A hybrid Transformer-BiGRU-KAN network is claimed to forecast stock prices with R2 up to 0.98, but internal metric contradictions and an undescribed experimental setup invalidate the headline result.
Stock return prediction under garch—an empirical assessment
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Boosting the Accuracy of Stock Market Prediction via Multi-Layer Hybrid MTL Structure
A hybrid Transformer-BiGRU-KAN network is claimed to forecast stock prices with R2 up to 0.98, but internal metric contradictions and an undescribed experimental setup invalidate the headline result.