Live market ticker. Will NVIDIA be the largest company in the world by market cap on July 31?: 83 percent; Will there be no change in Fed interest rates after the September 2026 meeting?: 45 percent; US x Iran Effective Ceasefire by July 31?: 26 percent; Will Hamas agree to disarm by December 31?: 91 percent; Israel x Iran ceasefire continues through July 31?: 99 percent