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Prof Owain ap Gwilym

Deputy Head of School / Professor in Finance

owain.apgwilym@bangor.ac.uk

+44 1248 382176

0000-0002-5817-376X

Prof Owain ap Gwilym

View Prof Owain ap Gwilym’s profile on the Bangor Research Portal

Overview

Profile

Professor of Finance

Professor ap Gwilym has published over eighty academic research articles. His work has appeared in many internationally recognised journals such as Journal of Banking and Finance, Journal of International Money and Finance, European Financial Management, Financial Analysts Journal, Journal of Futures Markets and Journal of Business Finance and Accounting. Previously he was Professor of Finance at Aberystwyth University, and he has also held academic posts at the universities of Southampton and Swansea.

He leads the Credit Risk research planning group at Bangor, which includes Professor Rasha Alsakka, Dr Duc Do, Dr Edward Jones, Dr Laurence Jones, Dr Shee-Yee Khoo, Dr Ayan Orujov, Dr Gwion Williams, several PhD students and external associate members.

He has engaged in projects with various organisations including CFA UK, Chartered Banker Institute, Financial Times, Fitch Learning, Fitch Ratings, InteractiveData, Inquire, Moody’s Investors Service, Risk Books and Scottish Widows.

He is an associate editor of the European Journal of Finance and has been editor of World Banking Abstracts. 

Qualifications

PhD (Finance), University of Wales (Swansea).

BSc (Management Science), University of Wales (Swansea).

Roles within Bangor Business School

  • Deputy Head of School.
  • Postgraduate programme director in accounting, banking, business data analytics and finance.
  • Link tutor with Bangor University International College (BUIC).

Additional Contact Information

Professor Owain ap Gwilym

Division: Financial Studies

Location: Room 1.17, Hen Goleg

Telephone: 01248 38 2176

Email: owain.apgwilym@bangor.ac.uk

Teaching and Supervision

Research Interests

Credit risk and credit ratings, European Banking Union, Market microstructure, Investment management.

Research Supervision

I have supervised over 20 completed PhDs.

Some of my PhD graduates have subsequently held academic posts (up to professorial level) at the universities of Aberdeen, Bath, Coventry, East Anglia, Essex, Newcastle, Reading, Southampton, Strathclyde and Swansea, amongst others.

Teaching

Postgraduate Teaching

  • International Financial Markets (ABJ/ASB-4403).
  • Financial Technology (ABJ/ASB-4008).
  • FinTech with Project (ABJ/ASB-4013).
  • Finance Dissertation (co-ordinator, ABJ/ASB-4909).
  • Chartered Financial Analyst (CFA) Pathway (co-ordinator, ABJ/ASB-4910).
  • MSc Dissertations (co-ordinator).
  • Core Competencies for Postgraduate Researchers (ASB-4931).
  • Current Issues in Business & Management (ASB-4936).
  • Doctoral Training: Credit Ratings research.

Undergraduate Teaching

  • Financial Technology (ASB-3008).

Postgraduate Project Opportunities

Credit ratings and ESG ratings, Investment management including Sustainable Investing and Climate Finance.

Publications

2022

  • PublishedDoes competition improve sovereign credit rating quality?  
    Vu, H., Alsakka, R. & ap Gwilym, O., Jan 2022, In: Journal of International Financial Markets, Institutions and Money. 76, 101478.
    Research output: Contribution to journal › Article › peer-review
  • PublishedRegulating rating agencies: A conservative behavioural change
    Jones, L., Alsakka, R., ap Gwilym, O. & Mantovan, N., Jun 2022, In: Journal of Financial Stability. 60, 100999.
    Research output: Contribution to journal › Article › peer-review
  • PublishedThe Impact of Regulatory Reforms on European Bank Behaviour: A Dynamic Structural Estimation
    Jones, L., Alsakka, R., ap Gwilym, O. & Mantovan, N., Nov 2022, In: European Economic Review. 150, 104280.
    Research output: Contribution to journal › Article › peer-review

