The above subject is a fundamental computation that you offer to be placed on a chart.

Is the calculation updated on a nightly bases and how is it interpreted?

Thank you.

Accounted4 / aka K.Oliver

All fundamentals are calculated on a daily basis as new information becomes available. So the values may not change every day if the available underlying data is not changing.

Latest short interest ratio is the takes the short interest and divides it by the average daily volume of the stock.