I am new to Quantopian and looking forward to go through the Lectures. I was able see and play around with the notebooks (2-3 days ago). But I can't now. I am getting the following error :
The webpage at https://research-i-215bc737.prd.int.dynoquant.com/user/(MY_USER_HASH)/clone_notebook?u=(MY_USER_HASH)&n=(THERE_IS_SOME_OTHER_HASH_HERE)&t=Cloned+from+"Quantopian+Lecture+Series%3A+Variance" might be temporarily down or it may have moved permanently to a new web address.
I have used (MY_USER_HASH) and (THERE_IS_SOME_OTHER_HASH_HERE) to anonymize those
It is for all the lectures.