Ters, Kristyna

Ters, Kristyna


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  • Publikation
    Arbitrage costs and the persistent non-zero CDS-bond basis: evidence from intraday euro area sovereign debt markets
    (Bank for International Settlements, 26.04.2017) Ters, Kristyna; Gyntelberg, Jacob; Hoerdahl, Peter; Urban, Jörg [in: Bank for International Settlements Working Paper]
    We find evidence that in the market for euro area sovereign credit risk, arbitrageurs engage in basis trades between credit default swap (CDS) and bond markets only when the CDS-bond basis exceeds a certain threshold. This threshold effect is likely to reflect costs that arbitrageurs face when implementing trading strategies, including transaction costs and costs associated with committing balance sheet space for such trades. Using a threshold vector error correction model, we endogenously estimate these unknown trading costs for basis trades in the market for euro area sovereign debt. During the euro sovereign credit crisis, we find very high transaction costs of around 190 basis points, compared to around 80 basis points before the crisis. Our results show, that even when markets in times of stress are liquid, the basis can widen as high market volatility makes arbitrage trades riskier, leading arbitrageurs to demand a higher compensation for increased risk. Our findings help explain the persistent non-zero CDS-bond basis in euro area sovereign debt markets and its increase during the last sovereign crisis.
    01B - Beitrag in Magazin oder Zeitung
  • Publikation
    The benefits of using large high frequency financial datasets for empirical analyses: Two applied cases
    (Bank for International Settlements, 03/2017) Ters, Kristyna; Ferrari, Massimo; Tissot, Bruno [in: Statistical implications of the new financial landscape : Proceedings of the Eighth IFC Conference, Basel, 8–9 September 2016]
    How do markets evaluate monetary policy announcements and how large are the shocks they convey? These are central questions for policy makers if they are interested in evaluating their decisions and quantitatively assess the outcomes of different and possibly alternative policies. As we know, if markets were completely efficient and monetary policy was perfectly communicated by central banks, market agents should have already priced in the decision of the monetary authority at the time of the announcement. On the contrary, if the central banks are able to surprise the market, they might be able to generate real effects after their policies. We present a methodology to identify monetary policy shocks using high frequency financial data. When the precise moment of a shock is known, high frequency data allow us to pinpoint the exact moment of the event and, therefore, to correctly identify the reaction of market participants.
    04B - Beitrag Konferenzschrift
  • Publikation
    Intraday dynamics of euro area sovereign CDS and bonds
    (Bank for International Settlements, 09/2013) Ters, Kristyna; Hoerdahl, Peter; Gyntelberg, Jacob; Urban, Jörg [in: Bank for International Settlements Working Paper]
    The recent sovereign debt crisis in the euro area has seen credit spreads on sovereign bonds and credit default swaps (CDS) surge for a number of member states. While these events have increased interest in understanding the dynamics of sovereign spreads in bond and CDS markets, there is little agreement in the literature as to whether one of the two markets is more important than the other in terms of price discovery of sovereign credit risk. In this paper we reexamine this issue using intraday data for both market segments and employing carefully constructed cash (bond) spreads to ensure proper comparability with CDS spreads. This enables us to obtain much sharper estimates in our empirical analysis, and hence substantially clearer results with respect to price discovery. We find that the pricing of sovereign credit risk in the bond and in the CDS market converges over time, and that deviations between the two market segments do not persist for long. A key result is that the CDS market dominates the bond market in terms of price discovery in the vast majority of cases we examine. That is, CDS premia in many cases adjust more quickly to reflect new information than bonds spreads. This result holds also when taking into account transaction costs in the analysis.
    01B - Beitrag in Magazin oder Zeitung