Bellow the scatter diagram of open and close price from 01/01/2016 till today. Very similar and opposing dates as all these years passed a climate of recession, coronavirus, slow and fast economic rhythms of development.
Scatterplot
The linear regression developed taking open price as unchanged dependent variable with moving highs, lows and eventually the closing price of the day. Very robust data with dates 2016-2020 were selected on proposed.
Linear Regression
| Model Fit Measures | |||||
|---|---|---|---|---|---|
| Model | R | R² | |||
| 1 | 0.998 | 0.995 | |||
| Model Coefficients - Open | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Predictor | Estimate | SE | t | p | |||||
| Intercept | 0.0643 | 0.1961 | 0.328 | 0.743 | |||||
| High | 1.0065 | 0.0162 | 62.154 | < .001 | |||||
| Low | 0.7089 | 0.0156 | 45.579 | < .001 | |||||
| Close | -0.7168 | 0.0208 | -34.425 | < .001 | |||||
Assumption Checks
Q-Q Plot
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