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SoftBank (9984.T) stock analysis, October 1, 2025: SoftBank slips 2% to ¥18,310, but Deutsche Bank backs Stargate without balance-sheet strain

Published October 1, 2025 · updated 2025-12-29 · 9984.T chart, levels and live analysis

Key Updates

SoftBank Group is down 2.01% to ¥18,310, continuing a short-term consolidation after a rapid rally. Deutsche Bank gives a positive view of the company’s involvement in the Stargate project, noting no material balance-sheet pressure. Despite the pullback, the stock still boasts an outstanding year-to-date gain of +99.35% and a monthly rise of +18.51%.

Current Trend

SoftBank shows a textbook healthy correction after a strong rally. Over the past five days the shares have slipped 3.63%, yet the month-to-date performance remains impressive (+18.51%). A six-month gain of 144.82% underscores the fundamental strength of the company’s AI and technology investment strategy. The current consolidation appears to be a technical pause before a possible continuation of the uptrend.

Investment Thesis

The investment case for SoftBank rests on its leading position in the AI ecosystem and strategic stakes in cutting-edge technologies. Participation in the Stargate project strengthens its foothold in a key AI-infrastructure segment. A diversified portfolio of tech assets and the Vision Fund provide multiple sources of value appreciation.

Thesis Status

The thesis remains fully intact and is even gaining traction. Deutsche Bank’s endorsement of SoftBank’s Stargate involvement without significant balance-sheet impact confirms the firm’s financial resilience. The stellar annual performance (+99.35%) demonstrates successful execution of its AI and tech investment strategy.

Key Drivers

The main positive catalyst is the Deutsche Bank assessment of SoftBank’s participation in the Stargate project, which shows the company can manage large investments without balance-sheet strain. Ongoing growth of the AI market remains a key driver, although comments from China’s Zhipu AI that full AI is unlikely by 2030 could temper short-term investor expectations on industry pace.

Technical Picture

SoftBank shares are in a healthy correction after a strong rally. The current level of ¥18,310 acts as a mid-range support within a broader uptrend. A 3.63% drop over five days while maintaining a +18.51% monthly gain points to technical consolidation. Key support lies around ¥17,500-¥18,000, with resistance near ¥19,500-¥20,000.

Bull Case

  • Deutsche Bank’s positive view of Stargate participation without balance-sheet pressure confirms financial stability (WSJ)
  • Outstanding year-to-date gain of +99.35% demonstrates the success of the AI investment strategy
  • Monthly rise of +18.51% shows continued institutional interest
  • Six-month increase of 144.82% underscores the strength of the business model
  • Leading AI ecosystem positions via the Vision Fund and strategic investments

Bear Case

  • Zhipu AI’s remarks that full AI is unlikely by 2030 could dampen sector expectations (Reuters)
  • Short-term correction of -3.63% over five days may signal further downside
  • High volatility in the tech sector adds valuation risk
  • Current valuation levels could be stretched after a 99.35% annual run-up
  • Reliance on the success of Vision Fund portfolio companies creates concentration risk
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