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Owain ap Gwilym

Personal Details

First Name:Owain
Middle Name:
Last Name:ap Gwilym
Suffix:
RePEc Short-ID:pap39
[This author has chosen not to make the email address public]
https://www.bangor.ac.uk/business/staff/owain-ap-gwilym/en
Terminal Degree:1996 School of Management; Swansea University (from RePEc Genealogy)

Affiliation

Bangor Business School
Bangor University

Bangor, United Kingdom
http://www.bangor.ac.uk/business/
RePEc:edi:sabanuk (more details at EDIRC)

Research output

as
Jump to: Working papers Articles Chapters

Working papers

  1. Vu Tran & Rasha Alsakka & Owain ap Gwilym, 2018. "Multiple credit ratings and market heterogeneity," Working Papers 2018-26, Swansea University, School of Management.
  2. Gwilym, Owain Ap & Wang, Qvigwei & Hasan, Iftekhar & Xie, Ru, 2013. "In search of concepts: The effects of speculative demand on returns and volume," Bank of Finland Research Discussion Papers 10/2013, Bank of Finland.
  3. Gwion Williams & Rasha Alsakka & Owain ap Gwilym, 2013. "The Impact of Sovereign Credit Signals on Bank Share Prices during the European Sovereign Debt Crisis," Working Papers 13007, Bangor Business School, Prifysgol Bangor University (Cymru / Wales).
  4. Gwilym, Owain Ap & Wang, Qvigwei & Hasan, Iftekhar & Xie, Ru, 2013. "In search of concepts: The effects of speculative demand on returns and volume," Bank of Finland Research Discussion Papers 10/2013, Bank of Finland.
  5. O. Gwilym & L. Meng, 2010. "Size clustering in the FTSE-100 index futures market," Post-Print hal-00569087, HAL.
  6. Rasha Alsakka & Owain ap Gwilym, 2010. "Sovereign Ratings and Migrations: Emerging Markets," Working Papers 10009, Bangor Business School, Prifysgol Bangor University (Cymru / Wales).
  7. Rasha Alsakka & Owain ap Gwilym, 2010. "The Extent and Causes of Sovereign Split Ratings," Working Papers 10008, Bangor Business School, Prifysgol Bangor University (Cymru / Wales).
  8. L. Meng & O. Gwilym & J. Varas, 2009. "Volatility transmission among the CDS, equity, and bond markets," Post-Print halshs-00487331, HAL.
  9. L. Meng & O. Gwilym, 2008. "The determinants of CDS Bid-Ask Spreads," Post-Print hal-00487025, HAL.
  10. L. Meng & O. Ap Gwilym, 2007. "The characteristics and evolution of credit default swap trading," Post-Print hal-00325165, HAL.

