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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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8
votes
1answer
291 views

Replicating a portfolio with a certain payoff function

Assume there are two stocks $S_1$ with price $p_1(t)$ and $S_2$ with price $p_2(t)$ where $t$ indicates time. Assume, there is a hypothetical derivative $D$, which is such that, price of $D$ at a time ...
0
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1answer
167 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 ...
1
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0answers
62 views

The interpretation of discounted Greeks

I understand that Delta measures the rate of change of the theoretical option value with respect to the change of the underlying asset price. This also represents the number of shares a call option ...
0
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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 ...
0
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1answer
70 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 ...
0
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1answer
91 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 ...
4
votes
1answer
299 views

Pricing the Passport option

Suppose underlying asset $S$ $$dS = \mu Sdt + \sigma Sd W$$ our portfolio $\pi$ consist with $q(t)$ stock $S$ and cash $\pi - qS$...
3
votes
2answers
1k views

Delta Hedging with fixed Implied Volatility to get rid of vega?

I'm wondering if i should use a floating IV or a fixed IV to delta hedge my options every day. I've read this post but would like different information : Delta Hedging with fixed Implied Volatility ...
1
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0answers
60 views

Solving for roots of a stochastic pay-off function

I have a pay-off function for a derivative which is defined by the Heaviside difference between $G$ and $B$ shifted by $-F$. To find the value of $V_{t=0}$, I need to find $\tau$ when $\frac{dV}{dt} = ...
2
votes
3answers
177 views

Why don't we take the differential to the Delta in the Delta hedge-portfolio

For option $V(S,t)$ with underlying asset $S$, we have a hedge portfolio $$\Pi = V(S,t) - \Delta(S,t)S$$ I always confuse here, when we take the differential of $\Pi$ $$d\Pi = dV -\Delta dS$$ why ...
1
vote
1answer
294 views

How to use reflection principle to solve the analytic solution of double barrier-out-call

We consider up/down-out-call whose payment $$V(T,S_T) = \Psi(S_T)\mathbb{II}(S_T),\ V(t,B) = 0.$$ Here the range constraint function is ...
2
votes
1answer
114 views

Cap option on Libor

We denote discount factor $D(t),$ zero coupon bond $B(t,T),$ $E_t[X] = E[X|\mathcal{F}(t)]$ and $T$-forward measure $E_t^{T}[\ ]....
1
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1answer
655 views

Why does a futures price converge to a spot price?

I've sort of get the arbitrage logic of it, i.e if the futures price is more expensive than spot price, then investors would short the contract and buy the asset for delivery. Correct me if i'm wrong. ...
0
votes
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;...
6
votes
1answer
742 views

Black-Scholes formula for Poisson jumps

For underlying asset $$d S = r S dt + \sigma S d W + (J-1)Sd N$$ here $W$ is a Brownian motion, $N(t)$ is Poisson process with intensity $\lambda.$ Suppose $J$ is log-normal with standard deviation $\...
-1
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1answer
493 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 ...
1
vote
1answer
118 views

What is the best trading simulation platform for futures, swaps, options, etc.?

I've just started studying derivatives from the "Options, futures, and other derivatives - J.C. Hull" and I'd like to see how to do hedging and trading transactions through a simulation platform or a ...
2
votes
1answer
53 views

Factors that make sell-side valuations of equity derivatives differ

If I ask a sell-side desk "A" for a "valuation" of a relatively simple OTC product (equity derivative, or 1st generation equity exotic), what are the reasons/main reason why a different sell-side desk ...
2
votes
1answer
2k views

How to understand the market price of risk

Consider the stochastic vol: $$dS = \mu Sdt + \sigma SdW_1$$ $$d\sigma = p(\sigma,S,t)dt + q(\sigma,S,t)dW_2$$ $$dW_1dW_2 = \rho dt$$ We want to obtain the price of option $V(\sigma,S,t),$ we use the ...
1
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0answers
54 views

Boundary condition of lookback option

This is a well know conclusion of the boundary condition of lookback option. Here $$\dfrac{d S_t}{S_t} = (\mu - D)dt + \sigma ...
2
votes
2answers
148 views

Why is option value different from discounted CF [closed]

as stated: why other assets' value can be determined by taking into consideration their expected cash flow (CF)? I read an argument which refers to arbitrage, but I wonder is there an additional ...
-3
votes
1answer
284 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^...
1
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0answers
43 views

Floor option EVE risk: Sum of key rate shocks risks vs. the rates parallel shock risk

Consider a model measuring the EVE risk (change in the economic value by shocking the rates; PV01) of a portfolio of vanilla interest rate floor options. Is there any reason for the EVE risk of a ...
2
votes
1answer
158 views

When a particular bond is delivered, why there is the need to define a conversion factor? What is its utility?

Where, the conversion factor for a bond (by John C. Hull) is set equal to the quoted price the bond would have per dollar of principal on the first day of the delivery month on the assumption that the ...
6
votes
2answers
278 views

What are the books in which to study the basics of the derivative financial instruments?