2020

  • PublishedCommonality in Liquidity across Options and Stock Futures Markets
    Benzennou, B., ap Gwilym, O. & Williams, G., Jan 2020, In: Finance Research Letters. 32, 101096.
    Research output: Contribution to journal › Article › peer-review
  • PublishedMarket reactions to the implementation of the Banking Union in Europe
    Pancotto, L., ap Gwilym, O. & Williams, J., 23 May 2020, In: European Journal of Finance. 26, 7-8, p. 640-665
    Research output: Contribution to journal › Article › peer-review

2019

  • PublishedInvestors’ heterogeneous beliefs and the impact of sovereign credit ratings in foreign exchange and equity markets
    Tran, V., Alsakka, R. & ap Gwilym, O., 2 Sep 2019, In: European Journal of Finance. 25, 13, p. 1211-1233
    Research output: Contribution to journal › Article › peer-review
  • PublishedThe European Bank Recovery and Resolution Directive: A market assessment
    Pancotto, L., ap Gwilym, O. & Williams, J., Oct 2019, In: Journal of Financial Stability. 44
    Research output: Contribution to journal › Article › peer-review
  • PublishedThe impact of ESMA regulatory identifiers on the quality of ratings
    Klusak, P., Alsakka, R. & ap Gwilym, O., Nov 2019, In: International Review of Financial Analysis. 66, 101365.
    Research output: Contribution to journal › Article › peer-review

2018

  • PublishedAre single stock futures used as an alternative during a short-selling ban?
    Benzennou, B., ap Gwilym, O. & Williams, G., Jan 2018, In: Journal of Futures Markets. 38, 1, p. 66-82
    Research output: Contribution to journal › Article › peer-review
  • PublishedThe influence of rating levels and rating convergence on the spillover effects of sovereign credit actions
    Abad, P., Alsakka, R. & ap Gwilym, O., Jul 2018, In: Journal of International Money and Finance. 85, p. 40-57
    Research output: Contribution to journal › Article › peer-review

2017

  • PublishedDifferences of opinion in sovereign credit signals during the European crisis
    Alsakka, R., ap Gwilym, O. M. & Vu, H., 2017, In: European Journal of Finance. 23, p. 859-884
    Research output: Contribution to journal › Article › peer-review
  • PublishedDoes the disclosure of unsolicited sovereign rating status affect bank ratings?
    Klusak, P., Alsakka, R. & ap Gwilym, O., Mar 2017, In: British Accounting Review. 49, 2, p. 194-210
    Research output: Contribution to journal › Article › peer-review
  • PublishedWhat drives differences of opinion in sovereign ratings? The roles of information disclosure and political risk
    Vu, H., Alsakka, R. & ap Gwilym, O., Jul 2017, In: International Journal of Finance and Economics. 22, 3, p. 216-233
    Research output: Contribution to journal › Article › peer-review

2016

  • PublishedCommonality in equity options liquidity: Evidence from European Markets
    Verousis, T., ap Gwilym, O. & Voukelatos, N., 24 May 2016, In: European Journal of Finance. 22, 12, p. 1204-1223
    Research output: Contribution to journal › Article › peer-review
  • PublishedIn Search of Concepts: The Effects of Speculative Demand on Stock Returns
    ap Gwilym, O. M., Hasan, I., Wang, Q. & Xie, R., 2 Jun 2016, In: European Financial Management. 22, 3, p. 427-449
    Research output: Contribution to journal › Article › peer-review
  • PublishedThe Impact of a Premium-Based Tick Size on Equity Option Liquidity
    Verousis, T., ap Gwilym, O. & Voukelatos, N., 7 Mar 2016, In: Journal of Futures Markets. 36, 4, p. 397-417
    Research output: Contribution to journal › Article › peer-review

2015

  • PublishedDoes sovereign creditworthiness affect bank valuations in emerging markets?
    Williams, G. L., Alsakka, R. & ap Gwilym, O. M., 10 Feb 2015, In: Journal of International Financial Markets, Institutions and Money. 36, p. 113-129
    Research output: Contribution to journal › Article › peer-review
  • PublishedMarket impact under a new regulatory regime: Credit rating agencies in Europe
    Alsakka, R., ap Gwilym, O., Klusak, P. & Tran, V., 28 Jun 2015, In: Economic Notes. 44, 2, p. 275-308
    Research output: Contribution to journal › Article › peer-review
  • PublishedThe credit signals that matter most for sovereign bond spreads with split rating
    Vu, H., Alsakka, R. & ap Gwilym, O. M., May 2015, In: Journal of International Money and Finance. 53, p. 174-191
    Research output: Contribution to journal › Article › peer-review
  • PublishedThe intraday determination of liquidity in the NYSE LIFFE equity option markets
    Verousis, T., ap Gwilym, O. & Chen, X., 13 Mar 2015, In: European Journal of Finance.
    Research output: Contribution to journal › Article › peer-review

