Options trading patterns may help timing the S&P (NOT a financial advice!)
barrons.com
barrons.com
In case IF the mentioned pattern persists, it would be possible to make daily gains on S&P: sell in the morning, buy back in the afternoon.
In addition (the article didn't mention) the sentiment around particular stock or index can be derived from its options prices. Therefore, even for those who have no intention of trading options, options-related data can be of great use.