نقطة التحول

the sentence includes a reference to to a "hedging strategy" "التحوط" which indicates that the term breakout in this particular context refers to (price) breakout. that said, 'Breakout' can be defined as:
A price movement through an identified level of support or resistance, which is usually followed by heavy volume and increased volatility. Traders will buy the underlying asset when the price breaks above a level of resistance and sell when it breaks below support.