S&P 500 Remains Stuck Between Gamma Levels: Will Bears Get Some Respite at Last?

 | Dec 29, 2023 16:55

I took half a day off today to spend time with my family, and I did family things in New York City in the rain.

However, I paid attention to the day’s main points and understood what was happening. It appears that today has turned into a mini-monthly opex and could serve as a mini-turning point.

According to Gammlabs, the net gamma in the S&P 500 right now is about $625 billion, and today, 33% percent will expire, or $207 billion.

All things being equal, the total gamma should be $418 billion after today, down from a sizeable $1.5 trillion at the December 15 opex.

As gamma levels in the S&P 500 fall, the market tends to become less stable, and when it flips into negative gamma, that is when volatility picks up; the market slips into negative gamma when the S&P 500 falls below the 0 gamma level.