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Vol Vibes

Monthly OpEx

September 2025 - SPX & SPX Index Options Historical Performance

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Vol Vibes
Sep 18, 2025
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All indices heading into OpEx at ATH, including small caps, inching above the 2021 peak. Absolutely nothing mattered last few weeks, SPX only 2 tiny red days with ~5% ramp from Sep lows.

Revisiting the OpEx paper:

Continues to trade flattish since the paper was published in 2022.

Updated historical performance for OpEx - SPX Options:

(All option $payoffs …

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