SoftBank AI Portfolio & Market Shock Simulator

Shock Parameters MODEL V2.8

Preset Shock Scenarios

AI Development Pace 10%

Global velocity of frontier model rollout and algorithmic capex deployments.

Market Valuation Shock 30%

Multiple contraction applied to enterprise compute, software, and semiconductor holdings.

Regulatory Friction 60%

Antitrust intervention, sovereign compute export bans, and AI moratorium compliance drag.

Portfolio Exposure Weights

ARM Holdings Plc (Semis)

48.0%

Vision Fund 1 & 2 (Tech/SaaS)

32.0%

Telco / Utilities / Cash

20.0%

Adjusted Share Price

¥7,436

-12.0% vs. ¥8,450 base

Market Cap Loss (USD)

$21.4B

Group valuation delta

Liquidity Buffer

18.2 mo

Cash & margin headroom

Portfolio Stress Score

84.5

High Volatility Warning

EQUITY SHOCK TRAJECTORY (JPY) SIMULATED CONTAGION

VISION FUND ASSET VULNERABILITY LTV & LEVERAGE PROFILE

Holding / Sector	Exposure	Shock Imp.	Risk Tier
ARM Ltd (Compute IP)	¥9.2T (48%)	-16.8%	CRITICAL
VF Generative AI Basket	¥3.8T (20%)	-24.2%	CRITICAL
E-Commerce & Logistics	¥2.9T (15%)	-6.2%	MODERATE
SoftBank Corp (Domestic Telco)	¥3.2T (17%)	-0.8%	DEFENSIVE

Deterministic Stress Report

Captures current shock parameters, liquidity margins, ARM covenant headroom, and valuation delta.

Source Grounding: Reporting via @spectatorindex: "BREAKING: Share price of Japanese tech investment giant SoftBank plunges by 12% as calls grow to slow down development of AI." Baseline values: ¥8,450 initial share price, ~$178B aggregate group market cap equivalent, 1.74x Net Debt/Equity. Model reflects collateralized loan risks against ARM stock and high AI capex sensitivity across Vision Funds 1 & 2.