Questions tagged [exotics]
The exotics tag has no usage guidance.
103
questions
1
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0answers
47 views
Hedge robustness of the one factor Hull White model
I recently came across a quote in a book:
"All single factor models share the limitation that shifts in curve levels cause shifts in the package of vanilla options that are a good hedge for the ...
1
vote
1answer
40 views
Confusion about optimal choices with exotic options
With exotic options, holders usually face choices at certain times. In my understanding, the price of the option is determined by assuming the optimal choice is taken and computing the discounted ...
2
votes
0answers
42 views
Confusion about American style option
In American style exotic options, the holder is often faced with choices at certain times during the life span of the option. Following the/an optimal choice allows the user to maximize the value of ...
1
vote
2answers
64 views
Graph of a down-and-in barrier option
Here is a graph of Price vs Spot from Joshi's Quant Interviews book,
The first line is a down-and-out barrier option and the other one is a down-and-in barrier option. The strike is 100 and the ...
1
vote
0answers
56 views
How to price a down-and-out leveraged barrier call option using Brownian motion?
I am trying to price a type of leveraged down-and-out (LDAO) barrier call option, using geometric Brownian motion.
My python script is below. I am not sure how to correctly model the increasing ...
2
votes
1answer
83 views
What are the formulas to compute the greeks of a gap option?
I'm having a problem to calculate the gap option greeks since there are 2 different exercise prices K1 and K2. Do you know the answer or where can I read about these particular greeks?
2
votes
1answer
102 views
What kind of entities use exotic derivatives, and do they serve any purpose other than hedging risk?
I work in a sell-side bank in derivatives modeling. My work involves modeling and pricing of exotic derivatives and I often wonder who are the buyers of these products.
From my research, I found that ...
3
votes
0answers
45 views
Pricing/Hedging a yield curve spread option (YCS)
I have 2 perspectives as to what model to use for a YCS option:
It is an at the expiry option, so hit the marginals, correlate them with a copula, and be done with it.
To hedge the vega, I will need ...
2
votes
1answer
95 views
Bermudan option exercise probability when rates rise
I am looking for an explanation of what happens to the Bermudan exercise probability (i.e. does probability of early exercise go higher if rates rise or lower) w.r.t rates. This is of course with ...
2
votes
0answers
24 views
Local v/s global calibration for a Bermudan Option (calibrate co-terminals vs entire matrix)
I am quite new to rates modeling and I have a question on the pros and cons of calibrating to larger set of vanilla instruments v/s calibrating to an exotic's 'natural' hedges. For example, I could ...
0
votes
0answers
35 views
Barrier option with zero-strike
Good morning, everybody,
I would like to know whether an up-and-out call option with a zero strike has a special name in the list of exotic options or is still a special case of a barrier option..
...
0
votes
0answers
61 views
Types of financial derivatives
I am looking for an explanation for different types/grades of derivatives.
For example we have various asset classes:
equities
FX (currency)
derivatives, etc.
Or different types of secured debts, ...
3
votes
0answers
78 views
How to monetize ability to predict small stock movements smaller than spread?
For a relatively small subset of stock symbols I have been able to build a model that is able to 20-100 times per day consistently predict whether a stock is going up within the next 2 minutes, being ...
0
votes
0answers
35 views
Valuing Long-Term (5+ year) Cliquet Options
I'm trying to figure out how to value long term equity cliquet options with expirations 5+ years out. Even for SPX cliquets, vol surfaces are from what I can tell non-existent. Where would someone get ...
2
votes
0answers
61 views
Average Strike Option with bounds
I'm looking to price a call option with an exotic feature. The price I'm trying to calculate at time $t=0$ is
\begin{equation}
C = E^\mathbb{Q}[(S_T-K_T)^+]
\end{equation}
where $S_t$ is the stock ...
1
vote
2answers
87 views
Deltas on Barrier options vs Vanilla options
In "Heard on the Street" it states that
$$\Delta_{\text{up and out call}} \leq \Delta_{\text{standard call}} \leq \Delta_{\text{down and out call}}$$
Is there an intuitive explanation for why this ...
0
votes
3answers
97 views
Formula for the discounted payoff of a digital option
In "Heard on the Street" it states that the expected discounted payoff of a digital option is
$$H\exp^{-r(T-t)}N(d_2)$$
where $H$ is the payoff of the option, the exponential is the discounting.
