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Quantitative Finance · शब्दावली

Volatility per trade क्या है?

Definition 3.2 Microstructure and Execution · अध्याय 3 — Empirical Facts of Order Books

The volatility per trade σ1\sigma_1 of an instrument is the standard deviation of the change in the mid price between one trade and the next.

Mean spread against volatility per trade: eight configurations of chapter 1’s zero-intelligence market (100 000 events each) and ten of firm.tape (20 simulated minutes each, informed intensity and efficient-price jump rate varied). The zero-intelligence spreads follow the line; firm.tape’s stay near one tick. Data: mx_facts.spread_vs_vol_zi, mx_facts.spread_vs_vol.
Figure 3.1. Mean spread against volatility per trade: eight configurations of chapter 1’s zero-intelligence market (100 000 events each) and ten of firm.tape (20 simulated minutes each, informed intensity and efficient-price jump rate varied). The zero-intelligence spreads follow the line; firm.tape’s stay near one tick. Data: mx_facts.spread_vs_vol_zi, mx_facts.spread_vs_vol.
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