The recent sharp fluctuations in the semiconductor sector may not be entirely driven by fundamentals. According to analysis, a surge in short-term call option contracts is triggering a "gamma squeeze" effect. When a large number of investors concentrate on buying short-term call options, market makers, acting as counterparties, need to purchase the underlying stocks to hedge their risk, further driving up stock prices. However, once these options expire or stock prices reverse direction, market makers quickly unwind their positions in the opposite direction, amplifying declines as well. This mechanism has not only affected popular chip stocks like Intel, Advanced Micro Devices, and Micron Technology but has also spilled over to stocks unrelated to semiconductors, such as the car rental company Avis Budget Group. Investors should be cautious, as this derivative-driven volatility could reverse at any time.
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