...
1
vote
0answers
65 views
Proving an Expectation
Assume the risk-free bond $B_t$ and the stock $S_t$ follow the dynamics of the Black & Scholes model without dividends. Consider the perpetual American put option with payoff $(K-S_\tau)^+$ when ...
2
votes
1answer
184 views
Floating Strike Lookback Call Option
Assume the risk-free bond $B_t$ and the stock $S_t$ follow the dynamics of the Black & Scholes model
without dividends (with interest rate $r$, stock drift $\mu$ and volatility $\sigma$).
If $r=\...
1
vote
0answers
58 views
Exotic Derivatives Model Calibration
Suppose if we will like to price an exotic option with a model,we calibrate them to natural hedging instruments that are available in the market. Do we use all the instruments as hedge or only a ...
1
vote
0answers
66 views
Pricing exchange options
I am really puzzled about the mechanism of pricing of exchange options using a change in numeraire:
Suppose that $S^{(1)}$ and $S^{(2)}$ are stocks satisfying SDEs
$$dS^{(1)}_t = \mu_1 S^{(1)}_t \,...
2
votes
0answers
56 views
what is the state of the art method for hedging barrier options?
I want to create my own Barrier options for some security, I want to trade. I did some literature review, and found a static replication method, and many dynamic replication methods. I want to know ...
3
votes
0answers
58 views
What models are used for pricing cliquet options (esp. for Asian Equity underliers)? How good is Bergomi model?
What are the most common models, actually used by trading desks for Asian underliers, for pricing cliquet options?
I would like to know both - (1) the production model used for daily P&L, and ...
2
votes
0answers
98 views
Kingdom of Denmark Nikkei put warrants
I have read in a book from Emanuel Derman that Goldman Sachs manufactured a derivative in the early 90's that consisted of buying cheap puts on th Nikkei index (and paid in Yen), combined them which a ...
2
votes
0answers
38 views
Dimension reduction for worst of basket on $min(S_1, S_2)$
Suppose we want to price an exotic equity which is a function of $min(S_1, S_2)$. To do this, I'm trying to compute an implied volatility surface for $min(S_1, S_2)$ and then price the option using ...
2
votes
1answer
82 views
Hedging an option on a non-traded asset in BS world
I have given the following task given.
Suppose you are in a Black-Scholes World where you have the standard assets
$$ dS_t = \mu S_t dt + \sigma S_t dW_t $$
$$ dB_t = r B_t dt $$
and now you also ...
2
votes
1answer
641 views
How to price a phoenix and snowball type autocallable options?
I'm currently studying the pricing of autocallable options, especially snowball (accumalated coupon) and phoenix (accumlated coupon, but the coupon may also be autocalled if the underlying price ...
3
votes
1answer
194 views
Can we use Black-Scholes to price path dependent options?
I know that we can use the Black-Scholes framework to price vanilla products like a European call or put, where the payoff only depends on the share price at maturity.
But can we use it to price path ...
2
votes
0answers
83 views
Bates Model Jump Percentage Parameters
I am trying to calculate the jump parameters for the Bates volatility jumps, specifically, the mean of the jump percentages, $\mu_j$. For the value of $J$, I am using jumps $|\frac{s_{i}-s_{i-1}}{s_{i-...
3
votes
0answers
65 views
Rainbow option pricing formula under *Bachelier* model
Let's consider a call on min option on two underlying arithmetic Browniation motions $V_t$ and $H_t$ (no drift). Let $P_t$ denotes the price process of the option, $r$ the riskfree rate, $\tau$ the ...
5
votes
1answer
348 views
Exotic Trading Basic Questions - Banking
I just joined a support team for an equity exotic trading desk in a bank, I am looking for a high level overview of how exotic trading works in a bank.
For my questions let's take a common product: ...
1
vote
0answers
62 views
Swaption pricing and strategies
I am looking for resources (books, papers, websites, etc.) that deal with Vanilla and Exotic swaptions from a more advanced and quantitative perspective. I am interested in both the pricing side (e.g. ...
1
vote
1answer
48 views
In search of double barrier out option on a BM
We have a BM $X_t$ with $dX_t=\sigma dB_t$ ($X_0$ not necessarily zero!) under the risk neutral measure $\Bbb Q$. Given upper barrier $U$, lower barrier $L$, "strike" $K$ such that $L<X_0<U, L&...
