Prices in a single currency, so peer comparisons do not fail on the exchange rate.
curl "$API/performance/peer-comparison/SAP?window=1y"
{
"ticker": "SAP", "window": "1y", "currency": "EUR",
"return": 0.184, "peerMedian": 0.096, "percentile": 78
}
Price comparisons across borders are misleading without currency normalisation — part of the apparent outperformance is then just the exchange rate.
The series are therefore kept in one shape and shared by scoring and market capitalisation, rather than sourced anew per use case.
| GET | /performance/peer-comparison/{identifier} | Price comparison against peers |
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