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Floor versus electronic trading of government bond futures

Floor versus electronic trading of government bond futures
Floor versus electronic trading of government bond futures
This paper analyses the impact of a transition from open outcry to electronic trading in the UK Long Gilt futures market. Price clustering behaviour is not materially affected, but there is an increased concentration of large trades at more popular prices. After automation, narrower bid-ask spreads tend to be associated with relatively smaller trades. There is a substantial reduction in mean trade size as reduced-depth orders become trades. The mean daily number of transactions and quotations increases substantially, which is entirely consistent with static volumes and decreased mean trade size. Bid-ask spreads widen significantly after automation, which is largely accounted for by the finding that spreads under electronic systems demonstrate an increased sensitivity to price volatility. This effect is accentuated by increased volatility after automation.
electronic trading, price clustering, trading costs, trade size
2003-5
University of Wales
ap Gwilym, Owain
dbd356d9-b22d-420b-a980-7341f6d52f34
McManus, Ian
3889ea10-16aa-478c-b9ec-f2365ac24f79
Thomas, Stephen
f5a5bfe7-9f05-4f81-83d0-14a623c9c14d
ap Gwilym, Owain
dbd356d9-b22d-420b-a980-7341f6d52f34
McManus, Ian
3889ea10-16aa-478c-b9ec-f2365ac24f79
Thomas, Stephen
f5a5bfe7-9f05-4f81-83d0-14a623c9c14d

ap Gwilym, Owain, McManus, Ian and Thomas, Stephen (2003) Floor versus electronic trading of government bond futures (Research Paper, 2003-5) Aberystwyth, Wales. University of Wales 41pp.

Record type: Monograph (Project Report)

Abstract

This paper analyses the impact of a transition from open outcry to electronic trading in the UK Long Gilt futures market. Price clustering behaviour is not materially affected, but there is an increased concentration of large trades at more popular prices. After automation, narrower bid-ask spreads tend to be associated with relatively smaller trades. There is a substantial reduction in mean trade size as reduced-depth orders become trades. The mean daily number of transactions and quotations increases substantially, which is entirely consistent with static volumes and decreased mean trade size. Bid-ask spreads widen significantly after automation, which is largely accounted for by the finding that spreads under electronic systems demonstrate an increased sensitivity to price volatility. This effect is accentuated by increased volatility after automation.

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More information

Published date: 2003
Keywords: electronic trading, price clustering, trading costs, trade size

Identifiers

Local EPrints ID: 36539
URI: http://eprints.soton.ac.uk/id/eprint/36539
PURE UUID: 53aa0db8-2a91-4864-ab7e-0548f27bb0fc

Catalogue record

Date deposited: 21 May 2007
Last modified: 11 Dec 2021 15:33

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Contributors

Author: Owain ap Gwilym
Author: Ian McManus
Author: Stephen Thomas

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