Stoic data and Binance data are not in sync. Stoic needs some time to catch up as it updates once every few hours and rebalances daily, while Binance is always up-to-date.
However if you see a meaningful difference for a long time, trust Binance and please send a message into the in-app chat telling us what difference you have in Stoic versus Binance and we will swiftly adjust Stoic to correct numbers π