2
votes
2answers
350 views
What is the best book to learn about local vs. stochastic volatility, modelling and pricing of Exotics?
I am starting to delve into the world of Exotics and I am trying to find a rigorous yet understandable book that covers both mathematically and qualitatively (especially mathematically) the following ...
5
votes
1answer
232 views
How frequently is local volatility calibrated to implied vol surface, in practice?
This has two related questions -
How frequently do equity derivative traders re-mark the implied volatility surface -
(i) once a day (e.g. at start of trading day, or end-of-day), or
(ii) ...
0
votes
1answer
87 views
Multi-legged Swap pricing
can anyone guide me how to price a multi-legged swap and whether I need Monte Carlo / LMM based approach or if there is a closed form solution.
Receive leg
"Libor 3m +1%"
Payment leg
If Libor is ...
2
votes
1answer
146 views
Why do we have to use in-the-money paths in LSMC, and how?
In Longstaff's original LSMC paper (Valuing American Options by Simulation: A Simple Least-Squares Approach, 2001 (link)), it is claimed that one should only use in-the-money paths for regression at ...
1
vote
1answer
123 views
How to hedge x gamma in callable prdc?
How do you hedge the short rates - fx cross gamma in a callable PRDC (Power Reverse Dual Currency note) ?
2
votes
1answer
100 views
Finite difference methods for (continuously) strike-resettable American options
For simplicity, let us consider an American call/put with a continuously resettable strike price. Current time is $t=0$, maturity is at $t=T$, and the initial strike is $K_0$. We consider a "...
1
vote
0answers
84 views
Pricing an exotic with barrier at discrete times
How would you price the following option on underlying $S$ without dividends?
Time to maturity of option $\tau = 12$ months
Option has a strike $K > 0$ and constant barrier $B > 0$.
$t_0$ is ...
2
votes
2answers
173 views
Is it possible to model path-dependent clauses using finite difference methods?
I'm trying to build a convertible bond pricer. In my case a convertible bond is a complex derivative with call, put and conversion price reset clauses, and all of the clauses are triggered in a path-...
7
votes
1answer
162 views
Quanto basket payoff
I have a payoff that is the worst of the returns two indices: S&P500 (SPX) and Euro Stoxx 50 (SX5E).
$\pi = \min \left\{\left(\frac{\text{SPX}_\tau-\text{SPX}_0}{\text{SPX}_0}\right),\left(\frac{\...
2
votes
0answers
847 views
Cash-or-nothing and Asset-or-nothing price derivation
I was wondering how to derive the price of a cash-or-nothing and asset-or-nothing option by trying to work out the expectation under the risk-neutral measure, while assuming that the underlying ...
2
votes
0answers
189 views
Exotic derivatives - Replication
I would like to replicate the payoff Max(0, Min(S1, K) - S2) with a combination of the following derivatives:
-> option on S1, strike of our choice
-> option on (S1-S2), strike of our choice
-> A ...
4
votes
2answers
497 views
Pricing and hedging fund-linked derivatives
I am looking for info regarding pricing, and hedging (notably vega and delta) of derivatives on funds.
Could you please confirm/complete the below information I believe I've understood so far, or ...
2
votes
0answers
120 views
Barrier Option with Time-Dependent Rebate
Is there a closed form solution for American Single-Barrier Options (specifically Down-and-Out Calls) which undergo linear principal amortization based on the amount of time passed before being KO'ed?
...
3
votes
2answers
518 views
Flaw in the following argument with Binary Options and Skew
A Binary option is ATM and expires tomorrow. If the skew of the vanilla options steepens (left side up, right side down) what happens to the price of the Binary Option.
I know that using a ...
2
votes
0answers
326 views
Pricing of multi strike rainbow options
I am looking at the pricing of a two asset multi strike option in the Black Scholes framework but I am struggling with coming up with a pricing formula.
The payoff of the option at maturity is \...
1
vote
1answer
2k views
Autocall replication using vanilla options
How to replicate a single asset auto call through call spreads ?
Single asset auto call: Definition and pay off profile is clear. Just want to know the method to replicate it through vanilla call ...
7
votes
2answers
844 views
Multithreading Monte-Carlo pricing in QuantLib for a single product
I've been actively using QuantLib for structured product pricing using Monte Carlo. Due to the fact that at a great deal of paths are often needed and one needs to speed up the calculation and all ...
