S&P 500: The Music May Be About to Stop

Published 23/09/2025, 07:41
Updated 23/09/2025, 07:42

The S&P 500 finished higher by around 45 bps, while the equal-weight RSP ended lower on the day by nearly 40 bps. It wasn’t exactly a great day for most of the market, though you wouldn’t know that by looking at the headline readings.

It feels like things are going from bad to worse on a daily basis in the S&P 500, with the index getting increasingly stretched. I’ve been asked a few times over the weekend and again yesterday when it might turn, and my answer has been the same each time—I think we’re there. A significant amount of liquidity has been drained from reserve balances, and we’ve seen that pressure show up in the overnight repo markets as well.

With OPEX behind us, there’s no pinning effect supporting the market at this point. Meanwhile, realized volatility remains at very low levels, even as dispersion is running quite high.S&P 500 Dispersion Index-Daily Chart

The volatility of S&P 500 constituents was higher yesterday, which seemed odd, though the VIX was also higher—also unusual given that the S&P 500 finished up on the day.S&P 500 Constituent Volatility Index-Daily Chart

9-day realized volatility ticked higher on the day, rising from a minuscule 4.89 to 4.95.Realizied Volatility Chart

Meanwhile, 3-month realized volatility fell to 8.65.Realizied Volatility Chart.

There isn’t a single indicator that can tell us the market is topping, but when you combine several together—and consider how overvalued the index and many of its stocks are, along with the liquidity that has already been drained—you realize there doesn’t need to be a specific reason for a turn, and just that the music stopped.

Original Post

Latest comments

Risk Disclosure: Trading in financial instruments and/or cryptocurrencies involves high risks including the risk of losing some, or all, of your investment amount, and may not be suitable for all investors. Prices of cryptocurrencies are extremely volatile and may be affected by external factors such as financial, regulatory or political events. Trading on margin increases the financial risks.
Before deciding to trade in financial instrument or cryptocurrencies you should be fully informed of the risks and costs associated with trading the financial markets, carefully consider your investment objectives, level of experience, and risk appetite, and seek professional advice where needed.
Fusion Media would like to remind you that the data contained in this website is not necessarily real-time nor accurate. The data and prices on the website are not necessarily provided by any market or exchange, but may be provided by market makers, and so prices may not be accurate and may differ from the actual price at any given market, meaning prices are indicative and not appropriate for trading purposes. Fusion Media and any provider of the data contained in this website will not accept liability for any loss or damage as a result of your trading, or your reliance on the information contained within this website.
It is prohibited to use, store, reproduce, display, modify, transmit or distribute the data contained in this website without the explicit prior written permission of Fusion Media and/or the data provider. All intellectual property rights are reserved by the providers and/or the exchange providing the data contained in this website.
Fusion Media may be compensated by the advertisers that appear on the website, based on your interaction with the advertisements or advertisers
© 2007-2025 - Fusion Media Limited. All Rights Reserved.