1. Erthygl › Ymchwil › Adolygwyd gan gymheiriaid
2. Cyhoeddwyd

   A random effects ordered probit model for rating migrations

   Alsakka, R. & ap Gwilym, O., 1 Medi 2010, Yn: Finance Research Letters. 7, 3, t. 140-147

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

3. Cyhoeddwyd

   A substitution effect between price clustering and size clustering in credit default swaps

   Meng, L., Verousis, T. & ap Gwilym, O., 1 Ebr 2013, Yn: Journal of International Financial Markets, Institutions and Money. 24, April, t. 139-152

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

4. Cyhoeddwyd

   An empirical comparison of quoted and implied bid-ask spreads on futures contracts.

   ap Gwilym, O. M., Ap Gwilym, O. & Thomas, S., 1 Chwef 2002, Yn: Journal of International Financial Markets, Institutions and Money. 12, 1, t. 81-99

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

5. Cyhoeddwyd

   An improved algorithm for cleaning Ultra high-frequency data.

   ap Gwilym, O. M., Verousis, T. & Ap Gwilym, O., 1 Chwef 2010, Yn: Journal of Derivatives and Hedge Funds. 15, 4, t. 323-340

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

6. Cyhoeddwyd

   Are single stock futures used as an alternative during a short-selling ban?

   Benzennou, B., ap Gwilym, O. & Williams, G., Ion 2018, Yn: Journal of Futures Markets. 38, 1, t. 66-82

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

7. Cyhoeddwyd

   Bid-ask spreads and the liquidity of international bonds.

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

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

8. Cyhoeddwyd

   Commonality in Liquidity across Options and Stock Futures Markets

   Benzennou, B., ap Gwilym, O. & Williams, G., Ion 2020, Yn: Finance Research Letters. 32, 101096.

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

9. Cyhoeddwyd

   Commonality in equity options liquidity: Evidence from European Markets

   Verousis, T., ap Gwilym, O. & Voukelatos, N., 24 Mai 2016, Yn: European Journal of Finance. 22, 12, t. 1204-1223

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

10. Cyhoeddwyd

    Consistent dividend growth investment strategies.

    ap Gwilym, O. M., Ap Gwilym, O., Clare, A. D., Seaton, J. & Thomas, S. H., 1 Rhag 2009, Yn: Journal of Wealth Management. 12, 3, t. 113-124

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

11. Cyhoeddwyd

    Credit default swaps: Theory and Empirical Evidence.

    ap Gwilym, O. M., Meng, L. & Ap Gwilym, O., 1 Maw 2005, Yn: Journal of Fixed Income. 14, 4, t. 17-28

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

12. Cyhoeddwyd

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

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

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

13. Cyhoeddwyd

    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 Gorff 2003, Yn: Journal of Futures Markets. 23, 7, t. 647-659

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

14. Cyhoeddwyd

    Differences of opinion in sovereign credit signals during the European crisis

    Alsakka, R., ap Gwilym, O. M. & Vu, H., 2017, Yn: European Journal of Finance. 23, t. 859-884

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

15. Cyhoeddwyd

    Dividend stability, dividend yield and stock returns: UK evidence.

    ap Gwilym, O. M., Ap Gwilym, O., Morgan, G. & Thomas, S., 1 Ebr 2000, Yn: Journal of Business Finance and Accounting. 27, 3-4, t. 261-281

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

16. Cyhoeddwyd

    Dividend yield investment strategies, the payout ration and zero-dividend stocks.

    ap Gwilym, O. M., Ap Gwilym, O., Seaton, J. & Thomas, S. H., 1 Rhag 2005, Yn: Journal of Investing. 14, 4, t. 69-74

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

17. Cyhoeddwyd

    Dividends and Momentum.

    ap Gwilym, O. M., Ap Gwilym, O., Clare, A. D., Seaton, J. & Thomas, S. H., 1 Meh 2009, Yn: Journal of Investing. 18, 2, t. 42-49

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

18. Cyhoeddwyd

    Does competition improve sovereign credit rating quality?  

