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On Robustness of Double Linear Trading with Transaction Costs

Author
Chung-Han Hsieh
Date Updated
2022/09/26
Category
math.OC
Date Published
2022/09/26
Date Retrieved
2022/09/27
Description
A trading system is said to be {robust} if it generates a robust return regardless of market direction. To this end, a consistently positive expected trading gain is often used as a robustness metric for a trading system. In this paper, we propose a new class of trading policies called the {double linear policy} in an asset trading scenario when the transaction costs are involved. Unlike many existing papers, we first show that the desired robust positive expected gain may disappear when transaction costs are involved. Then we quantify under what conditions the desired positivity can still be preserved. In addition, we conduct heavy Monte-Carlo simulations for an underlying asset whose prices are governed by a geometric Brownian motion with jumps to validate our theory. A more realistic backtesting example involving historical data for cryptocurrency Bitcoin-USD is also studied.
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URL
https://arxiv.org/abs/2209.12383
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