Hello ,
The following ticker 3SUL is cannot be trade under ISA account. However the issuer advertise that it is ISA compliant. Could you therefore please update your database to trade this ticker ?
https://www.wisdomtree.eu/en-gb/-/media/eu-media-files/key-documents/factsheet/etf-securities/factsheet---wisdomtree-sugar-3x-daily-leveraged.pdf
Thank you,