--- title: AAPL Triple-Barrier Direction Classifier emoji: 📊 colorFrom: blue colorTo: gray sdk: gradio sdk_version: "5.49.1" app_file: app.py pinned: false license: mit --- # AAPL Triple-Barrier Direction Classifier (educational) Reference-backed financial-ML demo. XGBoost classifier trained on fractionally-differenced features and triple-barrier labels (López de Prado, *Advances in Financial Machine Learning*, Ch.3 + Ch.5). **This is an educational portfolio artifact, not a trading signal.** Test-set accuracy ~38% on a 3-class label set (random = 33%, p<0.05 in 3 of 5 purged folds). Directional accuracy *when the model picks a side* is ~36% — worse than coin-flip. Do not trade real money on this. ![Gradio interface](app_screenshot.png) Full source, technical writeup, and lessons-learned: [github.com/moccaram/DataSynth](https://github.com/moccaram/DataSynth).