The benchmarks use low-correlation stock selection and volatility-based weighting to build diversified equity portfolios across Japanese and US markets.

Japan’s Sumitomo Mitsui Banking Corp (SMBC) and Toshiba Corp (Toshiba) have jointly launched two quantum-driven diversified equity indices, applying advanced optimisation technology to construct portfolios designed to maintain diversification even during periods of market stress. Both indices will use their defined S&P universes as starting points The new benchmarks - the SMBC/Toshiba Quantum Driven Diversified Japan Equity Index and SMBC/Toshiba Quantum Driven Diversified US Equit