{"current":{"version":3,"algorithm":"logistic","metrics":{"accuracy":0.6638095238095238,"auc":0.6107489502978225,"backtest_return":0.0}},"history":[{"version":3,"trained_at":"2026-06-30T05:00:28.124880","algorithm":"logistic","n_samples":2455,"accuracy":0.6638095238095238,"auc":0.6107489502978225,"backtest_return":0.0,"notes":"won tournament; oos_return=0.00% candidates=[('logistic', 0.0), ('champion:xgboost', -1.09), ('lstm', -1.632), ('ensemble', -1.769), ('hist_gbm', -2.024), ('xgboost', -2.847)]"},{"version":2,"trained_at":"2026-06-29T23:00:03.444438","algorithm":"xgboost","n_samples":2455,"accuracy":0.6190476190476191,"auc":0.6216184422730291,"backtest_return":0.5301965939173906,"notes":"won tournament; oos_return=0.53% candidates=[('xgboost', 0.53), ('logistic', 0.0), ('champion:ensemble', -0.087), ('ensemble', -0.111), ('hist_gbm', -0.682), ('lstm', -1.434)]"},{"version":1,"trained_at":"2026-06-27T22:55:39.658428","algorithm":"ensemble","n_samples":980,"accuracy":0.6357142857142857,"auc":0.6642476338100941,"backtest_return":1.6557467406924846,"notes":"won tournament; oos_return=1.66% candidates=[('ensemble', 1.656), ('lstm', 1.621), ('xgboost', 1.255), ('hist_gbm', 1.011), ('logistic', 0.0)]"},{"version":1,"trained_at":"2026-06-27T23:08:59.153419","algorithm":"ensemble","n_samples":980,"accuracy":0.6166666666666667,"auc":0.6461636017755231,"backtest_return":1.6557467406924846,"notes":"won tournament; oos_return=1.66% candidates=[('ensemble', 1.656), ('lstm', 1.341), ('xgboost', 1.273), ('hist_gbm', 1.011), ('logistic', 0.0)]"}]}