---
title: "SMBC, Toshiba develop quantum-driven Japan, US equity indices"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/287024877.md"
description: "SMBC and Toshiba have partnered to create two new equity indices utilizing quantum-driven optimization technology, focusing on diversified Japan and U.S. equities. The indices aim to enhance diversification in volatile markets by selecting stocks with lower correlation. Toshiba's Simulated Bifurcation Machine will handle quarterly optimization, while S&P Dow Jones Indices will manage daily calculations. The initiative targets asset managers for index funds and ETFs linked to these benchmarks."
datetime: "2026-05-20T07:38:48.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/287024877.md)
  - [en](https://longbridge.com/en/news/287024877.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/287024877.md)
---

# SMBC, Toshiba develop quantum-driven Japan, US equity indices

-   Sumitomo Mitsui Financial Group’s banking unit SMBC partnered with Toshiba to develop two new equity indices built using quantum-driven optimization technology. \* The indices cover diversified Japan equities and diversified U.S. equities, targeting lower correlation stock selection to improve diversification during volatile markets. \* Toshiba’s Simulated Bifurcation Machine will run the quarterly optimization and rebalancing calculations, while S&P Dow Jones Indices will calculate and distribute the indices daily. \* Index calculation has started with an end-2015 base date, with the partners set to approach asset managers on index funds, ETFs, and other products linked to the benchmarks. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Sumitomo Mitsui Financial Group Inc. published the original content used to generate this news brief on May 20, 2026, and is solely responsible for the information contained therein. © Copyright 2026 - Public Technologies (PUBT) Original Document: here

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