Broadband SED around the three IXPE observations. Data from MAGIC were corrected for the extragalactic background light absorption using the model outlined in Domínguez et al. (2011). In plain colored markers, the Swift-XRT data correspond to the pointing that happened first within the IXPE windows. The Swift-XRT data in diamond markers with a face color in white are from the subsequent observation. For comparison, the SED of an average emission state of Mrk 421 from Abdo et al. (2011) is shown in light gray.