# All Questions

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### How to form Decile Portfolios based on Liquidity measure with missing data in R

I have a dataframe with over 4000 companies data (as column) and have calculted their daily Quoted spread measure ( measures liquidity for each stock) for 15 years. And then from the daily have ...
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### Observing bid-ask bounce in high frequency stock data

I have a series of 1-minute return data for an unnamed stock, a sample is provided below, in order: ...