Regarding buggy options data at YahooFinance (both via Web and via API),
I've posted examples and a workaround solution to effectively detect the buggy data (and filtering out):
https://www.elitetrader.com/et/thre...n-not-marked-in-the-data.378280/#post-5925980
I've posted examples and a workaround solution to effectively detect the buggy data (and filtering out):
https://www.elitetrader.com/et/thre...n-not-marked-in-the-data.378280/#post-5925980