Search Results for author: Xue Cheng

Found 11 papers, 2 papers with code

Mean Field Game of High-Frequency Anticipatory Trading

no code implementations28 Apr 2024 Xue Cheng, Meng Wang, Ziyi Xu

The interactions between a large population of high-frequency traders (HFTs) and a large trader (LT) who executes a certain amount of assets at discrete time points are studied.

Joint calibration to SPX and VIX Derivative Markets with Composite Change of Time Models

no code implementations25 Apr 2024 Liexin Cheng, Xue Cheng, Xianhua Peng

The Chicago Board Options Exchange Volatility Index (VIX) is calculated from SPX options and derivatives of VIX are also traded in market, which leads to the so-called "consistent modeling" problem.

Trading Large Orders in the Presence of Multiple High-Frequency Anticipatory Traders

no code implementations13 Mar 2024 Ziyi Xu, Xue Cheng

We investigate a market with a normal-speed informed trader (IT) who may employ mixed strategy and multiple anticipatory high-frequency traders (HFTs) who are under different inventory pressures, in a three-period Kyle's model.

Approximating Smiles: A Time Change Approach

no code implementations8 Jan 2024 Liexin Cheng, Xue Cheng

We present a new method for analyzing the shape of implied volatility smiles The method is applicable to common semimartingale models, such as jump-diffusion, rough volatility, and infinite activity models.

Model Selection

Optimal Order Execution subject to Reservation Strategies under Execution Risk

no code implementations6 Jan 2024 Xue Cheng, Peng Guo, Tai-Ho Wang

The strategies that the agent is allowed to deploy is subject to a benchmark, referred to as the reservation strategy, regulated by the client.

The Effects of High-frequency Anticipatory Trading: Small Informed Trader vs. Round-Tripper

no code implementations27 Apr 2023 Ziyi Xu, Xue Cheng

In an extended Kyle's model, the interactions between a large informed trader and a high-frequency trader (HFT) who can anticipate the former's incoming order are studied.

Are Large Traders Harmed by Front-running HFTs?

no code implementations11 Nov 2022 Ziyi Xu, Xue Cheng

This paper studies the influences of a high-frequency trader (HFT) on a large trader whose future trading is predicted by the former.

An Acne Grading Framework on Face Images via Skin Attention and SFNet

no code implementations IEEE International Conference on Bioinformatics and Biomedicine (BIBM) 2022 Yi Lin, Yi Guan, Zhaoyang Ma, Haiyan You, Xue Cheng, Jingchi Jiang

In this paper, the global estimation of acne severity grading is studied by Convolutional Neural Networks (CNNs) and a unified acne grading framework that can diagnose referring to different grading criteria is proposed.

Ranked #3 on Acne Severity Grading on ACNE04 (Accuracy metric)

Acne Severity Grading

Common Decomposition of Correlated Brownian Motions and its Financial Applications

no code implementations7 Jul 2019 Tianyao Chen, Xue Cheng, Jingping Yang

In this paper, we develop a theory of common decomposition for two correlated Brownian motions, in which, by using change of time method, the correlated Brownian motions are represented by a triplet of processes, $(X, Y, T)$, where $X$ and $Y$ are independent Brownian motions.

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