Books similar to Options, Futures, and Other Derivatives by John C. Hull. I need another academic book that explains the basics of quantitative finance derivatives (forward, futures, options)
3
votes
2answers
196 views

The PDE of caplet and floors

I know following PDE is the continuous payment case, but a caplet pays as rate: $\max(r - r^*,0),$ use the hedge portfolio $\Pi = V- \Delta Z$ $$d\Pi = dV- \...
4
votes
1answer
181 views

Pricing an “equity protection” derivative: a practical example

This is the derivative security (its underlying index is the S&P 500): time to expiry $=4.8$Y; payoff calculation (0): on the expiry date, give a look at S&P 500 and let its price to be $S_{T}...
2
votes
2answers
2k views

why futures contract has no value

Can any one tell me, why futures contract has no value? We know that the value of future(Maybe I confuse the concept of ...
1
vote
1answer
78 views

Is it possible to approach finding the risk premium of this derivative using Ito's Lemma?

I understand the author's intended solution to the below problem, but I thought I would see if I could solve this using first principles and Ito's Lemma instead for practice. Let $V(S(t), t) = e^{rt}\...
1
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0answers
169 views

Valuing cleared cancellable swap

I have a cancellable swap to value, with the float leg payer being a clearing house. The cancellable term sheet states the interest rate swap has a Bermudan style optionality for early termination ...
1
vote
2answers
522 views

Prove that the vertical spread condition is bounded

I need to prove that vertical spread is bounded, by using no arbitrage condition. 0 > (C(T,K1 )- C(T,K2))/(K1- K2 ) >-e^(-r*T ) I have documented my ...
0
votes
1answer
171 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 ...
1
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0answers
443 views

Funding Valuation Adjustment (FVA) - understanding issues

Having trouble with understanding the logic of FVA. Let's assume that as a trader I trade with a client an uncollateralised fx forward. Then, I hedge my position with "risk-free" bank with which I ...
5
votes
1answer
145 views

Why is the implied volatility on Bank of Tokyo-Mitsubishi UFJ trending so high?

For the last few weeks, the 12-month ATM call implied volatility of MUFG (TSE 8306) has been trending around 30-35% (according to Bloomberg). This is by far the highest of the major Japanese banks by ...
0
votes
1answer
155 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 ...
3
votes
1answer
2k views

Bloomberg scripting language (BLAN)

Did anyone work with Bloomberg scripting language (BLAN is the name I guess). If so is it really flexible and is it competitive with other valuation services (say Super Derivatives). Does it enable ...
2
votes
0answers
165 views

Derivative and Credit Risk Modelling

I am looking at acquiring a system to help with multi-instrument modelling. Across the spectrum Equity/FI/Swap/Repo/CDS/FxSwap/Forward/Future/etc for vanilla and more complex derivatives. The modeling ...
0
votes
1answer
80 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 ...
1
vote
2answers
459 views

Black Scholes biases

I have been doing some research regarding options pricing (particularly using B.S) and have come across two research papers which discuss how the Black Scholes model has a tendency to overprice and ...
17
votes
1answer
998 views

Probability distribution of maximum value of binary option?

A binary option with payout \$0/\$100 is trading at \$30 with 12 hours to expiration. Assuming the underlying follows a geometric Brownian motion (hence volatility remains constant), what ...
1
vote
1answer
672 views

Which models do Bloomberg/Reuters use to derive implied volatility for interest rate derivatives with negative forward rates?

can anybody tell me which models Bloomberg and Reuters ares using to derive implied volatility for interest derivatives with negative forward rates? I know that Black-76 is the standard model, and ...
1
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0answers
50 views

References on Pricing commodity forwards

Any good reference on pricing simple forward contracts with source code? Thanks
1
vote
1answer
121 views

Beginner question about basis risk

new to the area, and had a question about basis risk. If I entered into a receive fixed pay 1mo Libor swap, why is it good for me if the 1x3 month Libor widens and bad for me when it tightens. Also ...
2
votes
1answer
265 views

What is the filtration described?

What is the filtration $(\mathfrak{F}_t)$ encircled below? Is it $(\mathfrak{F}_t) = (\sigma(W_t)) = (\sigma(\tilde{W_t})), t \in [0,T]$? Or is it $(\mathfrak{F}_t) = (\sigma(\hat{W_t})), t \in [0,T]...
5
votes
3answers
620 views

How to hedge a derivative that pays the reciprocal of the stock price?

1) Suppose S is the stock price, how to hedge a derivative that pays $1/S_t$ at time $t$? 2) Suppose there will be a dividend of amount $d$ between $t$ and $T$, how to hedge a derivative that pays $...
1
vote
2answers
4k views

Long/Short Vega and Option Positions

Why do you get long vega when you buy an option and short vega when you sell an option? I would have thought that for both buying and selling options the vega would change according to whether the ...
0
votes
0answers
416 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 ...
2
votes
1answer
369 views

Interpretation of Open Interest for Options

Please define Option Open Interest, its interpretation, and why it matters? From my understanding, option open interest describes the net of long-short outstanding call or put options. But I do not ...
0
votes
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 ...
1
vote
0answers
87 views

Scaling Stock Price and Strike etc. by a Constant

Please provide steps to justify the below. 1) If the stock prices, strike and other price related parameters are scaled by the same constant, will the derivative price scale accordingly? I would ...