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+702% on SOL. Where Is Jev in This Backtest?
September 26, 2026
#algorithmic trading

+702% on SOL. Where Is Jev in This Backtest?

We ran a trend strategy across 15 crypto pairs, checked costs and access to future candles, and tested Jev separately. Where did profits appear, and why can't we promise them in live trading yet?

#algorithmic trading#Jev#backtesting
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用於報酬方向的 XGBoost:類別不平衡與決策閾值
August 25, 2026
#machine-learning

用於報酬方向的 XGBoost:類別不平衡與決策閾值

報酬方向分類器是不平衡問題,而 0.5 是錯誤的決策閾值。比較加密貨幣資料上的 scale_pos_weight、焦點損失與精確率約束閾值最佳化,以及 XGBoost、LightGBM 和 CatBoost 之間的工程差異。

#machine-learning#xgboost#gradient-boosting
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Synthetic Control Methods for Evaluating Trading Strategies
August 21, 2026
#causal-inference

Synthetic Control Methods for Evaluating Trading Strategies

This series has priced the selection route to a false edge — DSR prices the winner, PBO prices the search. Neither touches confounding: the strategy that made money because volatility doubled the week you deployed it. The Synthetic Control Method builds a weighted counterfactual from a donor pool of untouched instruments and gives you a falsification criterion and a placebo p-value.

#causal-inference#synthetic-control#counterfactual
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