Shorties options: new, expanded weeklies
Last week Thursday I noticed SPY and IWM option chains showed weekly options for several upcoming weeks. See this article:
Shorties Options Will Stand Tall. The development is a good thing because more flexibility and options allow me to take advantage of varying degrees of relatively close-in time decay.

If you study the option chain for SPY's weekly series for the next several weeks, you will notice plenty of open interest and daily volume to make it worthwhile to consider a range of weekly opportunities. CBOE's available weekly options list sports a new format to identify tickers that are participating in these shorter-dated calls and puts.

Additionally, if you trade weeklies, keep in mind that due to the Thanksgiving holiday, new weeklies will be added on Wednesday for options that expire on November 30th.