Questions tagged [trading]

Attempting to profit from short-term fluctuations in a security's price as opposed to investing in the security for use or income.

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1answer
44 views

How am I buying at the bid?

I've done some active trading in my personal account at Fidelity. With surprising frequency when I enter market orders I am filled at the bid for buys and at the ask for sells! How and why does this ...
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56 views

Trading options - real life vs. textbook?

I'm a Management with Finance student and we have recently learned about options. Because I find it easier to learn these things when I have some context to apply them to, I put $100 in my brokerage ...
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54 views

Books on options trading with a practical bent?

just curious to see if anyone here has come across a book or books on options trading with the practitioner in mind? My lecture slides for instance, go through black scholes and the ins and outs of ...
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46 views

Where do trades take place when the stock exchange is closed?

Some markets support pre-market and after-market trades. These trades take place outside the opening hours of the stock exchange. My questions are: If the stock exchange is closed, how and where do ...
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19 views

Average daily move from implied volatility of risk reversal

I'm trying to understand an example in Euan Sinclair's Option Trading book. On page 239 he gives a risk slide and pnl from a long 30 delta put short 30 delta call position. He says the implied ...
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14 views

Trying to grab 2 years blocks of symbol data and would like to exclude symbols that havent traded at least 2 years

Normally I pull all the data I can, this is a very expensive operation. Usually I'm working with 504 trading days plus a month or maybe a quarter of lead time. So I'd interpolate and then count the ...
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34 views

Optimal Cash Deployment in a Bear Market

Assume: You can't time the market bottom You have a finite amount of cash to buy equities There are P dip/bear periods you're gonna purchase the equity 2 Problems: You deploy too much cash early, ...
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75 views

Once the client buys a structured product, what does the trader do?

These are simple questions, i know what is a structured product and how you price it but i'm a bit confused regarding the process. Let's say client buys a simple product for 1Y, guaranteed capital ...
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37 views

Literature and Intro to Dispersion Trading

I am familiar with the basic idea of the dispersion trade i.e. index vol vs constituent vol and implied correlation. I am wondering if there are any standard resources (pdfs, books, presentations) ...
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47 views

What does proprietary trading for derivatives mean?

I understand traditional asset management is buying/selling stocks with clients' money to generate alpha, and proprietary trading is using the company's own money instead. For derivatives, do ...
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1answer
60 views

How can I model the way that average Joe trades in FX markets?

I want to develop a trading bot that trades like a non-professional trader in FX markets. I wonder if it is possible to think that an average trader trades randomly regardless of the market conditions?...
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122 views

How much shall we bet on head/tail with $1m bankroll?

I was asked this question in a trading interview: how much would you bet in a game where you win 300 on tail and loses your 100 on heads? how much will you bet if you can play game once or multiple ...
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31 views

Are all companies that are part of an exchange required to trade on all trading days?

For example, if today is a trading day for NYSE or NASDAQ, does that mean that all companies which are part of these exchanges must allow stocks to be exchanged on that day? Can companies choose to ...
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55 views

Realized and Unrealized Profit and Loss [closed]

https://www.tradingtechnologies.com/xtrader-help/fix-adapter-reference/pl-calculation-algorithm/understanding-pl-calculations/ What I want to know is, after Scenario 4 in this article how does the ...
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69 views

Market makers order execution on the order book

If a market maker is required to always have at least one order on a certain side of the order book (buy or sell), if there's no one else in the market and just market makers left on the book, will ...
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18 views

Finding the selling price of FTR (energy trading) [closed]

I have been reading the forum here for a while but this is my first question. I am trying to figure out (for an assignment) the price some FTRs (Financial Transmission Rights) were sold. Here is an ...
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1answer
80 views

how to I get the statistical significance of a backtested result

If I have a simple long/short value strategy (say long stocks with high e/p and short stocks low e/p or any other parameter) rebalanced monthly, and a look back window of say 15 years. How do I ...
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449 views

How is market buy order executed when meeting both market sell order and limit sell order?

Currently, we all know how market buy order is executed when meeting only limit sell order for time-priority rule.
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1answer
190 views

How to use neural network for technical analysis?

I am working on building a Neural network for technical analysis of stocks. The input I have is the open price and two (so far) technical indicators : RSI and William's R - for the past 2 years. I can ...
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1answer
63 views

How to get know when CUSIP is changed

CUSIP code is not a constant, it could be changed. Does anybody know how to detect a CUSIP change? Is there any report with this info? Where can i find it? Thank you.
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51 views

Extreme AUDJPY FX vols

I'm seeing levels of -12% of market strangle vol at 25 delta for AUDJPY at 20Y onward that is causing havoc with my pricing routines, the 10 delta market strangle is trading around -6% which is again ...
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1answer
80 views

Correlation between the perfect market-timing strategy and the market itself?

What would be the correlation between a perfect market-timing strategy [that it always goes long (short) one unit of the market the day before the market goes up (down)] and the market itself, given ...
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23 views

How can I use both Stochastic and RSI in technical analysis?

Stochastic and RSI both are momentum indicator but they both show momentum in different way. It leading me to confusion how to use them in trading.
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74 views

Complex Event Processing Engine for traders

I have created my quant model in python and now look for a way to run it on market data. I read that CEP - complex event processing engines - are the way how to approach this problem. I am looking ...
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1answer
63 views

What is the difference between volatility and dispersion in finance?

