According to @KobeissiLetter, the S&P 500 reached a new all-time high on August 28, 2025, source: @KobeissiLetter. According to @KobeissiLetter, the index is now up about 33% from its April 2025 low, source: @KobeissiLetter. Crypto traders often track US equity highs as a macro risk gauge and for cross-asset correlation inputs when positioning in BTC and ETH, source: Kaiko research.