The day with the smallest difference between the opening and closing prices is May 14th.
To determine the day with the smallest difference between the opening and closing prices, we need to compare the vertical distance between the opening and closing points for each day on the volume chart. In this case, the day with the smallest difference appears to be May 14th.
Visual Analysis:
Observe the vertical distances between the opening and closing prices for each day on the volume chart.
The smaller the vertical distance, the smaller the difference between the opening and closing prices.
May 14th:
On May 14th, the vertical distance between the opening and closing prices appears to be smaller compared to the other days.
The closing price seems to be slightly below the opening price, indicating a smaller difference.
May 13th, May 12th, May 11th:
By visual inspection, the vertical distances on May 13th, May 12th, and May 11th seem larger compared to May 14th.
Conclusion:
Therefore, based on the chart provided, May 14th had the smallest difference between the opening and closing prices.