1. Chapter › Research › Not peer-reviewed
2. 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

3. Published

   Futures market liquidity under floor and electronic trading.

   ap Gwilym, O. M., McManus, I., Ap Gwilym, O., Thomas, S., Morrey, J. (ed.) & Guyton, A. (ed.), 1 Jan 2009, Liquidity: Interest Rates and Banking. 2009 ed. Nova Science, p. 111-138

   Research output: Chapter in Book/Report/Conference proceeding › Chapter

4. Article › Research › Peer-reviewed
5. 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

6. 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

7. 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

8. 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

9. 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

10. 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

11. 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

12. 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