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.
Progress and prospects of data-driven stock price fore- casting research
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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.