2014

  • PublishedSovereign rating actions and the implied volatility of stock index options
    Tran, V., Alsakka, R. & ap Gwilym, O. M., 5 Jun 2014, In: International Review of Financial Analysis. 34, p. 101-113
    Research output: Contribution to journal › Article › peer-review
  • PublishedSpeculate against speculative demand
    ap Gwilym, O. M., Ap Gwilym, O., Kita, A. & Wang, Q., 26 Mar 2014, In: International Review of Financial Analysis. 34, p. 212-221
    Research output: Contribution to journal › Article › peer-review
  • PublishedThe implications of a price anchoring effect at the upstairs market of the London Stock Exchange
    Verousis, T. & ap Gwilym, O., Mar 2014, In: International Review of Financial Analysis. 32, p. 37-46
    Research output: Contribution to journal › Article › peer-review
  • PublishedThe sovereign-bank rating channel and rating agencies' downgrades during the European debt crisis
    ap Gwilym, O. M., Alsakka, R., Ap Gwilym, O. & Vu, T. N., 13 Apr 2014, In: Journal of International Money and Finance. 49, part B, p. 235-257
    Research output: Contribution to journal › Article › peer-review

2013

  • PublishedA substitution effect between price clustering and size clustering in credit default swaps
    Meng, L., Verousis, T. & ap Gwilym, O., 1 Apr 2013, In: Journal of International Financial Markets, Institutions and Money. 24, April, p. 139-152
    Research output: Contribution to journal › Article › peer-review
  • PublishedPrice Clustering in Individual Equity Options: Moneyness, Maturity, and Price Level
    ap Gwilym, O. M. & Verousis, T., 1 Jan 2013, In: Journal of Futures Markets. 33, 1, p. 55-76
    Research output: Contribution to journal › Article › peer-review
  • PublishedRating agencies’ signals during the European sovereign debt crisis: Market impact and spillovers
    Alsakka, R. & ap Gwilym, O. M., 1 Jan 2013, In: Journal of Economic Behavior and Organization. 85, p. 144-162
    Research output: Contribution to journal › Article › peer-review
  • PublishedThe impact of sovereign rating actions on bank ratings in emerging markets
    ap Gwilym, O. M., Williams, G. L. & Alsakka, R., 1 Feb 2013, In: Journal of Banking and Finance. 37, 2, p. 563-577
    Research output: Contribution to journal › Article › peer-review

2012

  • PublishedForeign exchange market reactions to sovereign credit news
    Alsakka, R. & ap Gwilym, O., 1 Jun 2012, In: Journal of International Money and Finance. 31, 4, p. 845-864
    Research output: Contribution to journal › Article › peer-review
  • PublishedRating agencies' credit signals: An analysis of sovereign watch and outlook
    Alsakka, R. & ap Gwilym, O., 1 Jan 2012, In: International Review of Financial Analysis. 21, p. 45-55
    Research output: Contribution to journal › Article › peer-review
  • PublishedTactical Equity Investing Across Bull and Bear Markets
    ap Gwilym, O., Clare, A., Seaton, J. & Thomas, S., 1 Mar 2012, In: Journal of Wealth Management. p. 61-69
    Research output: Contribution to journal › Article › peer-review
  • PublishedThe causes and extent of split sovereign credit ratings in emerging markets.
    Alsakka, R. & ap Gwilym, O., 1 Jan 2012, In: Emerging Markets Finance and Trade. 48, 1, p. 4-24
    Research output: Contribution to journal › Article › peer-review
  • PublishedTrade size clustering and the cost of trading at the London Stock Exchange
    ap Gwilym, O. M., Verousis, T. & Ap Gwilym, O., 18 Sep 2012, In: International Review of Financial Analysis.
    Research output: Contribution to journal › Article › peer-review

