Daily Short Sale Volume data is different from the bi-monthly Short Interest data also reported by FINRA. Whereas Short Interest represents open positions, Short Sale Volume represents transactions, some of which are executed to offset other trades that will not necessarily result in an open short position reported in Short Interest data. This explains why Short Sale Volume values are always greater than Short Interest ones.
Daily Short Sale Volume provides aggregated volume by security for all short trades executed and reported to FINRA during normal market hours, i.e., media-reported trades. It's important to note that Short Sale Volume is not consolidated with exchange data and excludes trading activity that is not publicly disseminated.
█ HOW TO USE IT
Load the indicator on an active chart (see here if you don't know how).
If the chart's symbol is traded on one of the exchanges for which FINRA provides Daily Short Sale Volume, it will be displayed in columns. The columns are a brighter red when their value is above average.
You can display Short Sale Volume for another symbol by checking the "Other symbol" checkbox of the script settings' "Inputs" tab and selecting the symbol.
The moving average's length is in days, as Short Volume is daily data. You can hide the average in the script's settings "Style" tab.
Short Interest data reported by FINRA is not yet available on our platform.
On TradingView, Short Sale Volume data is accessible through tickers using special names. For example, NASDAQ:AAPL's Short Sale Volume data can be loaded on your chart via the FINRA:AAPL_SHORT_VOLUME ticker. The indicator displays the name of the ticker used to fetch data in the bottom left. It can be hidden by unchecking the "Tables" item in the "Style" tab of the script's settings.
Possible to get a version of this as a percentage of the total daily volume reported by FINRA? That is, FINRA's total volume figure for each symbol in the same file that contains the daily short volume data this uses. FINRA's total daily volume figures can differ significantly from those given by TV's daily volume indicator.
CALobo
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Doc improvement: Notes section: Change "Short Interest data.." to "Bi-weekly short interest data..."