Deal Details and Timeline
Published 6/25/2026, 11:58:33 PM
SBI Holdings' acquisition of Bitbank for ¥46.7 billion (~$289 million), announced on June 25, 2026, is a definitive move to consolidate the Japanese crypto market. By merging Bitbank’s high-volume exchange with its existing ecosystem, SBI is set to become Japan's "crypto king," controlling the largest pool of assets under custody and the largest user base in the country.
Deal Details and Timeline
The acquisition is structured to give SBI 100% of Bitbank's voting rights through its subsidiary, SBICAH [Source: https://www.sbiholdings.co.jp/english/news/2026/0625_a.html].
- Acquisition Price: ¥46.7 billion (~$289 million) [Source: https://www.reuters.com/business/finance/sbi-to-buy-bitbank-2026-06-25/].
- Structure: SBI will first acquire shares from individual founders in August 2026. This will be followed by a buyback of stakes held by MIXI (26.2%) and Ceres (22.4%) [Source: https://www.reuters.com/business/finance/sbi-to-buy-bitbank-2026-06-25/].
- Completion Date: Targeted for October 2026, pending antitrust clearance from the Japan Fair Trade Commission [Source: https://www.sbiholdings.co.jp/english/news/2026/0625_a.html].
- Strategic Goal: Chairman Yoshitaka Kitao aims to establish dominance before 2027, when Japan is expected to reclassify crypto as financial products under the Financial Instruments and Exchange Act [Source: https://www.fsa.go.jp/en/news/2026/crypto-amendment.html].
Market Position: SBI vs. Competitors
The combined entity will surpass long-time market leaders bitFlyer and Coincheck in key metrics, specifically Assets Under Custody (AUC) and total user accounts.
| Metric | SBI + Bitbank (Combined) | bitFlyer | Coincheck |
|---|---|---|---|
| Assets Under Custody | ~¥1.1 Trillion ($6.8B) | ~¥960 Billion | ~¥800 Billion |
| User Accounts | ~2.92 Million | ~2.5 Million | ~1.9 Million |
| Market Rank | #1 | #2 | #3 |
| Key Strength | Banking & Stablecoin Integration | High Trading Volume | Beginner-friendly App |
Note: bitFlyer and Coincheck data is based on late 2025 reports [Source: https://www.coingecko.com/en/exchanges/japan-market-report-2026].
SBI’s Ecosystem and Regulatory Footprint
SBI has spent years building a vertically integrated "walled garden" that its competitors currently lack. Its crypto holdings and services include:
- Consolidated Exchanges: In April 2026, SBI VC Trade absorbed BITPoint Japan and integrated customer accounts from DMM Bitcoin [Source: https://www.sbiholdings.co.jp/english/news/2026/0625_a.html].
- Stablecoin Infrastructure: On June 24, 2026, SBI launched JPYSC, the first trust bank-backed yen stablecoin in Japan, and partnered with Ripple for the RLUSD dollar stablecoin [Source: https://www.sbiholdings.co.jp/english/news/2026/0625_a.html].
- Global Expansion: SBI is currently seeking a majority stake in Singapore-based Coinhako to extend its influence across Asia [Source: https://www.reuters.com/business/finance/sbi-to-buy-bitbank-2026-06-25/].
Conclusion
The Bitbank acquisition effectively crowns SBI as the leader of the Japanese crypto market by volume and assets. While bitFlyer remains a strong competitor in pure trading activity, SBI’s integration of banking, stablecoins, and exchange services creates a dominant market position that is difficult for standalone exchanges to challenge. The finalization of the deal in October 2026 remains subject to regulatory approval.