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| Market Context: – Markets appear to be in a positive gamma cycle, with call positions building slowly. This should work to reduce volatility and support markets into August OPEX. S&P 500 Levels: – $4,200 Resistance (Top Of Range) – $4,150 Key Pivot (Middle Of Range) – $4,100 Support (Bottom Of Range) What To Watch: – Expecting little change in our positive gamma stance into the monthly options expiration (OPEX). – A break of ~$4,100 Volatility Trigger increases the potential for an accelerated sell-off. – Watch 1-month realized volatility (ref: 19, 8/2/22) as a baseline for IV (i.e. VIX). If RVOL continues to decline it implies IV can drag lower, which is a market tailwind. | here). This is implied by the skew of the model which shows dealer options deltas increasing as markets go higher and IV comes down. This suggests dealers need to short more as markets goes up, and buy those futures back as the market goes down.
In other words: we favor mean reversion in this market, as opposed to significant directional changes.  Finally, we wanted to share a bit of data we’ve monitoring. Recently we made the comment that gamma (and stability) seems slower to build because a lot of the volume/OI is concentrated in short dated options. For SPY alone we found that typically >60% of daily volume is in contracts with <5 DTE. However, only ~15% of open interest sits at those short dated contracts. Further, we’ve plotted the SPY options volume/open interest for <5 DTE contracts. As you can see there is now a strong trend of short dated volumes being ~200% of open interest. In other words, this is “day trading” and not actual positions.  A more complete report on this is in the works, but initially this suggests that markets prices will generally remain more frenetic as the short dated positions move much more frequently. It may also imply more jump risk in markets as day trading volumes pile on to intraday trends.
      
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