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Questions tagged [option-strategies]

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Replicate a Portfolio with Given Payoff

Looking for a convincing general strategy [not trial and error] to solve these kind of questions: Any help will be super helpful! Thanks a bunch! Replicate a portfolio on an underlying asset $S$ ...
user31052's user avatar
47 votes
13 answers
80k views

Are there any good tools for back testing options strategies?

There are all kinds of tools for backtesting linear instruments (like stocks or stock indices). It is a completely different story when it comes to option strategies. Most of the tools used are ...
vonjd's user avatar
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16 votes
3 answers
11k views

What really is Gamma scalping?

How does Gamma scalping really work? It seems there is no true profit scalped. If we look at the simplest scenario, Black-Scholes option price $V(t,S)$ at time $t$ and the underlying stock price at $S$...
Hans's user avatar
  • 2,806
0 votes
0 answers
313 views

Exotic option arbitrage

Suppose an exotic European option has a sub hedging (price being lower than the target) portfolio of vanilla European options all with the same expiry as the exotic option. The sub hedging portfolio ...
Hans's user avatar
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20 votes
2 answers
29k views

Gamma Pnl vs Vega Pnl

Why does Gamma Pnl have exposure to realised volatility, but Vega Pnl only has exposure to implied volatility? I am confused as to why gamma pnl is affected (more) by IV and why vega pnl isnt affected ...
Trajan's user avatar
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10 votes
2 answers
3k views

How to calculate the most realistic historical option prices with additional publicly available parameters

This is a follow up question of this one. My aim is to create the most realistic historical option prices possible with publicly available data. I want to do this for backtesting purposes. The ...
vonjd's user avatar
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26 votes
3 answers
8k views

Papers about backtesting option trading strategies

I am looking for all kinds of research concerning option trading strategies. With that I mean papers that publish results on different option trading strategies properly backtested with real-world ...
vonjd's user avatar
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19 votes
2 answers
5k views

How can I learn about the quantitative aspects of market making in illiquid single stock options?

I would like to learn more about the possible ways of doing quantitative research regarding option market making. In particular, while the mainstream index option market may be very liquid, the ...
Soham's user avatar
  • 305
13 votes
1 answer
2k views

Risk management tools for long term Gamma/Vega sellers subject to margin calls

TL;DR: if you're a retail investor and you systematically sell long-term vertical spreads while staying Delta-neutral, your main risk comes from Vega and the Gamma of opening gaps that can throw you ...
Lisa Ann's user avatar
  • 2,133
7 votes
4 answers
839 views

Implied volatility of a complex options position

Assume I have a "complex" options position like a straddle, strangle, or iron condor. In other words, several options traded together as a single position against one underlying asset (not a basket ...
strimp099's user avatar
  • 2,106
6 votes
2 answers
1k views

How to trade leveraged ETFs

Leveraged ETFs (LETFs) are known to lose value over time due to the "volatility decay" effect. What're the most common strategies for trading LETFs to take advantage of this volatility effect? Also, ...
T. Reuter's user avatar
6 votes
2 answers
3k views

What is gamma to do with realized volatility?

I keep hearing that gamma is a bet on realized volatility. That is, if we are long gamma then we need higher realized volatility to come in the future in order to make a profit. from other source: If ...
dopller's user avatar
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6 votes
2 answers
6k views

Why a calendar spread is a preferred strategy in a low volatility period

What is it about a calendar spreads opposed to other spreads (e.g vertical spread) that makes it such a popular strategy for a period of low implied volatility? Is it that when low volatility turns ...
Victor123's user avatar
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3 votes
2 answers
1k views

Why/How does a hedged portfolio make profits?

This is probably a very easy question but I am new to the field and couldn't find an answer. Assuming that I am building a hedged portfolio with a long option and going short delta on the underlying. ...
mowgli's user avatar
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3 votes
3 answers
13k views

Funded equity collars and margin loans

There is an article in the Financial Times today concerning equity funded collars [1]. The equity collar structure is used by a counterparty $A$ which wants to build up a position in a stock $S_t$. ...
Daneel Olivaw's user avatar
1 vote
1 answer
120 views

P/L table for a delta hedged position

I am trying to replicate the table at pag. 119 of Dynamic Hedging by N. Taleb with no success. In the example called "A misleading delta" an operator has the following position: long \$1 ...
Enrico's user avatar
  • 111
1 vote
1 answer
397 views

Upper bound option price in volatility dimension

All, I have a theoretical question about the value of an option when spot price goes to infinity as a function of volatility going to infinity. I know that for a call option: The option value ...
Pim's user avatar
  • 117
0 votes
1 answer
505 views

Barrier Reverse Convertible

I am a finance student and during my free time I try to understand more financial products. Today I have found a term sheet for a specific type of barrier reverse convertible but I couldn't understand ...
Rheromaster's user avatar