    Vu, H., Alsakka, R. & ap Gwilym, O., Ion 2022, Yn: Journal of International Financial Markets, Institutions and Money. 76, 101478.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

19. Cyhoeddwyd

    Does sovereign creditworthiness affect bank valuations in emerging markets?

    Williams, G. L., Alsakka, R. & ap Gwilym, O. M., 10 Chwef 2015, Yn: Journal of International Financial Markets, Institutions and Money. 36, t. 113-129

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

20. Cyhoeddwyd

    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 Medi 2006, Yn: Journal of Portfolio Management. 33, 1, t. 68-75

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

21. Cyhoeddwyd

    Does the disclosure of unsolicited sovereign rating status affect bank ratings?

    Klusak, P., Alsakka, R. & ap Gwilym, O., Maw 2017, Yn: British Accounting Review. 49, 2, t. 194-210

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

22. Cyhoeddwyd

    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, Yn: Journal of Asset Management. 12, t. 11-29

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

23. Cyhoeddwyd

    Forecasting UK stock market volatility.

    ap Gwilym, O. M., McMillan, D., Speight, A. & Ap Gwilym, O., 1 Awst 2000, Yn: Applied Financial Economics. 10, 4, t. 435-448

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

24. Cyhoeddwyd

    Forecasting volatility for options pricing for the U.K. stock market.

    ap Gwilym, O. M. & Ap Gwilym, O., 1 Gorff 2001, Yn: Journal of Financial Management and Analysis. 14, 2, t. 55-62

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

25. Cyhoeddwyd

    Foreign exchange market reactions to sovereign credit news

    Alsakka, R. & ap Gwilym, O., 1 Meh 2012, Yn: Journal of International Money and Finance. 31, 4, t. 845-864

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

26. Cyhoeddwyd

    Fractional versus decimal pricing: evidence from the UK Long Gilt futures market.

    ap Gwilym, O. M., Ap Gwilym, O., McManus, I. & Thomas, S., 1 Mai 2005, Yn: Journal of Futures Markets. 25, 5, t. 419-442

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

27. Cyhoeddwyd

    Gold stocks, the gold price and market timing

    ap Gwilym, O., Clare, A., Seaton, J. & Thomas, S., 4 Awst 2011, Yn: Journal of Derivatives and Hedge Funds. 17, t. 266-278

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

28. Cyhoeddwyd

    Heterogeneity of sovereign rating migrations in emerging countries.

    ap Gwilym, O. M., Alsakka, R. & Ap Gwilym, O., 1 Meh 2009, Yn: Emerging Markets Review. 10, 2, t. 151-165

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

29. Cyhoeddwyd

    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 Medi 2005, Yn: Journal of the Operational Research Society. 56, 9, t. 1051-1062

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

30. Cyhoeddwyd

    In Search of Concepts: The Effects of Speculative Demand on Stock Returns

    ap Gwilym, O. M., Hasan, I., Wang, Q. & Xie, R., 2 Meh 2016, Yn: European Financial Management. 22, 3, t. 427-449

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

31. Cyhoeddwyd

    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 Ion 2006, Yn: Financial Analysts Journal. 62, 1, t. 36-53

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

32. Cyhoeddwyd

    Intra-day volatility components in FTSE-100 stock index futures.

    ap Gwilym, O. M., Speight, A. E., McMillan, D. G. & Ap Gwilym, O., 1 Ion 2000, Yn: Journal of Futures Markets. 20, 5, t. 425-444

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

33. Cyhoeddwyd

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

    Tran, V., Alsakka, R. & ap Gwilym, O., 2 Medi 2019, Yn: European Journal of Finance. 25, 13, t. 1211-1233

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

34. Cyhoeddwyd

    Leads and lags in sovereign credit ratings.