2011

  • PublishedExplaining international equity valuation ratios: The roles of commodity price inflation and relative asset volatilities
    Clare, A., ap Gwilym, O., Seaton, J. & Thomas, S., 2011, In: Journal of Asset Management. 12, p. 11-29
    Research output: Contribution to journal › Article › peer-review
  • PublishedGold stocks, the gold price and market timing
    ap Gwilym, O., Clare, A., Seaton, J. & Thomas, S., 4 Aug 2011, In: Journal of Derivatives and Hedge Funds. 17, p. 266-278
    Research output: Contribution to journal › Article › peer-review
  • PublishedReturn reversals and the compass rose: insights from high frequency options data
    ap Gwilym, O. M., Verousis, T. & Ap Gwilym, O., 1 Sep 2011, In: European Journal of Finance. 17, 9-10, p. 883-896
    Research output: Contribution to journal › Article › peer-review
  • PublishedSovereign rating actions: is the criticism justified?
    Alsakka, R. & ap Gwilym, O., 1 Dec 2011, In: Intereconomics : review of European economic policy. 46, 5, p. 248-253
    Research output: Contribution to journal › Article › peer-review
  • PublishedStructural changes, bid-ask spread composition and tick size in inter-bank futures trading.
    McGroarty, F., ap Gwilym, O. M. & Thomas, S., 1 Apr 2011, In: European Journal of Finance. 17, 4, p. 285-306
    Research output: Contribution to journal › Article › peer-review

2010

  • PublishedA random effects ordered probit model for rating migrations
    Alsakka, R. & ap Gwilym, O., 1 Sep 2010, In: Finance Research Letters. 7, 3, p. 140-147
    Research output: Contribution to journal › Article › peer-review
  • PublishedAn improved algorithm for cleaning Ultra high-frequency data.
    ap Gwilym, O. M., Verousis, T. & Ap Gwilym, O., 1 Feb 2010, In: Journal of Derivatives and Hedge Funds. 15, 4, p. 323-340
    Research output: Contribution to journal › Article › peer-review
  • PublishedLeads and lags in sovereign credit ratings.
    Alsakka, R. & ap Gwilym, O. M., 1 Nov 2010, In: Journal of Banking and Finance. 34, 11, p. 2614-2626
    Research output: Contribution to journal › Article › peer-review
  • PublishedMarket structure and microstructure, in international interest rate futures markets.
    ap Gwilym, O. M., McGroarty, F., Ap Gwilym, O. & Thomas, S., 1 Sep 2010, In: Research in International Business and Finance. 24, 3, p. 253-266
    Research output: Contribution to journal › Article › peer-review
  • PublishedOpen interest, cross listing, and information shocks.
    Aguenaou, S., ap Gwilym, O. M. & Rhodes, M., 5 Nov 2010, In: Journal of Futures Markets. 31, 8, p. 755-778
    Research output: Contribution to journal › Article › peer-review
  • PublishedPrice and momentum as robust tactical approaches to global equity investing.
    ap Gwilym, O. M., Ap Gwilym, O., Clare, A., Seaton, J. & Thomas, S., 1 Oct 2010, In: Journal of Investing. 19, 3, p. 80-91
    Research output: Contribution to journal › Article › peer-review
  • PublishedPrice clustering and underpricing in the IPO aftermarket.
    ap Gwilym, O. M., Ap Gwilym, O. & Verousis, T., 1 Mar 2010, In: International Review of Financial Analysis. 19, 2, p. 89-97
    Research output: Contribution to journal › Article › peer-review
  • PublishedSize clustering in the FTSE100 index futures market.
    ap Gwilym, O. M., Ap Gwilym, O. & Meng, L., 1 May 2010, In: Journal of Future Markets. 30, 5, p. 432-443
    Research output: Contribution to journal › Article › peer-review
  • PublishedSplit sovereign ratings and rating migrations in emerging economies.
    ap Gwilym, O. M., Alsakka, R. & Ap Gwilym, O., 1 Jun 2010, In: Emerging Markets Review. 11, 2, p. 79-97
    Research output: Contribution to journal › Article › peer-review