Articles

  1. Pancotto, Livia & ap Gwilym, Owain & Williams, Jonathan, 2024. "The evolution and determinants of the non-performing loan burden in Italian banking," Pacific-Basin Finance Journal, Elsevier, vol. 84(C).
  2. Wenjie Ding & Khelifa Mazouz & Owain ap Gwilym & Qingwei Wang, 2023. "Technical analysis as a sentiment barometer and the cross-section of stock returns," Quantitative Finance, Taylor & Francis Journals, vol. 23(11), pages 1617-1636, November.
  3. Pancotto, Livia & ap Gwilym, Owain & Molyneux, Philip, 2023. "Deal! Market reactions to the agreement on the EU Covid-19 recovery fund," Journal of Financial Stability, Elsevier, vol. 67(C).
  4. Vu, Huong & Alsakka, Rasha & ap Gwilym, Owain, 2022. "Does competition improve sovereign credit rating quality?," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 76(C).
  5. Jones, Laurence & Alsakka, Rasha & ap Gwilym, Owain & Mantovan, Noemi, 2022. "The impact of regulatory reforms on European bank behaviour: A dynamic structural estimation," European Economic Review, Elsevier, vol. 150(C).
  6. Jones, Laurence & Alsakka, Rasha & ap Gwilym, Owain & Mantovan, Noemi, 2022. "Regulating rating agencies: A conservative behavioural change," Journal of Financial Stability, Elsevier, vol. 60(C).
  7. Livia Pancotto & Owain ap Gwilym & Jonathan Williams, 2020. "Market reactions to the implementation of the Banking Union in Europe," The European Journal of Finance, Taylor & Francis Journals, vol. 26(7-8), pages 640-665, May.
  8. Benzennou, Bouchra & ap Gwilym, Owain & Williams, Gwion, 2020. "Commonality in liquidity across options and stock futures markets," Finance Research Letters, Elsevier, vol. 32(C).
  9. Pancotto, Livia & ap Gwilym, Owain & Williams, Jonathan, 2019. "The European Bank Recovery and Resolution Directive: A market assessment," Journal of Financial Stability, Elsevier, vol. 44(C).
  10. Vu Tran & Rasha Alsakka & Owain ap Gwilym, 2019. "Investors’ heterogeneous beliefs and the impact of sovereign credit ratings in foreign exchange and equity markets," The European Journal of Finance, Taylor & Francis Journals, vol. 25(13), pages 1211-1233, September.
  11. Klusak, Patrycja & Alsakka, Rasha & ap Gwilym, Owain, 2019. "The impact of ESMA regulatory identifiers on the quality of ratings," International Review of Financial Analysis, Elsevier, vol. 66(C).
  12. Bouchra Benzennou & Owain ap Gwilym & Gwion Williams, 2018. "Are single stock futures used as an alternative during a short‐selling ban?," Journal of Futures Markets, John Wiley & Sons, Ltd., vol. 38(1), pages 66-82, January.
  13. Abad, Pilar & Alsakka, Rasha & ap Gwilym, Owain, 2018. "The influence of rating levels and rating convergence on the spillover effects of sovereign credit actions," Journal of International Money and Finance, Elsevier, vol. 85(C), pages 40-57.
  14. Klusak, Patrycja & Alsakka, Rasha & Gwilym, Owain ap, 2017. "Does the disclosure of unsolicited sovereign rating status affect bank ratings?," The British Accounting Review, Elsevier, vol. 49(2), pages 194-210.
  15. Rasha Alsakka & Owain ap Gwilym & Huong Vu, 2017. "Differences of opinion in sovereign credit signals during the European crisis," The European Journal of Finance, Taylor & Francis Journals, vol. 23(10), pages 859-884, August.
  16. Owain Ap Gwilym & Iftekhar Hasan & Qingwei Wang & Ru Xie, 2016. "In Search of Concepts: The Effects of Speculative Demand on Stock Returns," European Financial Management, European Financial Management Association, vol. 22(3), pages 427-449, June.
  17. Thanos Verousis & Owain ap Gwilym & Nikolaos Voukelatos, 2016. "The Impact of a Premium‐Based Tick Size on Equity Option Liquidity," Journal of Futures Markets, John Wiley & Sons, Ltd., vol. 36(4), pages 397-417, April.
  18. Thanos Verousis & Owain ap Gwilym & Nikolaos Voukelatos, 2016. "Commonality in equity options liquidity: evidence from European Markets," The European Journal of Finance, Taylor & Francis Journals, vol. 22(12), pages 1204-1223, September.
