Quantum Computing for Financial Modelling
Abstract
Quantum computing is transforming the modelling and management of complex financial systems. Traditional methods struggle with the scale and stochastic nature of modern financial data. Quantum algorithms such as QAOA, Grover's Search, and quantum Monte Carlo offer improved forecasting accuracy by processing multiple market states simultaneously through superposition and entanglement. Quantum-assisted autonomous trading systems enhance decision-making, enabling faster and more successful trades using pattern recognition and quantum reinforcement learning. Financial institutions are leveraging quantum-classical hybrids for portfolio optimization, fraud detection, and risk assessment. Despite hardware limitations and regulatory challenges, the growth of quantum cloud services and tools like Qiskit and PennyLane is accelerating adoption. Cross-sector collaboration will be key in shaping ethical, transparent, and effective quantum finance systems. This shift signals a future of faster, smarter, and more adaptive financial technologies.