2009

  • PublishedConsistent dividend growth investment strategies.
    ap Gwilym, O. M., Ap Gwilym, O., Clare, A. D., Seaton, J. & Thomas, S. H., 1 Dec 2009, In: Journal of Wealth Management. 12, 3, p. 113-124
    Research output: Contribution to journal › Article › peer-review
  • PublishedDividends and Momentum.
    ap Gwilym, O. M., Ap Gwilym, O., Clare, A. D., Seaton, J. & Thomas, S. H., 1 Jun 2009, In: Journal of Investing. 18, 2, p. 42-49
    Research output: Contribution to journal › Article › peer-review
  • PublishedFutures market liquidity under floor and electronic trading.
    ap Gwilym, O. M., McManus, I., Ap Gwilym, O., Thomas, S., Morrey, J. (ed.) & Guyton, A. (ed.), 1 Jan 2009, Liquidity: Interest Rates and Banking. 2009 ed. Nova Science, p. 111-138
    Research output: Chapter in Book/Report/Conference proceeding › Chapter
  • PublishedHeterogeneity of sovereign rating migrations in emerging countries.
    ap Gwilym, O. M., Alsakka, R. & Ap Gwilym, O., 1 Jun 2009, In: Emerging Markets Review. 10, 2, p. 151-165
    Research output: Contribution to journal › Article › peer-review
  • PublishedProspective utility and time-varying optimal asset allocation for the UK: 1803-1995.
    ap Gwilym, O. M., McManus, I., Ap Gwilym, O. & Thomas, S., 25 Jul 2009, In: International Journal of Behavioural Accounting and Finance. 1, 2, p. 95-110
    Research output: Contribution to journal › Article › peer-review
  • PublishedThe determinants of trading volume for cross-listed Euribor futures contracts.
    ap Gwilym, O. M., Ap Gwilym, O., Aguenaou, S. & Rhodes, M., 1 Jan 2009, In: European Journal of Finance. 15, 1, p. 89-102
    Research output: Contribution to journal › Article › peer-review
  • PublishedThe role of private information in return volatility, bid-ask spreads and price levels in the foreign exchange market.
    McGroarty, F., ap Gwilym, O. M. & Thomas, S., 1 Apr 2009, In: Journal of International Financial Markets, Institutions and Money. 19, 2, p. 387-401
    Research output: Contribution to journal › Article › peer-review
  • PublishedVolatility Transmission Among the CDS, Equity, and Bond Markets.
    ap Gwilym, O. M., Meng, L., Ap Gwilym, O. & Varas, J., 1 Nov 2009, In: Journal of Fixed Income. 18, 3, p. 33-46
    Research output: Contribution to journal › Article › peer-review

2008

  • PublishedThe determinants of CDS bid-ask spreads.
    ap Gwilym, O. M., Meng, L. & Ap Gwilym, O., 1 Oct 2008, In: Journal of Derivatives. 16, 1, p. 70-80
    Research output: Contribution to journal › Article › peer-review
  • PublishedVery long term equity investment strategies: real stock prices and mean reversion.
    ap Gwilym, O. M., Ap Gwilym, O., Seaton, J. & Thomas, S., 1 Jun 2008, In: Journal of Investing. 17, 2, p. 15-23
    Research output: Contribution to journal › Article › peer-review

2007

  • PublishedProspective utility and the equity risk premium.
    ap Gwilym, O. M., Thomas, S., Ap Gwilym, O. & McManus, I., 1 Jan 2007, In: Professional Investor. 17, 7, p. 24-28
    Research output: Contribution to journal › Article › peer-review
  • PublishedThe Use of Credit Ratings in Investment Management in the US and Europe
    ap Gwilym, O. M., Cantor, R., Ap Gwilym, O. & Thomas, S., 1 Oct 2007, In: Journal of Fixed Income. 17, 2, p. 13-26
    Research output: Contribution to journal › Article › peer-review
  • PublishedThe characteristics and evolution of credit default swap trading.
    ap Gwilym, O. M., Meng, L. & Ap Gwilym, O., 1 Nov 2007, In: Journal of Derivatives and Hedge Funds. 13, 3, p. 186-198
    Research output: Contribution to journal › Article › peer-review
  • PublishedThe components of electronic inter-dealer spot FX bid-ask spreads.
    ap Gwilym, O. M., McGroarty, F., Ap Gwilym, O. & Thomas, S., 1 Nov 2007, In: Journal of Business Finance and Accounting. 34, 9-10, p. 1635-1650
    Research output: Contribution to journal › Article › peer-review

