The major indexes fell before the Thanksgiving holiday due some tech turkeys, but came off lows. Nvidia stock fought back to hold key support.

Here’s what investors should know about trading hours on Turkey Day. The New York Stock Exchange and the Nasdaq Stock Market will be closed Thursday. The U.S. bond market and over-the-counter markets will also be closed.

The Cboe Skew Index, which measures options traders’ demand for tail-risk hedges, has risen sharply since Nov. 12, when it touched a post-election low. The index closed above 167 on Monday, its highest reading in more than two months, according to LSEG data.

Dating back a century, the week of Thanksgiving and the stretch through New Year’s tends to be positive for stocks.

The stock market will be closed on Thursday for Thanksgiving, and only be open between 9.30 a.m. and 1 p.m. Eastern Time on Black Friday. While some investors' thoughts will already be turning to turkeys and pumpkin pies,

Thursday: U.S. markets are closed for the Thanksgiving holiday. Friday: Markets close early in the U.S. The stock market closes at 1 p.m., while bond markets are slated to shut down an hour later. Black Friday marks the start of the holiday shopping season.