汇报: Liquidity Shocks and CDS Spreads
汇报人：Hong Yan（University of South Carolina, and Shanghai Advanced Institute of Finance）
功夫：11月1日（周二）10:00-11:30am
地址：J9集团国际站新楼216教室
提要：We investigate empirically whether credit default swaps (CDS) spreads are influenced by shifts in demand/supply dynamics in the market using transaction data. We find that while changes in CDS spreads are insensitive to accumulated trading volume, net buying interest (NBI), a measure we construct to measure latent trade imbalance between consecutive trades, significantly affects CDS price changes. This price impact appears to be statistically significant even in the absence of concomitant stock price changes, but its economic magnitude is on par with the average bid-ask spread. While changes in fundamental information contribute to the price impact of net buying interest, liquidity of CDS contracts is another factor. We show that the effect of NBI is three times stronger in the least liquid CDS contracts than in the most liquid CDS contracts. Furthermore, while positive demand shocks are associated with permanent price changes, exogenous supply shocks attenuate the initial price impact and accelerate the subsequent price reversal.
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