德转预热戴维身价：最高4500万欧不变，最低下跌至3000万欧（德转前瞻戴维估值：上限维持4500万欧，下限下调至3000万欧）

Ensuring accurate info

I need to make sure I’m not adding any false information. The mention of "Transfermarkt预热" indicates speculation, so I should refer to it cautiously as "据德转的预热更新/预测" since it's not official. I want to avoid claiming contract expiry unless I'm certain. Jonathan David’s contract goes until 2025, which is accurate as he joined Lille in 2020 on a five-year deal. His price ranges from 45 million at the top to 30 million at the low end.