  19. Thanos Verousis & Owain ap Gwilym & XiaoHua Chen, 2016. "The intraday determination of liquidity in the NYSE LIFFE equity option markets," The European Journal of Finance, Taylor & Francis Journals, vol. 22(12), pages 1164-1188, September.
  20. Rasha Alsakka & Owain ap Gwilym & Patrycja Klusak & Vu Tran, 2015. "Market Impact under a New Regulatory Regime: Credit Rating Agencies in Europe," Economic Notes, Banca Monte dei Paschi di Siena SpA, vol. 44(2), pages 275-308, July.
  21. Williams, Gwion & Alsakka, Rasha & ap Gwilym, Owain, 2015. "Does sovereign creditworthiness affect bank valuations in emerging markets?," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 36(C), pages 113-129.
  22. Vu, Huong & Alsakka, Rasha & Gwilym, Owain ap, 2015. "The credit signals that matter most for sovereign bond spreads with split rating," Journal of International Money and Finance, Elsevier, vol. 53(C), pages 174-191.
  23. ap Gwilym, O. & Kita, A. & Wang, Q., 2014. "Speculate against speculative demand," International Review of Financial Analysis, Elsevier, vol. 34(C), pages 212-221.
  24. Alsakka, Rasha & ap Gwilym, Owain & Vu, Tuyet Nhung, 2014. "The sovereign-bank rating channel and rating agencies' downgrades during the European debt crisis," Journal of International Money and Finance, Elsevier, vol. 49(PB), pages 235-257.
  25. Tran, Vu & Alsakka, Rasha & ap Gwilym, Owain, 2014. "Sovereign rating actions and the implied volatility of stock index options," International Review of Financial Analysis, Elsevier, vol. 34(C), pages 101-113.
  26. Williams, Gwion & Alsakka, Rasha & ap Gwilym, Owain, 2013. "The impact of sovereign rating actions on bank ratings in emerging markets," Journal of Banking & Finance, Elsevier, vol. 37(2), pages 563-577.
  27. Meng, Lei & Verousis, Thanos & ap Gwilym, Owain, 2013. "A substitution effect between price clustering and size clustering in credit default swaps," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 24(C), pages 139-152.
  28. Alsakka, Rasha & ap Gwilym, Owain, 2013. "Rating agencies’ signals during the European sovereign debt crisis: Market impact and spillovers," Journal of Economic Behavior & Organization, Elsevier, vol. 85(C), pages 144-162.
  29. Verousis, Thanos & ap Gwilym, Owain, 2013. "Trade size clustering and the cost of trading at the London Stock Exchange," International Review of Financial Analysis, Elsevier, vol. 27(C), pages 91-102.
  30. Owain ap Gwilym & Thanos Verousis, 2013. "Price Clustering in Individual Equity Options: Moneyness, Maturity, and Price Level," Journal of Futures Markets, John Wiley & Sons, Ltd., vol. 33(1), pages 55-76, January.
  31. Rasha Alsakka & Owain ap Gwilym, 2012. "The Causes and Extent of Split Sovereign Credit Ratings in Emerging Markets," Emerging Markets Finance and Trade, Taylor & Francis Journals, vol. 48(1), pages 4-24, January.
  32. Alsakka, Rasha & ap Gwilym, Owain, 2012. "Rating agencies' credit signals: An analysis of sovereign watch and outlook," International Review of Financial Analysis, Elsevier, vol. 21(C), pages 45-55.
  33. Alsakka, Rasha & ap Gwilym, Owain, 2012. "Foreign exchange market reactions to sovereign credit news," Journal of International Money and Finance, Elsevier, vol. 31(4), pages 845-864.
  34. Frank McGroarty & Owain ap Gwilym & Stephen Thomas, 2011. "Structural changes, bid-ask spread composition and tick size in inter-bank futures trading," The European Journal of Finance, Taylor & Francis Journals, vol. 17(4), pages 285-306.
  35. Thanos Verousis & Owain ap Gwilym, 2011. "Return reversals and the compass rose: insights from high frequency options data," The European Journal of Finance, Taylor & Francis Journals, vol. 17(9-10), pages 883-896, November.
