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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

169,291 papers · 148 categories

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2.7%5.4%8.1%10.8% · Mar 202519922001200920182026
48 results for long-short strategies

A model-free hedging method using stock crowding scores.

problem Designing costless portfolio strategies to hedge market risk.
method Network analysis of fund holdings to compute crowding scores, constructing long-short portfolios without numerical optimization.
result Long-short portfolios provide protection against both small and large market price fluctuations.

New algorithm predicts ranked stock lists for long-short portfolios.

problem Constructing effective long-short stock portfolios using machine learning.
method Proposes a new listwise learn-to-rank loss function to emphasize top and bottom of a rank list.
result Demonstrates superior performance in constructing long-short portfolios with a 38% annual return.

Study compares short vs long strategies for equity factors, finds short strategy better.

problem Determining the best market-neutral implementation of equity factors.
method Revisited the relative predictability of short and long legs, diversification, and costs.
result Long-Short implementation yields superior risk-adjusted returns compared to Hedged Long-Only.

A new trading strategy improves stock performance.

problem Improving stock trading performance using a generalized SLS framework.
method Developed a Generalized SLS (GSLS) trading strategy, tested on historical data, and optimized control parameters.
result Optimized GSLS strategy outperforms simpler SLS strategy and historical trading.

Paper proposes novel hedging strategies using LSTM models for diversified investment portfolios.

problem Hedging risky asset portfolios in turbulent financial markets.
method Four diverse models (LSTM, ARIMA-GARCH, momentum, contrarian) generate price forecasts for diversified AIS.
result LSTM-based strategies outperform other models, with Bitcoin being the best diversifier for S&P 500 index.

Paper optimizes stock option forecasting using ML models and improved trading strategies.

problem Improving accuracy of stock option predictions and trading decisions.
method Application of Recurrent Neural Networks (RNN), Long Short-Term Memory (LSTM), and Quasi-Reversibility Method (QRM).
result Optimized stock option investment results through improved trading strategies and model combination.

Study optimal trading times for mean-reverting prices with deadlines.

problem Optimal timing strategies for mean-reverting price processes with deadlines.
method Solve optimal double stopping problems with sequential deadlines using local time-space calculus.
result Derive optimal trading boundaries for long-short, short-long, and chooser strategies.

This study improves stock investment strategies using advanced neural networks.

problem Improving stock investment strategies for better performance.
method Used LSTM-GRU neural networks combined with SVM for stock prediction.
result LSTM-GRU outperformed benchmarks in stock predictions.

The paper explores distributed deep learning strategies for ASR, achieving faster training times.

problem Improving ASR performance and training speed with distributed deep learning.
method Investigated and implemented various distributed strategies including SYNC, ADPSGD, and HYBRID.
result ADPSGD achieved a 7.6% WER on the Hub5-2000 Switchboard test set in 14 hours with 16 NVIDIA P100 GPUs.

Proposes a model to recommend products at the right time to meet user demands.

problem Maximizing product sales by recommending products at the right time to meet user demands.
method Integrates user interests and time-based demands into a Long-Short Demands-Aware Model (LSDM) using recurrent neural networks.
result Demonstrates the effectiveness of the LSDM in next-item recommendation on real-world commerce datasets.

Paper presents methods to create stock price confidence intervals using LSTM models.

problem Creating accurate confidence intervals for LSTM-estimated stock prices.
method Three bootstrap methods for dependent data, optimal block length selection, and benchmark comparison.
result Illustrated through stock price data, different bootstrap strategies provide varying confidence intervals.

A two-stage decision support system optimizes long-short portfolios under ESG considerations.

problem Optimizing long-short portfolios under environmental, social, and governance (ESG) considerations.
method First stage: Multi-criteria evaluation using TODIMSort and MEREC. Second stage: Non-convex portfolio optimization with Omega ratio.
result ESG-enhanced long-short portfolios outperform non-ESG and market-value-weighted benchmarks.

New methods for equity fund selection and portfolio construction using mutual fund top holdings.

problem Classic equity fund selection and portfolio construction problems.
method Propose an easy-to-implement framework to produce a long-short portfolio from mutual fund top holdings.
result Generate impressive results and show statistical evidence.

Machine learning models outperform traditional technical analysis in Bitcoin trading.

problem Maximizing profits in the Bitcoin market using trading signals.
method Comparison of machine learning models (LightGBM, LSTM) and technical analysis strategies (EMA, MACD+ADX).
result LSTM model achieved a 65.23% cumulative return over a year, significantly outperforming other strategies.

This paper uses DRL for long-short portfolio optimization, improving risk-adjusted returns.

problem Traditional portfolio optimization limits diversification by excluding short-selling.
method Developed a DRL framework with a short-selling mechanism for continuous trading.
result DRL model with short-selling achieves superior risk-adjusted returns.

WaveLSFormer learns profitable trading policies from financial time series data.

problem Challenges in learning profitable intraday trading policies from financial time series data.
method WaveLSFormer uses a learnable wavelet-based long-short Transformer to jointly perform multi-scale decomposition and return-oriented decision learning.
result WaveLSFormer consistently outperforms MLP, LSTM, and Transformer backbones in trading performance.

