I think for October I only took the first 15 days so its a partial month. I wanted to included it to see if HF20 had any major impact but other than that I would have excluded it.

I have not looked into the profitability of vote buying, but I have also heard that its under a bit of 'pressure'

What would be interesting to add would be a follow up on the post you did a few months back on what portion of the rewards pool bots and autovoting distribute, I wonder has that changed much now?