I am confuse whether the volatility and dispersion is same or not because are use to measure the risk associated with asset. Even if they are different than what is the relationship between, if exist.
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94 views

What is the point of volatility curve fitting?

What is the point of fitting curves to the implied smile in the market? (Other than pricing exotics where the hedging instruments are vanillas). How does fitting a vol curve help you trade/market make ...
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114 views

Calculating % Return in Pairs Trading Strategy

Hi guys Could you help me here? I would like to calculate the return of a Pairs Trading strategy. For example: 18/11 - Open the Trade: I will go long on A and Short on B: Stock A : $ 32.24 Stock B ...
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1answer
194 views

Effective gamma/vega hedging

I want an options position where I can short some options to pocket the premiums and benefit from the time decay. I also want to be vega and gamma neutral. Is there an established way to find which ...
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2answers
157 views

Live trading strategies developed on daily data

This is a very simple perhaps naive question. Let's say I have a stock price prediction model trained on daily closing prices of that stock. So when I use this model for live trading, I'll have ...
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0answers
148 views

Risk reversal basics and trading strategies

It it written in the book by Giles Jewitt: "If a currency pair had a completely flat volatility smile, the risk reversal strikes would be positioned approximately symmetrically around the ATM strike ...
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0answers
31 views

EMA with different resolutions

I am trying to understand something: If I calculate an EMA over 5 days, using the hourly close, I have to go over 5 * 24 points. If I calculate an EMA over 5 days, using the minutes close, I have to ...
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1answer
115 views

Selling an option before maturity

There is one problem that bothers me: Let’s say I buy a European put option with a certain maturity date with premium \$1.6 Suppose that the market price of the put option rises before maturity (\$3) ...
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1answer
108 views

Definition of „getting picked off“ [closed]

Is there a precise definition of what getting picked off means. In particular I want to check whether I have been picked off. How can I measure this quantitatively?
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2answers
126 views

What are popular metrics for Option Skew?

What are popular metrics to track skew? Would it be the difference between OTM option and ATM option IV? Would it be a percentage difference in IV? Also, if both are valid, would a % change be ...
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1answer
407 views

Options Market Making Used Implied Volatility Surface

Suppose you are a market maker with a model that is producing an implied volatility surface for you. Suppose you quote bid/ask prices (vols) around the prices given by your implied vol surface. In ...
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129 views

R squared of a good Trading strategy

What would you consider a decent R square value of a good trading strategy. I know R squared is not a good metric for judging trading strategies but still at an initial stage how do you decide to ...
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1answer
95 views

How does liquidity affect trading costs?

I am aware that the liquidity of a stock directly affects the trading costs associated with it. I am however unsure about the direction of this effect, since I hypothesize two counteracting forces: ...
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1answer
74 views

SPX options strike bracket

By what rule does the CBOE determine the available strikes for puts and calls on the SPX? The contract specification (http://www.cboe.com/products/stock-index-options-spx-rut-msci-ftse/s-p-500-index-...
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2answers
77 views

Parameters used by brokers when executing large institutional orders?

When an institutional trader wants to enter or exit a large position, the broker has to process the trade in smaller chunks to keep market impact at a minimum. So the broker would say that they can ...
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33 views

Arbitrage bounds on volatility of price of binary option?

What are the arbitrage bounds on the volatility of the price of a binary option? If the binary price moves too much (such that it violates the arbitrage bounds) what trades would you actually execute ...
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1answer
48 views

How do I calculate option payoff before its expiration date? [closed]

How do I calculate option payoff before its expiration date? For example, if I long a 6 month call with K = 11100, T = 0.5, p = 150, what would be the payoff of the option if I exercise it in 3 months ...
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2answers
98 views

Option quotes or trades: Which one is more informative?

Suppose I have quote data as well as real transaction of option contracts? I was wondering if the informational content is the same. On the first hand, quotes show the intention of seller/buyers on ...
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1answer
265 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: ...
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1answer
117 views

Trading Vol with options

One can trade vol swap to get exposure of the volatility of the underlying security in a 'clean' way. On the other hand, we know that vol swap, theoretically can be replicated by a dynamic position of ...
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59 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. ...
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1answer
75 views

FX Forward last day first day premium

How exactly do you trade the turn of the year/quarter effect (also known as last day-first day effect). How do you track this data, is it directly quoted in the market or is it interpolated?
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1answer
48 views

How are open and close price of mini snp futures determined

I'd like to know how are open and close prices of the mini snp futures contracts determined. For some reason I cannot find an answer to this basic question on the cme website.
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1answer
64 views

Does adverse-selection have a time-frame associated with it?

When my limit order gets filled, the price almost always moves against me due to adverse-selection. However, given 'enough' time the price may yet move back in my favour. Has there been any study ...
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1answer
124 views

Relationship between tick size, tick value, and contract size?

For many options and futures I can see that Contract Size = Tick Value / Tick Size Are these values always related like this, and if so what does the relationship mean?
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173 views

How do market makers manage to sell a large number of shares at the end of a trading day without a significant reduction in their price?

The trading day of May 9, 2019 was remarkable in this respect. I have attached the Microsoft screenshot as an example, but I observed the same in many other securities.

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