Price Discretization Effects
Price discretization effects occur because assets trade in discrete price steps, or "ticks," rather than continuous values. This constraint impacts the accuracy of models that assume continuous price movement, particularly when analyzing small price changes.
In cryptocurrency markets, where tick sizes vary across exchanges, these effects can influence the behavior of order books and the estimation of volatility. For quantitative traders, accounting for these effects is important to avoid biased estimates of price impact and slippage.
It requires the use of specialized statistical techniques that recognize the limited precision of price data. Understanding this helps in creating more realistic simulations of trading environments and execution outcomes.
It is a subtle but important detail in the study of market microstructure and technical architecture.