Bollinger Bands creator flips bullish on Bitcoin as BTC breaks above upper band for second time since January!

John Bollinger, the developer of the widely-used Bollinger Bands indicator, has taken a position in bitcoin after one of his investment fund's proprietary trading models turned positive on the asset. The move follows bitcoin closing above its upper Bollinger Band for the second consecutive time since mid-January — a setup that traditionally signals strong upward momentum emerging from a period of volatility compression.

Bitcoin was trading around $80,484 at the time of reporting, up roughly 9% over the past 30 days, though still 36% below its October 2025 all-time high of $126,000. The critical near-term question is whether BTC can sustain its position above the upper band — a confirmed hold would reinforce the bullish technical case, while a rejection pushes price back into the consolidation range.

Adding to the technical picture, a related MVRV indicator has reached overheated…