3 ms·
Use a log scale, it makes easier to compare the performance in different periods and the spread between the two lines gives you the relative performance (when b
by kgwgk 7y ago
Use a log scale, it makes easier to compare the performance in different periods and the spread between the two lines gives you the relative performance (when both stocks have the same performance the lines move in parallel, when the spread widens the upper line is performing better and vice versa).
- lonelappde 7y agoThis ask avoids the problem of having the entire comparison determined by the arbitrary or deceptive choice of start date for baseline price.