The Whale Accumulation strategy monitors large cryptocurrency transfers between exchange wallets and cold storage addresses. When significant amounts move off exchanges (accumulation), it's interpreted as a bullish signal — whales are moving coins to long-term storage, reducing available supply. Conversely, large inflows to exchanges (distribution) suggest whales are preparing to sell. The $5M+ threshold ensures only genuine whale-tier movements trigger signals, filtering out retail-scale transfers. Across 1,319 trades, the strategy produced a 45.5% win rate and a net loss of $1,354. The 39.7% max drawdown was the deepest of any strategy — a concerning signal. The main failure modes reveal why: "low volatility chop" (277 trades) — whale flows occurred during sideways markets where the directional signal didn't translate to price action; "adverse move" (251) — the whale signal was correct about the direction but the timing was wrong (whale accumulation can precede a move by days or weeks, not hours). The core challenge is temporal: on-chain whale movements are leading indicators, but the lead time is highly variable. An hourly trading strategy expects price impact within hours, while whale accumulation patterns often play out over days to weeks. This strategy might perform better on a daily timeframe with longer holding periods.