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12
votes
3answers
794 views

How to account for transaction costs in a simulated market environment?

I am simulating a market for my trading system. I have no ask-bid prices in my dataset and use adjusted close for both buy and sell price. To account for this I plan to use a relative transaction ...
8
votes
3answers
1k views

how do you evaluate an FX market EMS?

My firm is investigating FX EMS systems to see if we can reduce execution costs for our trading strategies that involve FX (not low latency). The liquidity providers are a few major banks. We're ...
5
votes
4answers
2k views

How should I include the bid-ask spread as a transaction cost in a backtest?

I have two backtesting algorithms: One that uses bid and ask prices for signal generation. For example: Buy when $ask < threshold_1 $ and sell when $bid > threshold_2$. Bid and ask prices are ...
4
votes
3answers
126 views

Transaction Costs for Currency Pairs

I have been aggregating some tick data from Oanda's streaming API to try and get an idea of the relative cost and best time to trade different currency pairs. The idea was to plot the spread of the ...
4
votes
2answers
546 views

Typical coefficients uses in square-root model for market impact

The square-root model is widely used to model equity market impact. It assumes that volatility, traded volume, total volume, and a spread cost are the drivers of slippage. Jim Gatheral has an ...
3
votes
1answer
215 views

Magnitude of Transaction Cost for Institutional Investors

For my thesis, I'm writing about robust portfolio allocation. I have the idea to include a measure of transaction cost, since ignoring them seems too simplifying for a real-world problem. Comparing a ...
3
votes
0answers
186 views

Optimal Position Size with Transaction Costs given Forecast Mean and StDev

I have rather a challenging question. I'm hoping that someone can share their experience. I will build up the problem in steps. Let's start our thinking with the idea of a buy and hold strategy of ...
1
vote
1answer
81 views

How low can HFT transaction costs go?

When evaluating an HFT strategy, transaction costs are clearly an important question. When looking at commercial discount brokers for retail clients, costs can be as low as 0.005 USD per share, but ...
1
vote
1answer
157 views

Add transaction costs to prediction

An algorithm predicts price movement by some certainty and it invests proportional to the confidence level. Predictions range from -1 to +1, -1 meaning sell for a value of ...
0
votes
1answer
59 views

Liquidity and Prices

Do fewer transaction costs and higher liquidity relate to lower market prices? Are there any good resources that deal with these topics in more detail?
0
votes
0answers
45 views

Log returns vs Relativizing to Portfolio size of $1

In a current empirical research project, I am tracking a non-parametric measure of a transaction cost. To this extent, I track this cost in two ways Cost in terms of log returns Cost in terms of ...
0
votes
0answers
41 views

Transaction costs of lending and borrowing

What are the transaction costs of lending and borrowing? How financial intermediaries reduce transaction costs of lending and how they reduce costs of borrowing? Thank you!