1. Article › Research › Peer-reviewed
2. Published

   A random effects ordered probit model for rating migrations

   Alsakka, R. & ap Gwilym, O., 1 Sept 2010, In: Finance Research Letters. 7, 3, p. 140-147

   Research output: Contribution to journal › Article › peer-review

3. Published

   A 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

4. Published

   An 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

5. Published

   An 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

6. Published

   Are 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

7. Published

   Bid-ask spreads and the liquidity of international bonds.

   ap Gwilym, O. M., Ap Gwilym, O., Trevino, L. & Thomas, S. H., 1 Sept 2002, In: Journal of Fixed Income. 12, 2, p. 82-91

   Research output: Contribution to journal › Article › peer-review

8. Published

   Commonality 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

9. Published

   Commonality 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

10. Published

    Consistent 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

11. Published

    Credit 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

12. Published

    Deal! Market reactions to the agreement on the EU Covid-19 recovery fund

    Pancotto, L., ap Gwilym, O. & Molyneux, P., 31 Jul 2023, In: Journal of Financial Stability.

    Research output: Contribution to journal › Article › peer-review

13. Published

    Decreased 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

14. Published

    Differences 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

15. Published

    Dividend 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

16. Published

    Dividend 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

17. Published

    Dividends 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

18. Published

    Does 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

19. Published

    Does 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

20. Published

    Does 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 Sept 2006, In: Journal of Portfolio Management. 33, 1, p. 68-75

    Research output: Contribution to journal › Article › peer-review

21. Published

    Does 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

22. Published

    Explaining 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

23. Published

    Forecasting 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

24. Published

    Forecasting 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

25. Published

    Foreign 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

26. Published

    Fractional 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

27. Published

    Gold 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

28. Published

    Heterogeneity 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

29. Published

    Impact 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 Sept 2005, In: Journal of the Operational Research Society. 56, 9, p. 1051-1062

    Research output: Contribution to journal › Article › peer-review

30. Published

    In 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

31. Published

    International 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

32. Published

    Intra-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

33. Published

    Investors’ heterogeneous beliefs and the impact of sovereign credit ratings in foreign exchange and equity markets

    Tran, V., Alsakka, R. & ap Gwilym, O., 2 Sept 2019, In: European Journal of Finance. 25, 13, p. 1211-1233

    Research output: Contribution to journal › Article › peer-review

34. Published

    Leads 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

35. Published

    Market 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

36. Published

    Market 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

37. Published

    Market structure and microstructure, in international interest rate futures markets.

    ap Gwilym, O. M., McGroarty, F., Ap Gwilym, O. & Thomas, S., 1 Sept 2010, In: Research in International Business and Finance. 24, 3, p. 253-266

    Research output: Contribution to journal › Article › peer-review

38. Published

    Microstructure 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 Sept 2006, In: Global Finance Journal. 17, 1, p. 23-49

    Research output: Contribution to journal › Article › peer-review

39. Published

    Modelling 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

40. Published

    Open 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

41. Published

    Payment 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

42. Published

    Price 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

43. Published

    Price 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

44. Published

    Price 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

45. Published

    Price 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

46. Published

    Problems 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

47. Published

    Prospective 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

48. Published

    Prospective 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

49. Published

    Rating 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

50. Published

    Rating 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

51. Published

    Regulating 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