1. 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

2. 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

3. 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

4. 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

5. 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

6. Cyhoeddwyd

   The determinants of trading volume for cross-listed Euribor futures contracts.

   ap Gwilym, O. M., Ap Gwilym, O., Aguenaou, S. & Rhodes, M., 1 Ion 2009, Yn: European Journal of Finance. 15, 1, t. 89-102

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

7. 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

8. Cyhoeddwyd

   Evidence on trading mechanisms.

   ap Gwilym, O. M., Ap Gwilym, O., Board, J. (gol.), Sutclifee, C. (gol.) & Wells, S. (gol.), 1 Ion 2002, Transparency and Fragmentation: Financial Market Regulation in a Dynamic Environment. 2002 gol. Palgrave Macmillan, t. 101-140

   Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod

9. Cyhoeddwyd

   Trade size clustering and the cost of trading at the London Stock Exchange

   ap Gwilym, O. M., Verousis, T. & Ap Gwilym, O., 18 Medi 2012, Yn: International Review of Financial Analysis.

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

10. 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

11. Cyhoeddwyd

    The Use of Credit Ratings in Investment Management in the US and Europe

    ap Gwilym, O. M., Cantor, R., Ap Gwilym, O. & Thomas, S., 1 Hyd 2007, Yn: Journal of Fixed Income. 17, 2, t. 13-26

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

12. 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

13. 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

14. 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

15. Cyhoeddwyd

    The determinants of CDS bid-ask spreads.

    ap Gwilym, O. M., Meng, L. & Ap Gwilym, O., 1 Hyd 2008, Yn: Journal of Derivatives. 16, 1, t. 70-80

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

16. 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

17. 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

18. 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

19. Cyhoeddwyd

    Volatility Transmission Among the CDS, Equity, and Bond Markets.

    ap Gwilym, O. M., Meng, L., Ap Gwilym, O. & Varas, J., 1 Tach 2009, Yn: Journal of Fixed Income. 18, 3, t. 33-46

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

20. 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

21. Cyhoeddwyd

    The characteristics and evolution of credit default swap trading.

    ap Gwilym, O. M., Meng, L. & Ap Gwilym, O., 1 Tach 2007, Yn: Journal of Derivatives and Hedge Funds. 13, 3, t. 186-198

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

22. Cyhoeddwyd

    The 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 Ebr 2014, Yn: Journal of International Money and Finance. 49, part B, t. 235-257

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

23. 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

24. 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

25. 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

26. Cyhoeddwyd

    Split sovereign ratings and rating migrations in emerging economies.

    ap Gwilym, O. M., Alsakka, R. & Ap Gwilym, O., 1 Meh 2010, Yn: Emerging Markets Review. 11, 2, t. 79-97

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

27. 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

28. Cyhoeddwyd

    Return reversals and the compass rose: insights from high frequency options data

    ap Gwilym, O. M., Verousis, T. & Ap Gwilym, O., 1 Medi 2011, Yn: European Journal of Finance. 17, 9-10, t. 883-896

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

29. 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

30. Cyhoeddwyd

    Speculate against speculative demand

    ap Gwilym, O. M., Ap Gwilym, O., Kita, A. & Wang, Q., 26 Maw 2014, Yn: International Review of Financial Analysis. 34, t. 212-221

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

31. Cyhoeddwyd

    Tactical Equity Investing Across Bull and Bear Markets

    ap Gwilym, O., Clare, A., Seaton, J. & Thomas, S., 1 Maw 2012, Yn: Journal of Wealth Management. t. 61-69

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

32. 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

33. 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

34. Cyhoeddwyd

    Very long term equity investment strategies: real stock prices and mean reversion.

    ap Gwilym, O. M., Ap Gwilym, O., Seaton, J. & Thomas, S., 1 Meh 2008, Yn: Journal of Investing. 17, 2, t. 15-23

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

35. 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