I have written many times over the years about the bullish tendency of the market during opex week in December. I’ve even referred to it as “The Most Wonderful Week of the Year”. And it was…up until last year. So below is an updated look at the stats and profit curve for owning SPX from the close of the Friday before December opex to the close on December opex.

That is a 7% loss you are looking at in 2018. So that will likely take several years to get over. But we are entering the time of year when the market typically has the seasonal winds at its back. And despite the 2018 December collapse, that is something traders may want to keep in mind this week (and even a bit longer).

Want research like this delivered directly to your inbox on a timely basis? Sign up for the Quantifiable Edges Email List.

Learn how to identify edges and formulate swing trading strategies with the Quant Edges Swing Trading Course!