Search Results for author: Kasper Johansson

Found 4 papers, 4 papers with code

Finding Moving-Band Statistical Arbitrages via Convex-Concave Optimization

1 code implementation12 Feb 2024 Kasper Johansson, Thomas Schmelzer, Stephen Boyd

We propose a new method for finding statistical arbitrages that can contain more assets than just the traditional pair.

Markowitz Portfolio Construction at Seventy

1 code implementation10 Jan 2024 Stephen Boyd, Kasper Johansson, Ronald Kahn, Philipp Schiele, Thomas Schmelzer

More than seventy years ago Harry Markowitz formulated portfolio construction as an optimization problem that trades off expected return and risk, defined as the standard deviation of the portfolio returns.

A Simple Method for Predicting Covariance Matrices of Financial Returns

1 code implementation31 May 2023 Kasper Johansson, Mehmet Giray Ogut, Markus Pelger, Thomas Schmelzer, Stephen Boyd

We also test covariance predictors on downstream applications such as portfolio optimization methods that depend on the covariance matrix.

Portfolio Optimization

Multi-armed Bandit Learning on a Graph

1 code implementation20 Sep 2022 Tianpeng Zhang, Kasper Johansson, Na Li

The graph defines the agent's freedom in selecting the next available nodes at each step.

Decision Making Decision Making Under Uncertainty

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