The BTC liquidation heatmap estimates where leveraged positions on Binance futures would be closed out. Within 15% of the price $83,215.50 it shows about $616.0M below and $885.0M above. The largest clusters: $79,889.15 (-4.0%, $112.8M), $80,691.05 (-3.0%, $59.1M), $85,674.29 (+3.0%, $122.5M), $86,534.25 (+4.0%, $113.0M).
The BTC order book heatmap shows real limit orders on Binance futures, summed in 0.25% steps. Walls that stand out right now: $84,400.34 (+1.4%, $87.1M), 3.4x the book around it; $98,040.85 (+17.8%, $40.4M), 8.5x the book around it.
Whales on Binance futures hold BTC longs at an average entry of $82,451.71 and shorts at an average entry of $82,221.38.
The map shows where size sits, not where the price will go. It updates every minute.