Chart discrepancy

Why is there such a big difference between how much Freetrade thinks that Twitter’s stock has changed today vs Apple/Yahoo?

Is this another one of those thing which comes down to Freetrade charting from the day’s opening price while everyone else charts from the previous day’s closing price?


It’s always been a bugbear of mine as the Freetrade price is more often than not at odds with just about every other site I look at…