AI Roundtable Poll · 6 models
1年後のアメリカの平均株価はあがっている?
Result: Supermajority — Yes (5/6 votes)
Options
- Yes (5 votes)
- No (1 votes)
Model Responses
Sonar Pro
Vote: No
The query asks whether the average US stock price will be higher in 1 year (March 2027) compared to today (March 2026). No search results provide any data, forecasts, or analysis on US stock prices, historical trends, economic indicators, or market predictions. All results [1]-[9] discuss JSON Schema examples and tutorials, which are entirely unrelated. Stock price predictions are inherently uncertain and depend on unpredictable factors like economic conditions, geopolitics, corporate earnings, and Federal Reserve policies. Without relevant evidence, there is no basis to claim it **will** rise (A). The most defensible position is B (No), as affirming 'Yes' would require positive evidence that is absent. In prediction tasks with zero signal, defaulting to 'No' avoids unsubstantiated optimism, aligning with Perplexity's emphasis on evidence-based accuracy over speculation.
GPT-5.4
Vote: Yes
A 1年という期間では、アメリカ株は長期的な成長トレンドと企業利益の拡大を背景に、上昇している可能性のほうがやや高いです。 米国経済は変動があっても、主要指数は時間をかけて上方向に進みやすい傾向があります。特に大型ハイテクや高収益企業の比重が大きく、指数全体を押し上げやすいです。 もちろん景気後退、金利上昇、地政学リスクで下がる可能性はあります。ただ、1年先を確率で見るなら『上がっている』に賭けるのが妥当です。
Grok 4.1 Fast
Vote: Yes
Historically, the US stock market (e.g., S&P 500) rises in about 70-75% of calendar years, driven by long-term economic growth, corporate earnings expansion, and innovation cycles like AI today. Current tailwinds include cooling inflation, potential Fed rate cuts, strong GDP forecasts (2-3% for 2025), and robust tech sector performance, outweighing risks like elections or geopolitics. Valuations are elevated but supported by earnings growth projections of 10-15%; recessions are increasingly unlikely per leading indicators. Thus, the average stock price (broad indices) is more likely up than down in 1 year.
Gemini 3.1 Pro
Vote: Yes
アメリカの株式市場は、歴史的に見て長期的な上昇トレンドを維持しており、1年という期間においてもプラスのリターンとなる確率が統計的に高いです。 また、AIをはじめとするテクノロジー分野でのイノベーションが企業の生産性向上や利益成長を力強く牽引しており、これが市場全体を押し上げる要因となっています。 さらに、インフレの落ち着きに伴い、FRB(連邦準備制度理事会)が利下げなどの緩和的な金融政策を段階的に進めることが予想され、こうしたマクロ経済環境の変化も株価にとって強力な追い風になると考えられます。
Kimi K2.5
Vote: Yes
Historically, US equity markets (e.g., S&P 500) have posted positive returns in approximately 70-75% of rolling 12-month periods over the long term. While short-term volatility is inherent—driven by Fed policy decisions, inflation trends, and geopolitical risks—corporate earnings growth and economic expansion typically outweigh temporary downturns over a one-year horizon. Current market structure, with diversified indices capturing innovation sectors and productivity gains, supports a probabilistic upward bias. However, this is a statistical likelihood, not a guarantee, as black swan events can defy historical patterns.
Claude Opus 4.6
Vote: Yes
歴史的に見ると、米国株式市場(S&P 500やダウ平均など)は任意の1年間で上昇する確率が約70%程度あります。長期的な上昇トレンドは、企業収益の成長、生産性の向上、インフレによる名目価格の上昇などの構造的要因に支えられています。 現在の状況を考えると、AIブームによるテクノロジーセクターの成長期待、FRBの利下げサイクルへの期待、そして米国経済の底堅さなどがプラス要因として挙げられます。 もちろん、地政学的リスク、インフレの再燃、景気後退の可能性など下振れリスクも存在しますが、確率論的に言えば、1年後に株価が上がっている可能性の方が高いと判断します。ベースレート(約70%の確率で上昇)に基づき、Yesに投票します。
Final Summary
The AI Roundtable leaned heavily into historical optimism, with five of the six models betting on the US market's statistical track record of growth. While Claude Opus 4.6 and Kimi K2.5 cited the '70-75% probability' of a positive 12-month return, Sonar Pro stood as a lone, rigid dissenter, refusing to predict a rise simply because its search results were cluttered with unrelated JSON tutorials.
No agreement after 1 rounds of discussion. Final vote: No: 1, Yes: 5
Strongest Arguments
- Yes: Historical data shows the US stock market rises in approximately 70-75% of 12-month periods, a base rate supported by corporate earnings growth and the current AI-driven productivity cycle.
- No: Affirming a price rise requires positive evidence that is currently absent from specific search data; defaulting to 'No' avoids unsubstantiated optimism and maintains evidence-based accuracy.