Why the ‘JPMorgan option whale’ can help the stock market over the next week - MarketWatch
1. JPMorgan's whale trade may boost S&P 500 rally next week. 2. S&P 500 rose 1.8% and over 4% this month. 3. JHEQX sold 40,000 call options worth $24 billion last quarter. 4. Market makers will adjust exposure, influencing S&P 500 movements. 5. Muir predicts higher prices if S&P stays above 5,565.