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1answer
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—...
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2answers
526 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 ...
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1answer
134 views

Black 1976 caplet value

I've seen from two sources different formulas for the caplet value (Black 1976): $$Caplet_1 = N\cdot DiscountFactor_{0,k}\cdot yrFrcn_{k,k+1}\cdot [F_{k,k+1}\cdot N(d_1) - R_k\cdot N(d_2)]$$ $$ ...
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1answer
196 views

How do I value uncollaterised swaps?

Do I need to discount using the OIS curve? Then add some sort of FVA adjustment over and above the CVA/DVA? How do I work out a banks cost of funding? Any help would be greatly appreciated. ...
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1answer
90 views

Is there a way of synthetically deleveraging a Real Estate portfolio?

If I manage a Real Estate portfolio with approximately 400 million in debt, which is roughly 50% Loan-to-Value (the properties are worth about 800 million). Is it possible to synthesize a bond ...
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1answer
79 views

How to synthesize this derivative security using plain vanilla call options?

A derivative security pays a cash amount c if the spot price of the underlying asset at maturity is between K1 and K2, where 0< K1 < K2 and expires worthless otherwise. Q: how to construct ...
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1answer
133 views

Derivatives (Forex Forward) [closed]

Good day, Please, consult me about Forex Forward Swap (Ex. pair USD/RUB). I am trying to calculate and cant understand, how it works. For example: I have: USD/RUB Fwd points 3M - 19650/19950 IR - 10....
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1answer
101 views

Does presence of arbitrage necessarily make all derivatives have zero value?

Spin-off from: Pricing when arbitrage is possible through Negative Probabilities or something else I mean in a theoretical sense: If we have a particular market model with some fancy assumptions such ...
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1answer
50 views

Can someone explain to me the intuition behind the discount factor for this simple payoff? [closed]

Let's say you enter into a contract today in which in time t, you receive the difference between the underlying stock price and 100. Denote the stock price as S. Why is today's value of such a ...
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1answer
37 views

Where can I find the formulas to compute the Greeks for European Call and Put Options Assuming no annual dividend yield?

Every formula I come across involves a $q$ (the annual dividend yield). Where Can I find the formulas to compute the greeks assuming no dividends?
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1answer
50 views

Swap Pricing - Using forward rates vs using par bond after first floating payment

There seems to be two different methods I have come across for valuing a Interest Rate Swap - specifically the floating leg. One method described by Hull: incorporates the cashflow from the first ...
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1answer
316 views

how to derive the cost of carry formula

Can anyone explain why the cost of carry formula looks like this: $$F_0 = S_0 \cdot e^{(c-y)T}$$ ,where $S_0$ equals the spot price when $T=0$, i.e. today. $c$ denotes the cost of carry and $y$ the ...
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1answer
90 views

Why can derivatives be viewed as a portfolio of the underlying and the riskless asset?

I am struggling with the statement: "Every derivative of the underlying can be viewed as a portfolio of the underlying asset and the riskless asset." Is this based on the put-call parity? Also I ...
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1answer
126 views

How is the performance measure computed here?

The image is from John C Hull Textbook titled Options, Futures and Other Derivatives ( page 407 - Ninth Edition). The table above was obtained after computing the delta of stock price, shares ...
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2answers
66 views

Why can a deterministic portfolio only grow at risk free rate

In black scholes derivation we assume that portfolio grows at risk free rate because the process is deterministic, my question is why is it riskfree rate? If i have information about some event in the ...
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1answer
482 views

Is Red Code unique per derivative instrument

Does RED Code (="Markit Reference Entity Database Code") uniquely identify the derivative that has been traded? Is it possible to get a derivative's ISIN code from RED Code?
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1answer
708 views

How to use USD OIS discounting for local currency uncollateralised swaps?

I am wanting to do MTM valuations of uncollateralised swaps as our banks have switched to using the USD OIS curve for their discounting (assuming no xVA adjustments). None of the cashflows we are ...
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1answer
141 views

Zero value of cash flow for future in Shreve's book

Here is the statements of future price in Shreve's book Stochastic Calculus for Finance II page 244 to proof the ...
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1answer
166 views

How do I modify my basic black scholes model in Excel to price american options?

I've modeled a basic black scholes model in Excel and I have been using it to price European options for backtesting purposes. This has been working fantastically and I would like to adjust this to ...
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1answer
66 views

CDS for Funding

I was wondering if anyone is familiar with how credit default swaps can be used for corp funding and financing. I came across an old case where a bank created a funding structure for a client (asset ...
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1answer
60 views

Value of American option after exercise

Suppose $V^+(S,t;K)$ is the value of a American option with strike $K$ before the exercise, and $V^-(S,t;K)$ is the value after exercise. Then how to understand the inequality $$V^+(S,t;K)\geq V^-(S,t;...
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1answer
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 ...
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1answer
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 ...
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1answer
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 ...
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1answer
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 ...
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2answers
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 ...
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1answer
93 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?
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0answers
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 ...
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0answers
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 ...
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0answers
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 ...
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0answers
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 ...
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0answers
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/...
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1answer
158 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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0answers
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 ...
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1answer
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 ...
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0answers
411 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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2answers
253 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
482 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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1answer
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) ...
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2answers
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 ...
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0answers
54 views

Exotic Traders: Trading Decision [closed]

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 ...
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1answer
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 ...
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1answer
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: ...
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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
29 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
497 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 ...