https://documentation.tradier.com/brokerage-api/markets/get-options-chains
rankedpricyness ratio
This is how expensive the options are.
volume ratio
This is the market cap ratio.
NASDAQ
https://data.nasdaq.com/search?filters=%5B%22Options%22%5D&query=options
https://docs.data.nasdaq.com/
GET https://data.nasdaq.com/api/v3/datasets/{database_code}/{dataset_code}/data.{return_format}
python:
nasdaq-data-link
API:
https://data.nasdaq.com/tools/api
curl https://data.nasdaq.com/api/v3/datasets/WIKI/AAPL.csv