Does anyone have a good source for historical earnings dates? I need a minimum of 8 previous earnings dates (yahoo has this but the data is so bad I question why it's even there). I do not mind paying for access to a good API (but I do not want to pay the $1200 zacks is asking for. I'll go as high as $50 a month). I also need a good source for estimated up coming earnings (just one earnings ahead), currently I am scraping the first paragraph from Nasdaq and extracting the date https://www.nasdaq.com/earnings/report/orcl . The problem I am having is Nasdaq has not received estimated earnings date from Zacks for half the companys! https://www.nasdaq.com/earnings/report/aapl . its not very reliable for what I am looking to do.
. Having said that, I was hoping there's a feed or API ( FREE ) somewhere...