News · daily report
Smart-Money Report: Whales Net Short on BTC — Sep 21, 2026
WhaleRoom's daily read on what tracked whales did across BTC, ETH, SOL and the spot ETFs over the last 24 hours — built entirely from proprietary position data.
Bitcoin saw a +5.45% increase today, reaching $84.9K. Whales hold a net short position in BTC, with 39% identified as long. The long vs short count today stands at 10 long and 21 short.
The largest whale move today was an $11.05M LONG build, while the biggest trim was $7.22M LONG. Today's ETH accumulation index is 35/100, and the SOL accumulation index is also 35/100.
BTC spot ETF net flow was $433M today, with ETH spot ETF net flow at $143.7M.
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Sources: WhaleRoom proprietary whale, Hyperliquid & spot-ETF-flow tracking.