Crypto — 2026-08-21

Crypto daily report for reference date 2026-08-21. Daily price action, momentum (RSI), volatility (ATR), 52-week range position, and S&P 500 and dollar (DXY) correlation. Facts only — reporting, not advice.

CRYPTO SNAPSHOT (as of 2026-08-21, config order)
closeday %RSI (pct)52wk20d ret (pct)S&P corr 52wDXY corr 52w
Bitcoin (BTC)$75566.5+3.47%83.6 (98th)26.0%+20.40% (86th)+0.38-0.25
Ethereum (ETH)$2367.36+1.76%85.4 (99th)25.0%+28.42% (87th)+0.37-0.30
Solana (SOL)$89.33+1.93%79.6 (97th)15.0%+24.30% (80th)+0.36-0.20
Dogecoin (DOGE)$0.08274+2.88%76.6 (97th)6.2%+19.79% (82nd)+0.36-0.20