Showing 1 - 10 of 12,953
In this paper we present a critical point on connections between stock volatility, implied volatility, and local … volatility. The essence of the Black Sholes pricing model is based on assumption that option piece is formed by no arbitrage … shows even more. The volatility of the underlying should be also changed. Such practice calls for implied volatility …
Persistent link: https://www.econbiz.de/10012950779
variables used in the merger literature. As predicted by the model, a graph of the target firm's implied volatility against the …
Persistent link: https://www.econbiz.de/10011951308
Numerous studies find S-shaped pricing kernels, which is conflicting with standard theory. In contrast to that, based on a novel GARCH model with structural breaks, I show that the pricing kernel is consistently U-shaped. The results are robust to variations in the methodology and hold for...
Persistent link: https://www.econbiz.de/10012853175
In a tractable stochastic volatility model, we identify the price of the smile as the price of the unspanned risks … traded in SPX option markets. The price of the smile reflects two persistent volatility and skewness risks, which imply a …-form and structural models of stochastic volatility …
Persistent link: https://www.econbiz.de/10011412294
The 1987 market crash was associated with a dramatic and permanent steepening of the implied volatility curve for …
Persistent link: https://www.econbiz.de/10013133957
This paper presents direct evidence that option price quotes do not contain any information about future stock prices beyond what is already reflected in current stock prices. We use trade and quote data for 39 liquid U.S. stocks and ETFs and options on them, and focus on events when the two...
Persistent link: https://www.econbiz.de/10013115657
We propose two new risk measures (i-beta and i-gamma) for a stock, which aim to distinguish between noise and information. Noise allows the stock price evolution to happen along a continuous path. Market wide economic information is transmitted via price jumps. Noise is idiosyncratic and does...
Persistent link: https://www.econbiz.de/10013124058
We introduce a discrete-time model for log-return dynamics with observable volatility and jumps. Our proposal extends … the class of Realized Volatility heterogeneous auto-regressive gamma (HARG) processes adding a jump component with time … compensating for equity, volatility, and jump risks, the generating function under the risk-neutral measure inherits analytical …
Persistent link: https://www.econbiz.de/10012904165
nature of the answer when the volatility differential is due to the systematic/priced risk. Here the difference in the … direction and magnitude of the net effect depends on the levels of asset beta and volatility and the moneyness and maturity of … nonlinear derivatives, one should pay attention to the source of volatility differential, and the sample range/mix of betas …
Persistent link: https://www.econbiz.de/10012968263
increase in the idiosyncratic volatility of the underlying stock. This result can not be explained by standard risk factors. It … is distinct from existing anomalies in the stock market or volatility-related option mispricing. It is consistent with … idiosyncratic volatility stocks due to their higher arbitrage costs. Controlling for limits to arbitrage proxies reduces the …
Persistent link: https://www.econbiz.de/10013008680