Stock Price
A stock price rose $20 and is now $100. What was the percent increase?
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
3 solutions
The stock price was 20 initially in the track, no 80. so the percent is 400%.
Log in to reply
The question states that the stock price rose $20 and became $100. That means that the original price was $80 as $100 - $20 = $80. Then use the formula % Δ = x 0 x 1 − x 0 × 1 0 0 % . You would get % Δ = 8 0 1 0 0 − 8 0 × 1 0 0 % = 8 0 2 0 × 1 0 0 % = 4 1 × 1 0 0 % = 1 0 0 2 5 × 1 0 0 % = 2 5 % .
Log in to reply
I am sorry to replay but the question is "A stock price rose $20 and is now $100. What was the percent increase?" There is written "price" not "rise". So someone understands that the initial price is 20. However the question is very easy, it depends only by initial point that you consider.
It's simple, my number went up to $100 by $20, so the original price is $80. 80/20=0.25, i.e. 25% increase :)
80/20= 4 not 0.25
Should have been 2 0 / 8 0 = 2 5 % .
Yeah oops thanks
What if the stock just reverse split?
Initially, the stock price is 8 0 . If the price goes up by x%, then this means the new price is 8 0 x . We set up the following equation and solve: 8 0 x = 1 0 0 ⟶ x = 1 . 2 5 .
The multiplicative factor of 1.25 means the price increase is 25%.