Study the chart given below carefully and answer the following questions.
OHLC (Open-High-Low-Close) chart given below shows data regarding trading in stock of company – X on 5 different days.
![image.png](https://res.cloudinary.com/aptidude/image/upload/v1756498338/aptidude_questions/gd1vq2ukab3rs6zuyyym.png)
[NOTE: 1. Red Candle – Top end & bottom end represents opening & closing value of the share respectively of a particular day. 2. Green Candle – Top end & bottom end represents closing & opening value of the share respectively of a particular day.
3. Vertical line represents highest & lowest value of the share of a particular day.]
Use the chart data to calculate the required percentage difference.

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**Solution:**

1. **Identify prices from the OHLC chart:**
   - Monday lowest price (purchase price): From the vertical line on Monday, note the lowest value.
   - Thursday highest price (first selling price): From Thursday's vertical line, note the highest value.
   - Friday closing price (second selling price): From Friday's candle, identify the closing price (top or bottom of candle depending on color).

2. **Calculate profit when sold on Thursday:**
   $$	ext{Profit}_{Thu} = 	ext{Thursday Highest Price} - 	ext{Monday Lowest Price}$$

3. **Calculate profit when sold on Friday:**
   $$	ext{Profit}_{Fri} = 	ext{Friday Closing Price} - 	ext{Monday Lowest Price}$$

4. **Calculate profit percentages:**
   $$	ext{Profit \%}_{Thu} = \frac{	ext{Profit}_{Thu}}{	ext{Monday Lowest Price}} 	imes 100$$
   $$	ext{Profit \%}_{Fri} = \frac{	ext{Profit}_{Fri}}{	ext{Monday Lowest Price}} 	imes 100$$

5. **Find the difference in profit percentages:**
   $$	ext{Difference} = 	ext{Profit \%}_{Thu} - 	ext{Profit \%}_{Fri}$$

6. **Calculate the difference in profit/loss percentage:**
   Using the values from the chart (approximate from scale):
   - Monday lowest price = 400
   - Thursday highest price = 1200
   - Friday closing price = 1000

Calculate profits:
   - Profit on Thursday = 1200 - 400 = 800
   - Profit on Friday = 1000 - 400 = 600

Profit percentages:
   - Thursday: (800 / 400) × 100 = 200\%
   - Friday: (600 / 400) × 100 = 150\%

Difference = 200\% - 150\% = 50\%

**Answer:** 50\%

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