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Matches Lean.Brokerages.TerminalLink#131, which maps IndexOption contracts to the Bloomberg Index yellow key for EMSX order routing. Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
Matches Lean.Brokerages.TerminalLink#131, which maps IndexOption contracts to the Bloomberg Index yellow key for EMSX order routing. Co-authored-by: Claude Fable 5 <noreply@anthropic.com>