A flat tape on triple witching does not tell me much by itself. Expiry flows, dealer hedging and rebalancing can keep the headline index unusually quiet even while there is significant movement underneath.
What stands out more is the divergence: semiconductors gained nearly 3%, while several megacaps weakened. That suggests money was rotating within the market rather than simply moving into or out of equities as a whole.
I would therefore pay more attention to whether semiconductor strength and broader participation continue after the expiry-related flows disappear. If they do, Friday's divergence becomes more meaningful. If everything snaps back next week, much of it was probably positioning noise around triple witching.
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