    Alsakka, R. & ap Gwilym, O. M., 1 Tach 2010, Yn: Journal of Banking and Finance. 34, 11, t. 2614-2626

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

35. Cyhoeddwyd

    Market impact under a new regulatory regime: Credit rating agencies in Europe

    Alsakka, R., ap Gwilym, O., Klusak, P. & Tran, V., 28 Meh 2015, Yn: Economic Notes. 44, 2, t. 275-308

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

36. Cyhoeddwyd

    Market reactions to the implementation of the Banking Union in Europe

    Pancotto, L., ap Gwilym, O. & Williams, J., 23 Mai 2020, Yn: European Journal of Finance. 26, 7-8, t. 640-665

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

37. Cyhoeddwyd

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

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

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

38. Cyhoeddwyd

    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 Medi 2006, Yn: Global Finance Journal. 17, 1, t. 23-49

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

39. Cyhoeddwyd

    Modelling sovereign credit ratings: Neural networks versus ordered probit.

    Bennell, J. A., Crabbe, D., Thomas, S., ap Gwilym, O. & Ap Gwilym, O., 1 Ebr 2006, Yn: Expert Systems with Applications. 30, 3, t. 415-425

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

40. Cyhoeddwyd

    Open interest, cross listing, and information shocks.

    Aguenaou, S., ap Gwilym, O. M. & Rhodes, M., 5 Tach 2010, Yn: Journal of Futures Markets. 31, 8, t. 755-778

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

41. Cyhoeddwyd

    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 Ion 2006, Yn: Managerial Finance. 32, 6, t. 518-536

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

42. Cyhoeddwyd

    Price Clustering in Individual Equity Options: Moneyness, Maturity, and Price Level

    ap Gwilym, O. M. & Verousis, T., 1 Ion 2013, Yn: Journal of Futures Markets. 33, 1, t. 55-76

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

43. Cyhoeddwyd

    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 Hyd 2010, Yn: Journal of Investing. 19, 3, t. 80-91

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

44. Cyhoeddwyd

    Price clustering and underpricing in the IPO aftermarket.

    ap Gwilym, O. M., Ap Gwilym, O. & Verousis, T., 1 Maw 2010, Yn: International Review of Financial Analysis. 19, 2, t. 89-97

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

45. Cyhoeddwyd

    Price clustering under floor and electronic trading.

    Bennell, J. & ap Gwilym, O., 1 Ion 2000, Yn: Derivatives Use, Trading and Regulation. 5, 4, t. 354-362

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

46. Cyhoeddwyd

    Problems encountered when using high frequency financial market data: suggested solutions.

    ap Gwilym, O. M., Ap Gwilym, O. & Sutcliffe, C., 1 Ion 2001, Yn: Journal of Financial Management and Analysis. 14, 1, t. 38-51

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

47. Cyhoeddwyd

    Prospective utility and the equity risk premium.

    ap Gwilym, O. M., Thomas, S., Ap Gwilym, O. & McManus, I., 1 Ion 2007, Yn: Professional Investor. 17, 7, t. 24-28

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

48. Cyhoeddwyd

    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 Gorff 2009, Yn: International Journal of Behavioural Accounting and Finance. 1, 2, t. 95-110

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

49. Cyhoeddwyd

    Rating agencies' credit signals: An analysis of sovereign watch and outlook

    Alsakka, R. & ap Gwilym, O., 1 Ion 2012, Yn: International Review of Financial Analysis. 21, t. 45-55

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

50. Cyhoeddwyd

    Rating agencies’ signals during the European sovereign debt crisis: Market impact and spillovers

    Alsakka, R. & ap Gwilym, O. M., 1 Ion 2013, Yn: Journal of Economic Behavior and Organization. 85, t. 144-162

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

51. Cyhoeddwyd

    Regulating rating agencies: A conservative behavioural change

    Jones, L., Alsakka, R., ap Gwilym, O. & Mantovan, N., Meh 2022, Yn: Journal of Financial Stability. 60, 100999.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid