Stock Returns 3D Surface Chart Maker
A 3D chart with fewer than 50 prices is not too meaningful. The chart does not include enough returns to show distinctive returnl patterns. 3D charts with more than 1000 prices will be slow to display and will show a truncated area of returns. Daily prices add up quickly so avoid them for multi-year charts. Use monthly prices instead.
The computation of the number returns displayed on a 3D chart is:
Number percent returns = (Number of prices * (Number of prices - 1 )) / 2
For example, a series of 100 prices generates 4,950 returns. One thousand prices generates 499,500 returns.
Each buy and sell percent return is computed as:
Percent return = ((Sell price - Buy Price) / Buy Price) * 100.
3D surface charts are drawn using ploty.js.
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