Spot a trend losing fuel before price confirmsBitcoin all time history indexINDEX:BTCUSDyuzernameMost traders wait for price to roll over before exiting a trend. By that point it's already too late, the move is done. The Directional Wave, the aqua area on the indicator, shows the separation between momentum and volatility bias in real time. When the wave starts contracting as price continues making highs, the fuel for the move is quietly leaving. This 4H BTC chart from October 2025 shows exactly that. On the way up conviction is widening. Around the October 5th you can see the contraction before price tops out... and then it flips.