Enhanced Momentum Transformer outperforms traditional trading strategies.

problem Improving trading performance in equities with evolving market conditions.
method Building a Momentum Transformer using an attention mechanism combined with LSTM, capturing long-term dependencies and transaction costs.
result Average returns of 4.14% and Sharpe ratio of 1.12, similar to original results but with higher volatility.

Deep reinforcement learning improves trading performance in financial markets.

problem Improving trading performance in financial markets.
method Deep Q-network (DQN) for designing long-short trading strategies.
result Trained reinforcement learning agent outperformed an index benchmark in trading E-mini S&P 500 futures contracts.

Study optimal trading strategies for mean-reverting spreads using integral equations.

problem Optimal timing for trading mean-reverting price spreads.
method Utilized local time-space calculus and nonlinear integral equations of Volterra-type.
result Derived optimal boundaries for trading strategies.

Neural networks predict airport passenger behavior using WiFi traces.

problem Predicting airport passenger activity choices inside the terminal.
method Three neural network architectures: FNN, LSTM, and their combination. Inputs include static and dynamic passenger data. Real-world case study at Bologna Airport.
result LSTM approach, especially with short prediction horizons, outperforms FNN.

The study analyzes ETFs' portfolio optimization and tail-risk management.

problem Analyzing the performance of actively managed ETFs in managing risk and diversification.
method Daily Bloomberg data for 30 funds, evaluating various strategies under long-only and long-short constraints.
result Tangency-type portfolios generally outperform buy-and-hold benchmarks, while minimum-variance and CVaR-minimizing portfolios sacrifice upside for downside control.

Optimal trading strategy for multiple futures contracts with stochastic bases.

problem Dynamic trading of multiple futures contracts with different underlying assets.
method Proposed a multi-dimensional scaled Brownian bridge model to capture joint dynamics, leading to semi-explicit solutions of HJB equations.
result Derived optimal long-short trading strategy that considers contango and backwardation.

Enhanced portfolio selection using sentiment data and LSTM.

problem Improving portfolio selection through sentiment analysis and price prediction.
method Semantic Attention Model for sentiment prediction, LSTM for price prediction, mean-variance strategy for portfolio optimization.
result Sentiment-aware portfolio strategies outperform non-sentiment aware models on average.

Develops LSTM for predicting neuronal dynamics over long time-horizons.

problem Understanding and controlling complex brain behaviors.
method Long Short-Term Memory (LSTM) neural network architecture for multi-time step predictions.
result LSTM improves short time-horizon prediction accuracy and multi-time step predictions of neuronal dynamics.

QLSTM outperforms LSTM in predicting KSE 100 index movements.

problem Predicting stock market movement in uncertain economic conditions.
method Used LSTM and QLSTM models on monthly data of economic indicators.
result QLSTM provided more accurate predictions of KSE 100 index values.

E-commerce sales forecast using LSTM with cross-series information.

problem Accurate sales forecasting in e-commerce with limited univariate methods.
method Global training of LSTM on product assortment hierarchy, incorporating cross-series information.
result LSTM achieves competitive results on Walmart.com dataset, outperforming state-of-the-art techniques.

Enhanced options trading strategies using advanced portfolio optimization.

problem Generating consistent positive returns in high-frequency options trading.
method Advanced portfolio optimization techniques applied to SPY options data.
result Sophisticated strategies incorporating advanced Greeks show potential in high-frequency trading.

This paper optimizes cryptocurrency portfolios by integrating sentiment analysis with technical indicators.

problem Effective portfolio management in volatile cryptocurrency markets.
method Dynamic portfolio strategy using technical indicators and sentiment analysis.
result The integrated approach outperforms traditional benchmarks and achieves stronger risk-adjusted returns.

Combining smart beta strategies improves portfolio performance.

problem Enhancing risk-adjusted returns through smart beta strategies.
method Construction of a monthly reweighted portfolio with two independent smart beta strategies: a long-short beta-neutral strategy and a minimized volatility portfolio.
result Combined strategy achieved a Sharpe Ratio of 1.35 in live trading.

Study uses LSTM models to detect Wyckoff patterns in currency trading.

problem Understanding market dynamics and identifying trading opportunities.
method Dissecting Wyckoff Phases, using CNNs for spatial data and LSTM for temporal data.
result Deep learning models enhance pattern recognition in financial markets.

Large language models predict stock market returns better than traditional methods.

problem Predicting stock market returns using financial news sentiment analysis.
method Analysis of large language models (LLMs) including BERT, OPT, FINBERT, and Loughran-McDonald dictionary model.
result OPT model shows highest accuracy (74.4%) in predicting stock market returns.

Hybrid LSTM-ARIMA model outperforms other algorithms in algorithmic investment strategies.

problem Developing an optimal algorithmic investment strategy.
method Combines LSTM and ARIMA models, using LSTM for final predictions and ARIMA residuals for boosting.
result LSTM-ARIMA algorithm outperforms all other algorithms across multiple equity indices.