Supervised Similarity for Firm Linkages

Fuente: arXiv
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Main Authors: Samson, Ryan, Banner, Adrian, Candelori, Luca, Cottrell, Sebastien, Di Matteo, Tiziana, Duchnowski, Paul, Kirakosyan, Vahagn, Marques, Jose, Musaelian, Kharen, Pasquali, Stefano, Stever, Ryan, Villani, Dario
Format: Preprint
Published: 2025
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author Samson, Ryan
Banner, Adrian
Candelori, Luca
Cottrell, Sebastien
Di Matteo, Tiziana
Duchnowski, Paul
Kirakosyan, Vahagn
Marques, Jose
Musaelian, Kharen
Pasquali, Stefano
Stever, Ryan
Villani, Dario
author_facet Samson, Ryan
Banner, Adrian
Candelori, Luca
Cottrell, Sebastien
Di Matteo, Tiziana
Duchnowski, Paul
Kirakosyan, Vahagn
Marques, Jose
Musaelian, Kharen
Pasquali, Stefano
Stever, Ryan
Villani, Dario
contents We introduce a novel proxy for firm linkages, Characteristic Vector Linkages (CVLs). We use this concept to estimate firm linkages, first through Euclidean similarity, and then by applying Quantum Cognition Machine Learning (QCML) to similarity learning. We demonstrate that both methods can be used to construct profitable momentum spillover trading strategies, but QCML similarity outperforms the simpler Euclidean similarity.
format Preprint
id arxiv_https___arxiv_org_abs_2506_19856
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Supervised Similarity for Firm Linkages
Samson, Ryan
Banner, Adrian
Candelori, Luca
Cottrell, Sebastien
Di Matteo, Tiziana
Duchnowski, Paul
Kirakosyan, Vahagn
Marques, Jose
Musaelian, Kharen
Pasquali, Stefano
Stever, Ryan
Villani, Dario
Statistical Finance
Machine Learning
Quantum Physics
We introduce a novel proxy for firm linkages, Characteristic Vector Linkages (CVLs). We use this concept to estimate firm linkages, first through Euclidean similarity, and then by applying Quantum Cognition Machine Learning (QCML) to similarity learning. We demonstrate that both methods can be used to construct profitable momentum spillover trading strategies, but QCML similarity outperforms the simpler Euclidean similarity.
title Supervised Similarity for Firm Linkages
topic Statistical Finance
Machine Learning
Quantum Physics
url https://arxiv.org/abs/2506.19856