Properties of Realized Variance Under Alternative Sampling Schemes
Bibliographic Data
| ID | 19420137 |
|---|---|
| Authors | Roel C A Oomen (0009-0009-4324-4068, University of Warwick, corresponding author) |
| Year | 2006 |
| Volume | 24 |
| Issue | 2 |
| Pages | 219-237 |
| Publication date | 2006-04-01 |
| Open Access | No |
| Type | ARTICLE |
| Venue | Journal of Business and Economic Statistics (JOURNAL) |
| Journal identifiers | ISSN: 0735-0015 • E-ISSN: 1537-2707 |
| Publisher | Informa UK Limited (PUBLISHER • GB) |
| DOI | 10.1198/073500106000000044 |
| OpenAlex | W1994281962 |
| Language | EN |
| Citations received | 9 |
| References cited | 39 |
This article investigates the statistical properties of the realized variance estimator in the presence of market microstructure noise. Different from the existing literature, the analysis relies on a pure jump process for high-frequency security prices and explicitly distinguishes among alternative sampling schemes, including calendar time sampling, business time sampling, and transaction time sampling. The main finding in this article is that transaction time sampling is generally superior to the common practice of calendar time sampling in that it leads to a lower mean squared error (MSE) of the realized variance. The benefits of sampling in transaction time are particularly pronounced when the trade intensity pattern is volatile. Based on IBM transaction data over the period 2000–2004, the empirical analysis finds an average optimal sampling frequency of about 3 minutes with a steady downward trend and significant day-to-day variation related to market liquidity and a consistent reduction in MSE of the realized variance due to sampling in transaction time that is about 5% on average but can be as high as 40% on days with irregular trading
Database · Database transaction · Econometrics · Economics · Estimator · Realized variance · Statistics · Systematic sampling · Telecommunications · Computer Science · Financial Markets and Investment Strategies · Financial Risk and Volatility Modeling · Mathematics · Stochastic processes and financial applications · Accounting
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| Citations per year | 0.45 |
|---|---|
| Citation span | 2006 - 2023 (18) |
| Highly cited | No |