I have been using SARIMA to forecast a time series as it has trend and seasonality. Is it possible to identify when the time series would reach a certain value? For example when would the time series reach a value of 100 considering trend and seasonality.


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  • $\begingroup$ Would there be something wrong with just keep forecasting into the future? $\endgroup$ – David Jun 4 at 13:42
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    $\begingroup$ You can consider a loop to run through values from 1 till the index where the prediction value reaches 100. $\endgroup$ – Chayan Roychoudhury Banerjee Jun 5 at 10:45