Top Moves on Polymarket & Kalshi — 2026-09-04

{ "title": "GPT-6 Release Odds Jump 5.8pp to 27%, Fed Rate Cut Probability Dips to 64%", "body": "Prediction markets on Polymarket saw notable shifts in the last 24 hours, with artificial intelligence and macroeconomic policy taking center stage. Speculation around future AI development surged, while the likelihood of an imminent Federal Reserve rate cut experienced a slight pullback.\n\n## Artificial Intelligence Momentum\n\nOptimism for future AI breakthroughs saw a significant uptick. The market asking \"Will GPT-6 be released in 2026?\" jumped by 5.8 percentage points to 27%, making it the largest absolute mover of the day. This market saw substantial trading volume, reaching $1,640,000. Similarly, the probability for \"Will an AI model score 90%+ on the ARC-AGI benchmark in 2026?\" rose by 4.5 percentage points to 33%, with $210,000 in volume. These movements indicate growing confidence among market participants regarding rapid advancements in AI capabilities and deployment.\n\n## Macroeconomic Outlook and Fed Policy\n\nThe probability of a Federal Reserve rate cut at the next FOMC meeting decreased slightly, with the market \"Will the Fed cut rates at the next FOMC meeting?\" falling by 3.1 percentage points to 64%. This market attracted the second-highest trading volume of the day at $2,110,000, reflecting persistent investor interest in monetary policy. Concurrently, the market for \"Will US Q3 2026 GDP growth exceed 2.5%?\" saw a modest increase of 1.8 percentage points, now standing at 41%, with $780,000 in volume. These shifts suggest a nuanced view, with markets perhaps paring back immediate rate-cut expectations while showing slightly increased confidence in future economic growth.\n\n## Crypto and Political Dynamics\n\nIn the cryptocurrency space, the long-term bullish sentiment for Bitcoin continued to gain traction. The market predicting \"Will Bitcoin reach $200,000 before 2028?\" rose by 2.4 percentage points to 38%, garnering the highest trading volume of the day at $4,820,000. Conversely, the market for \"Will Ethereum flip Bitcoin by market cap in 2026?\" saw a slight decline of 1.2 percentage points to 8%, indicating skepticism about Ethereum surpassing Bitcoin in the near future. On the political front, the market for \"Will the Democrats win the 2028 US presidential election?\" saw a marginal increase of 0.9 percentage points to 47%, with significant volume of $9,800,000, suggesting a closely watched contest still several years out.\n\n**What to watch:** Continued AI development milestones and upcoming economic data releases for Federal Reserve policy cues.