  36. Andrew Clare & Owain ap Gwilym & James Seaton & Stephen Thomas, 2011. "Explaining international equity valuation ratios: The roles of commodity price inflation and relative asset volatilities," Journal of Asset Management, Palgrave Macmillan, vol. 12(1), pages 11-29, April.
  37. Samir Aguenaou & Owain Ap Gwilym & Mark Rhodes, 2011. "Open interest, cross listing, and information shocks," Journal of Futures Markets, John Wiley & Sons, Ltd., vol. 31(8), pages 755-778, August.
  38. Alsakka, Rasha & ap Gwilym, Owain, 2010. "Leads and lags in sovereign credit ratings," Journal of Banking & Finance, Elsevier, vol. 34(11), pages 2614-2626, November.
  39. Owain ap Gwilym & Lei Meng, 2010. "Size clustering in the FTSE100 index futures market," Journal of Futures Markets, John Wiley & Sons, Ltd., vol. 30(5), pages 432-443, May.
  40. Al-Sakka, Rasha & ap Gwilym, Owain, 2010. "Split sovereign ratings and rating migrations in emerging economies," Emerging Markets Review, Elsevier, vol. 11(2), pages 79-97, June.
  41. McGroarty, Frank & ap Gwilym, Owain & Thomas, Steve, 2010. "Market structure and microstructure, in international interest rate futures markets," Research in International Business and Finance, Elsevier, vol. 24(3), pages 253-266, September.
  42. ap Gwilym, Owain & Verousis, Thanos, 2010. "Price clustering and underpricing in the IPO aftermarket," International Review of Financial Analysis, Elsevier, vol. 19(2), pages 89-97, March.
  43. Alsakka, Rasha & ap Gwilym, Owain, 2010. "A random effects ordered probit model for rating migrations," Finance Research Letters, Elsevier, vol. 7(3), pages 140-147, September.
  44. McGroarty, Frank & ap Gwilym, Owain & Thomas, Stephen, 2009. "The role of private information in return volatility, bid-ask spreads and price levels in the foreign exchange market," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 19(2), pages 387-401, April.
  45. Owain ap Gwilym & Samir Aguenaou & Mark Rhodes, 2009. "The determinants of trading volume for cross-listed Euribor futures contracts," The European Journal of Finance, Taylor & Francis Journals, vol. 15(1), pages 89-102.
  46. Ian McManus & Owain Ap Gwilym & Stephen Thomas, 2009. "Prospective utility and time-varying optimal asset allocation for the UK: 1803-1995," International Journal of Behavioural Accounting and Finance, Inderscience Enterprises Ltd, vol. 1(2), pages 95-110.
  47. Al-Sakka, Rasha & ap Gwilym, Owain, 2009. "Heterogeneity of sovereign rating migrations in emerging countries," Emerging Markets Review, Elsevier, vol. 10(2), pages 151-165, June.
  48. Frank McGroarty & Owain ap Gwilym & Stephen Thomas, 2007. "The Components of Electronic Inter‐Dealer Spot FX Bid‐Ask Spreads," Journal of Business Finance & Accounting, Wiley Blackwell, vol. 34(9‐10), pages 1635-1650, November.
  49. McGroarty, Frank & ap Gwilym, Owain & Thomas, Stephen, 2006. "Microstructure effects, bid-ask spreads and volatility in the spot foreign exchange market pre and post-EMU," Global Finance Journal, Elsevier, vol. 17(1), pages 23-49, September.
  50. Owain ap Gwilym & James Seaton & Karina Suddason & Stephen Thomas, 2006. "International Evidence on the Payout Ratio, Earnings, Dividends, and Returns," Financial Analysts Journal, Taylor & Francis Journals, vol. 62(1), pages 36-53, January.
  51. L C Thomas & S Thomas & L Tang & O Ap Gwilym, 2005. "Impact of demographic and economic variables on financial policy purchase timing decisions," Journal of the Operational Research Society, Palgrave Macmillan;The OR Society, vol. 56(9), pages 1051-1062, September.
  52. Owain Ap Gwilym & Ian Mcmanus & Stephen Thomas, 2005. "Fractional versus decimal pricing: Evidence from the UK Long Gilt futures market," Journal of Futures Markets, John Wiley & Sons, Ltd., vol. 25(5), pages 419-442, May.
  53. Ian McManus & Owain Ap Gwilym & Stephen Thomas, 2004. "The Role of Payout Ratio in the Relationship Between Stock Returns and Dividend Yield," Journal of Business Finance & Accounting, Wiley Blackwell, vol. 31(9‐10), pages 1355-1387, November.
