No. Oct 15 was the last day, but if you expect a refund then there is not penalty for being late.
Also note that e-file and online for 2018 is now closed getting ready for 2019. 2018 can now only be paper filed and mailed using the CD/download software.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**