{"owner":"cockles98","github":"https://github.com/cockles98","claimed":false,"inventory":[],"indexed":[{"repo":"cockles98/itau-quant-challenge-2025","github":"https://github.com/cockles98/itau-quant-challenge-2025","description":"Quantitative strategy for the Ibovespa that combines Topological Data Analysis (with Persistent Homology & Mapper), classical factors and meta-models, regime-sensitive HRP. Achieved top 4%.","language":"Jupyter Notebook","stars":22,"topics":["backtesting","hrp","machine-learning","persistent-homology","portfolio-optimization","quantitative-finance","tda"],"license":"MIT","category":"trading"}],"how_to_buy":"GET /r/cockles98/<repo> (Accept: application/json) for any listed repo here: tree, README, price and the checkout to pay (x402; rehearse first at its test twin, simulated money). Repos under 'indexed' are free: clone them from GitHub."}