https://api.data.payoff.ch/v2/underlyings/US81181C1045?share=1

{
    "isin": "US81181C1045",
    "symbol": "SGEN",
    "valor": null,
    "name": "Seagen",
    "assetClass": null,
    "tradingExchangeName": null,
    "bid": "228.91",
    "ask": "228.96",
    "bidSize": null,
    "askSize": null,
    "last": "228.74",
    "lastDateTime": "13.12.2023 21:59:59",
    "change": null,
    "ttsId": "tts-830459"
}