Option chains
Option chains are missing alot of expiry dates. Currently
AAPL only shows 21-6-19 , 19-7-19 and 17-1-20 https://finance.yahoo.com/quote/aapl/options
HD shows to proper weekly contracts for Feb and March https://finance.yahoo.com/quote/hd/options
CAT show 17-5-19 and 21-6-19 https://finance.yahoo.com/quote/CAT/options
This is a systemic problem with the DOW 30 stocks missing there weekly expirations
These 3 examples used to (3 weeks ago) have weekly expiration's reporting
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