  54. Owain ap Gwilym & Evamena Alibo, 2003. "Decreased price clustering in FTSE100 futures contracts following a transfer from floor to electronic trading," Journal of Futures Markets, John Wiley & Sons, Ltd., vol. 23(7), pages 647-659, July.
  55. ap Gwilym, Owain & Thomas, Stephen, 2002. "An empirical comparison of quoted and implied bid-ask spreads on futures contracts," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 12(1), pages 81-99, February.
  56. Owain Ap Gwilym & Mike Buckle, 2001. "The lead-lag relationship between the FTSE100 stock index and its derivative contracts," Applied Financial Economics, Taylor & Francis Journals, vol. 11(4), pages 385-393.
  57. Owain ap Gwilym & Gareth Morgan & Stephen Thomas, 2000. "Dividend Stability, Dividend Yield and Stock Returns: UK Evidence," Journal of Business Finance & Accounting, Wiley Blackwell, vol. 27(3‐4), pages 261-281, April.
  58. Alan E.H. Speight & David G. McMillan & Owain ap Gwilym, 2000. "Intra‐day volatility components in FTSE‐100 stock index futures," Journal of Futures Markets, John Wiley & Sons, Ltd., vol. 20(5), pages 425-444, May.
  59. Owain Ap Gwilym & Mike Buckle, 1999. "Volatility forecasting in the framework of the option expiry cycle," The European Journal of Finance, Taylor & Francis Journals, vol. 5(1), pages 73-94.
  60. Owain Ap Gwilym & David McMillan & Alan Speight, 1999. "The intraday relationship between volume and volatility in LIFFE futures markets," Applied Financial Economics, Taylor & Francis Journals, vol. 9(6), pages 593-604.
  61. O. Ap Gwilym & C. Brooks & A. Clare & S. Thomas, 1999. "Tests of non‐linearity using LIFFE futures transactions price data," Manchester School, University of Manchester, vol. 67(2), pages 167-186, March.
  62. ap Gwilym, Owain & Clare, Andrew & Thomas, Stephen, 1998. "Price clustering and bid-ask spreads in international bond futures," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 8(3-4), pages 377-391, December.
  63. Owain Ap. Gwilym & Andrew Clare & Stephen Thomas, 1998. "The bid‐ask spread on stock index options: An ordered probit analysis," Journal of Futures Markets, John Wiley & Sons, Ltd., vol. 18(4), pages 467-485, June.
  64. M. Buckle & O. Ap Gwilym & S.H. Thomas & M.S. Woodhams, 1998. "Intraday Empirical Regularities in Interest Rate and Equity Index Futures Markets, and the Effect of Macroeconomic Announcements," Journal of Business Finance & Accounting, Wiley Blackwell, vol. 25(7‐8), pages 921-944, September.
  65. Owain Ap Gwilym & Mike Buckle, 1997. "Forward/forward volatilities and the term structure of implied volatility," Applied Economics Letters, Taylor & Francis Journals, vol. 4(5), pages 325-328.
  66. Owain Ap Gwilym & Mike Buckle, 1996. "An analysis of bid-ask spreads on American-and European-style index options," Applied Economics Letters, Taylor & Francis Journals, vol. 3(7), pages 445-449.

Chapters

  1. Owain ap Gwilym, 2002. "Evidence on Trading Mechanisms," Palgrave Macmillan Books, in: Transparency and Fragmentation, chapter 5, pages 101-140, Palgrave Macmillan.

More information

Research fields, statistics, top rankings, if available.

Statistics

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Co-authorship network on CollEc

NEP Fields

NEP is an announcement service for new working papers, with a weekly report in each of many fields. This author has had 2 papers announced in NEP. These are the fields, ordered by number of announcements, along with their dates. If the author is listed in the directory of specialists for this field, a link is also provided.
  1. NEP-BAN: Banking (1) 2013-11-16
  2. NEP-CFN: Corporate Finance (1) 2013-11-16
  3. NEP-EEC: European Economics (1) 2013-11-16
  4. NEP-FMK: Financial Markets (1) 2013-11-16
  5. NEP-MST: Market Microstructure (1) 2017-06-25

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