Use tradingClass for extra filtering of option chain#614
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brndnmtthws merged 1 commit intobrndnmtthws:mainfrom Nov 6, 2025
Merged
Use tradingClass for extra filtering of option chain#614brndnmtthws merged 1 commit intobrndnmtthws:mainfrom
brndnmtthws merged 1 commit intobrndnmtthws:mainfrom
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brndnmtthws
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Nov 6, 2025
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Sometimes an option has multiple trading classes which causes the filtering logic to prematurely choose the wrong trading class. For example, load the ETF
IWMin IBKR TWS Options Trader and you can choose multiple trading classes.Notice how SMART shows up twice in the dataset:
chain-data.py