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BID-ASK SPREAD DYNAMICS: LARGE UPWARD JUMP WITH GEOMETRIC CATASTROPHES

Research output: Contribution to journalArticlepeer-review

Abstract

We propose a simple continuous-time stochastic model for capturing the dynamics of a limit order book in the presence of liquidity fluctuations, manifested by gaps in filled price levels within the OB. Inspired by [D. Farmer, L. Gillemot, F. Lillo, S. Mike and A. Sen, Quant. Finance 4 (2004) 383–397.], we define a model for the dynamics of spread that incorporates liquidity fluctuations and undertake a comprehensive theoretical study of the model’s properties, providing rigorous proofs of several key asymptotic theorems. Furthermore, we show how large deviations manifest in the spread under this regime.

Original languageEnglish
Pages (from-to)1375-1399
Number of pages25
JournalRAIRO - Operations Research
Volume58
Issue number2
DOIs
StatePublished - Mar 2024
Externally publishedYes

Keywords

  • Markov models
  • geometric catastrophes
  • limit order book
  • liquidity fluctuations

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