| Description | This indicator allows you to filter based on the number of days since a particular event occurred. The "days" feature allows you to specify the event and a period of time; it returns the number of days since the event most recently occurred. For example, suppose you want to find stocks where the most recent Bollinger breach was 10 days ago: 
  
 
 Another example that controls the timing of two moving average crossovers: 
  
 
 Finally, an example where the 14-day RSI crossed from below 30 to above 70 within the last 2 weeks: 
  
 
 Note: the "above -1" portion of the filter adds the requirement that the crossover above 70 must have occurred. 
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