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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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XGBoost for Return Direction: Class Imbalance and Decision Thresholds
August 25, 2026
#machine-learning

XGBoost for Return Direction: Class Imbalance and Decision Thresholds

Return-direction classifiers are imbalanced problems, and 0.5 is the wrong decision threshold. Comparing scale_pos_weight, focal loss, and precision-constrained threshold optimization on crypto data — plus the engineering differences between XGBoost, LightGBM, and CatBoost.

#machine-learning#xgboost#gradient-boosting
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Tiempo irregular en modelos de ticks: codificaciones de tiempo continuo versus incrustaciones posicionales simples
August 22, 2026
#HFT

Tiempo irregular en modelos de ticks: codificaciones de tiempo continuo versus incrustaciones posicionales simples

Los modelos de secuencia alimentados con datos de ticks aún suponen un espaciado regular. Tres formas de decirle a un Transformer cuándo ocurrió realmente un tic (codificación continua en escala de tiempo que se puede aprender, estado latente ODE-RNN y delta_t como característica simple) y la ablación que decide entre ellas.

#HFT#tick-data#deep-learning
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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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