2006

  • PublishedDoes the Fed Model travel well?: For short run tactical allocation, yes, but not for the long haul.
    ap Gwilym, O. M., Ap Gwilym, O., Seaton, J., Suddason, K. & Thomas, S. H., 1 Sep 2006, In: Journal of Portfolio Management. 33, 1, p. 68-75
    Research output: Contribution to journal › Article › peer-review
  • PublishedInternational evidence on the payout ratio, earnings, dividends, and returns.
    ap Gwilym, O. M., Ap Gwilym, O., Seaton, J., Suddason, K. & Thomas, S. H., 1 Jan 2006, In: Financial Analysts Journal. 62, 1, p. 36-53
    Research output: Contribution to journal › Article › peer-review
  • PublishedMicrostructure effects, bid-asks spreads and volatility in the spot foreign exchange market pre and post-EMU.
    ap Gwilym, O. M., McGroarty, F., Ap Gwilym, O. & Thomas, S., 1 Sep 2006, In: Global Finance Journal. 17, 1, p. 23-49
    Research output: Contribution to journal › Article › peer-review
  • PublishedModelling sovereign credit ratings: Neural networks versus ordered probit.
    Bennell, J. A., Crabbe, D., Thomas, S., ap Gwilym, O. & Ap Gwilym, O., 1 Apr 2006, In: Expert Systems with Applications. 30, 3, p. 415-425
    Research output: Contribution to journal › Article › peer-review
  • PublishedPayment history, past returns and the performance of UK zero dividend stocks.
    ap Gwilym, O. M., McManus, I. D., Ap Gwilym, O. & Thomas, S. H., 1 Jan 2006, In: Managerial Finance. 32, 6, p. 518-536
    Research output: Contribution to journal › Article › peer-review

2005

  • PublishedCredit default swaps: Theory and Empirical Evidence.
    ap Gwilym, O. M., Meng, L. & Ap Gwilym, O., 1 Mar 2005, In: Journal of Fixed Income. 14, 4, p. 17-28
    Research output: Contribution to journal › Article › peer-review
  • PublishedDividend yield investment strategies, the payout ration and zero-dividend stocks.
    ap Gwilym, O. M., Ap Gwilym, O., Seaton, J. & Thomas, S. H., 1 Dec 2005, In: Journal of Investing. 14, 4, p. 69-74
    Research output: Contribution to journal › Article › peer-review
  • PublishedFractional versus decimal pricing: evidence from the UK Long Gilt futures market.
    ap Gwilym, O. M., Ap Gwilym, O., McManus, I. & Thomas, S., 1 May 2005, In: Journal of Futures Markets. 25, 5, p. 419-442
    Research output: Contribution to journal › Article › peer-review
  • PublishedImpact of demographic and economic variables on financial policy purchase timing decisions.
    ap Gwilym, O. M., Thomas, L. C., Thomas, S., Tang, L. & Ap Gwilym, O., 1 Sep 2005, In: Journal of the Operational Research Society. 56, 9, p. 1051-1062
    Research output: Contribution to journal › Article › peer-review

2004

  • PublishedThe role of payout ratio in the relationship between stock returns and dividend yield.
    ap Gwilym, O. M., McManus, I., Ap Gwilym, O. & Thomas, S., 1 Nov 2004, In: Journal of Business Finance and Accounting. 31, 9-10, p. 1355-1387
    Research output: Contribution to journal › Article › peer-review

2003

  • PublishedDecreased price clustering in FTSE100 futures contracts following a transfer from floor to electronic trading.
    ap Gwilym, O. M., Ap Gwilym, O. & Alibo, E., 1 Jul 2003, In: Journal of Futures Markets. 23, 7, p. 647-659
    Research output: Contribution to journal › Article › peer-review

