Making Sense

Trading Insights: Intraday options, levered ETFs and the retail investor

Jul 22, 2025
Matthieu Boisot, Head of Cross-Asset at J.P. Morgan's QIS, joins Eloise Goulder to discuss pivotal trends in trading. They delve into the explosive growth of short-dated options and levered ETFs, emphasizing the need for retail investors to track gamma for intraday moves. Boisot shares insights on the evolution of volatility alpha strategies and the intricate dynamics that shape today’s markets. The conversation highlights the challenges of simplifying trading strategies while exploring the future landscape for investors.
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INSIGHT

Gamma Imbalance Drives Intraday Moves

  • Intraday momentum or mean reversion in markets is largely driven by gamma imbalance in options trading.
  • Market makers short gamma exacerbate price moves by buying more on rises and selling more on falls during the day.
INSIGHT

Levered ETFs Amplify Gamma Exposure

  • Levered ETFs by nature create short gamma exposure because they must rebalance holdings as the underlying changes.
  • This dynamic adds to overall market gamma imbalance and contributes to intraday market moves.
INSIGHT

Rise of Short-Dated Options

  • Volume has shifted heavily to very short-dated options, including zero-day-to-expiry (0DTE) options.
  • These options carry extreme gamma, making their impact on intraday volatility complex to model and track.
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