Haoyu Liu, Len Thomas, Benjamin Baer, Carl Donovan · 2026 · arXiv (Cornell University)
DOI: 10.48550/arxiv.2609.22639 · cited by 0 works (OpenAlex) · open-access PDF
ونحن نعتمد هذه الفكرة على أسواق الأوراق المالية السياسية عن طريق نموذج احتمالات التمرد المشتركة للعديد من المرشحين من الأطراف الرئيسية مع عملية Ornstein-Uhlenbeck المفتوحة التي تتغير مستويات التمرد المتوسطة مع الوقت، وتحتوي الملاحظات على غضب إضافي. يتم تقدير النماذج النماذج من بيانات الأوراق المالية المعتادة باستخدام احتمالات منطقة الحدود المعتادة، مع القيمة المتكررة المتتالية التي تمثلها مراقبة منفصلة ومعدلات التمرد المتتالية التي يتم الحفاظ عليها في الانتقال المستمر. تتمثل هذه النماذج في نموذج التمرد المشترك الذي يتضمن نموذج الأوراق المالية المعتادة الذي يمكن أن ينخفض مع نموذ
Machine translation (Meta M2M100); the English original follows.
Pairs trading exploits mean reversion in the relationship between related assets. We adapt this idea to political betting markets by modelling the combined implied probability of the two major-party nominees with a latent Ornstein-Uhlenbeck process whose mean-reversion level varies over time and whose observations contain additive noise. Model parameters are estimated from regularly sampled odds data using a state-space likelihood, with consecutive repeated values represented by a single retained observation and the elapsed number of sampling intervals preserved in the continuous-time transition. Parametric-bootstrap upper prediction bounds identify signal times at which the combined implied probability is likely to decline, and a no-intercept Bradley-Terry-type model selects the candidate-specific odds quote. The candidate-selection model is trained on 2020 U.S. presidential-election data and evaluated out of sample on 2024 data. The 2024 analysis produced 130 signals, empirical one-step coverage of 95.1%, a mean synthetic odds-price return of 1.86%, and an unannualized per-trade Sharpe-type ratio of 1.12. These returns are frictionless descriptive quantities rather than executable betting-exchange profits. The results support the integrated framework as a proof of concept for two-candidate electoral markets.
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Topics: Odds, Econometrics, Sample (material), Economics, Presidential election, Executable
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