2002

  • PublishedAn empirical comparison of quoted and implied bid-ask spreads on futures contracts.
    ap Gwilym, O. M., Ap Gwilym, O. & Thomas, S., 1 Feb 2002, In: Journal of International Financial Markets, Institutions and Money. 12, 1, p. 81-99
    Research output: Contribution to journal › Article › peer-review
  • PublishedBid-ask spreads and the liquidity of international bonds.
    ap Gwilym, O. M., Ap Gwilym, O., Trevino, L. & Thomas, S. H., 1 Sep 2002, In: Journal of Fixed Income. 12, 2, p. 82-91
    Research output: Contribution to journal › Article › peer-review
  • PublishedEvidence on trading mechanisms.
    ap Gwilym, O. M., Ap Gwilym, O., Board, J. (ed.), Sutclifee, C. (ed.) & Wells, S. (ed.), 1 Jan 2002, Transparency and Fragmentation: Financial Market Regulation in a Dynamic Environment. 2002 ed. Palgrave Macmillan, p. 101-140
    Research output: Chapter in Book/Report/Conference proceeding › Chapter

2001

  • PublishedForecasting volatility for options pricing for the U.K. stock market.
    ap Gwilym, O. M. & Ap Gwilym, O., 1 Jul 2001, In: Journal of Financial Management and Analysis. 14, 2, p. 55-62
    Research output: Contribution to journal › Article › peer-review
  • PublishedProblems encountered when using high frequency financial market data: suggested solutions.
    ap Gwilym, O. M., Ap Gwilym, O. & Sutcliffe, C., 1 Jan 2001, In: Journal of Financial Management and Analysis. 14, 1, p. 38-51
    Research output: Contribution to journal › Article › peer-review
  • PublishedThe lead-lag relationship between the FTSE100 stock index and its derivative contracts.
    ap Gwilym, O. M., Ap Gwilym, O. & Buckle, M., 1 Aug 2001, In: Applied Financial Economics. 11, 4, p. 385-393
    Research output: Contribution to journal › Article › peer-review

2000

  • PublishedDividend stability, dividend yield and stock returns: UK evidence.
    ap Gwilym, O. M., Ap Gwilym, O., Morgan, G. & Thomas, S., 1 Apr 2000, In: Journal of Business Finance and Accounting. 27, 3-4, p. 261-281
    Research output: Contribution to journal › Article › peer-review
  • PublishedForecasting UK stock market volatility.
    ap Gwilym, O. M., McMillan, D., Speight, A. & Ap Gwilym, O., 1 Aug 2000, In: Applied Financial Economics. 10, 4, p. 435-448
    Research output: Contribution to journal › Article › peer-review
  • PublishedIntra-day volatility components in FTSE-100 stock index futures.
    ap Gwilym, O. M., Speight, A. E., McMillan, D. G. & Ap Gwilym, O., 1 Jan 2000, In: Journal of Futures Markets. 20, 5, p. 425-444
    Research output: Contribution to journal › Article › peer-review
  • PublishedPrice clustering under floor and electronic trading.
    Bennell, J. & ap Gwilym, O., 1 Jan 2000, In: Derivatives Use, Trading and Regulation. 5, 4, p. 354-362
    Research output: Contribution to journal › Article › peer-review

Other Information

Activities

Associate Editor

Journal of Banking and Finance, 2013-17.

International Review of Financial Analysis, 2011-17.

Editor

World Banking Abstracts, 2022.

PhD external examinations

Universities of Bath, Bradford, Bristol, Cardiff, City University of London, Durham, Edinburgh, Hull, Manchester, Reading, Robert Gordon, Southampton, St Andrews, Swansea, Sydney.

MSc External Examination

Universities of Aston, Exeter, Lancaster, Manchester.

MBA External Examination

Bayes Business School (formerly Cass).

BSc External Examination

University of London (LSE), Bristol, Cardiff.

Other indicators of the impact of research

Research profiled in the Financial Times and the New York Times.

Ranked as one of the top 30 most prolific authors in mathematical finance journals between 1999 and 2016, according to Samitas and Kampouris (2018, International Review of Financial Analysis). https://doi.org/10.1016/j.irfa.2017.11.006

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