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What Does the Order Book Depth Tell Us about Price Impact?
Stockholms universitet, Samhällsvetenskapliga fakulteten, Företagsekonomiska institutionen, Finansiering.ORCID-id: 0000-0003-3404-4960
(Engelska)Manuskript (preprint) (Övrigt vetenskapligt)
Abstract [en]

I estimate the price impact implied by limit order book (LOB) depth, using methodology from Sandås (2001). The idea is that LOB depth reflects market makers’ beliefs about the price impact of market orders. I find the price impact estimates are slightly lower than those from a structural vector autoregressive model, but slightly higher than those from price impact regression. Thus, the LOB-implied price impact estimates match those from benchmark models, contradicting earlier research. I shed new light on limit order informativeness, contributing to contemporary literature on the increased information content of limit orders relative to market orders.

Nyckelord [en]
Market microstructure
Nationell ämneskategori
Företagsekonomi
Forskningsämne
företagsekonomi
Identifikatorer
URN: urn:nbn:se:su:diva-173914OAI: oai:DiVA.org:su-173914DiVA, id: diva2:1356518
Tillgänglig från: 2019-10-01 Skapad: 2019-10-01 Senast uppdaterad: 2019-10-02Bibliografiskt granskad
Ingår i avhandling
1. New Insights on Computerized Trading: Implications of Frequently Revised Trading Decisions
Öppna denna publikation i ny flik eller fönster >>New Insights on Computerized Trading: Implications of Frequently Revised Trading Decisions
2019 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
Abstract [en]

Computerized trading may be viewed as an aspect of modernization of financial markets. This dissertation contains four articles that in different ways examine to what extent the modernization influences the economics of the markets.

Article 1 investigates transaction costs for large orders which are split up by execution algorithms to be executed in smaller pieces.  I find that the costs associated with not being able to execute all pieces are substantial. These costs can be lowered by speeding up the trading pace but at the expense of higher costs for the successfully executed pieces.

Article 2 investigates the strategies trading firms pursue in particular cases, known as toxic arbitrage opportunities. We find that trading firms, that otherwise behave as market makers, morph into liquidity takers as toxic arbitrage opportunities emerge. In contrast to common belief, market makers are net beneficiaries of toxic arbitrage, and this finding puts into question whether the amount of toxic arbitrage leads to wider bid-ask spreads.

Article 3 investigates the information content of limit orders in an alternative way by studying the price impact implied by the depth in the limit order book. I find that the price impact estimates are slightly lower relative to those from a structural vector auto regressive model, but slightly higher compared to those from a price impact regression. Thus, the limit order book implied price impact estimates match those from benchmark models, and this finding contradicts earlier research.

Article 4 investigates the economic rationale behind limit order cancellations. We put forth a model that explains the frequent limit order cancellations seen in today’s markets, and we test its predictions using a unique data set from Nasdaq. Our results points towards that frequent order cancellations is a benign feature of modern market making, as opposed to different types of manipulative behavior.

Ort, förlag, år, upplaga, sidor
Stockholm: Stockholm Business School, Stockholm University, 2019. s. 18
Nationell ämneskategori
Företagsekonomi
Forskningsämne
företagsekonomi
Identifikatorer
urn:nbn:se:su:diva-173359 (URN)978-91-7797-869-5 (ISBN)978-91-7797-870-1 (ISBN)
Disputation
2019-11-06, Gröjersalen, hus 3, Kräftriket, Roslagsvägen 101, Stockholm, 14:00 (Engelska)
Opponent
Handledare
Anmärkning

At the time of the doctoral defense, the following papers were unpublished and had a status as follows: Paper 1: Manuscript. Paper 2: Manuscript. Paper 3: Manuscript. Paper 4: Manuscript.

Tillgänglig från: 2019-10-14 Skapad: 2019-09-22 Senast uppdaterad: 2019-10-18Bibliografiskt granskad

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