1. Published

   The 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

2. Published

   The 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

3. 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

4. Published

   The 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

5. Published

   What 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

6. Published

   The 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

7. 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

8. 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

9. Published

   The 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

10. Published

    Evidence 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