Apple currently ranks as the world’s second-largest company by market capitalization behind NVIDIA, with a valuation near $4.44 trillion as of mid-August 2026. This positioning underpins the 86.5% market-implied probability that Apple finishes August in the same spot, reflecting limited near-term volatility expected over the next two weeks. Alphabet sits third at roughly $4.17–4.20 trillion and carries an 11.5% chance of overtaking Apple, driven by its AI investments and search revenue, yet it trails by a margin that would require an unusually sharp stock move to close. Broader AI infrastructure demand continues to favor NVIDIA’s leadership while supporting the wider tech group, but no major product launches, earnings surprises, or regulatory events are scheduled that would materially alter the top-three ordering before month-end. Traders therefore price a high probability of continuity in the current ranking.