"pump-and-dump schemes" in the crypto markets. To do that, we estimate the volatility spillovers from Bitcoin to altcoin and … the cryptos' own risk spillovers during bull and bear markets. The spillover results from Bitcoin to altcoin provide mixed …This article examines the asymmetric volatility spillover effects between Bitcoin and alternative coin markets at the …

The cryptocurrency market is unique on many levels: Very volatile, frequently changing market structure, emerging and … cryptocurrencies (CCs) other than Bitcoin. For fiat currency markets, the IMF offers the index SDR and, prior to the EUR, the ECU … CRIX, for the cryptocurrency market. CRIX is chosen by model selection such that it represents the market well to enable …

This paper investigates the limit properties of mean-variance (mv) and arbitrage pricing (ap) trading strategies using … literature for the exact pricing case to two other cases of asymptotic no-arbitrage and the unconstrained pricing scenarios. The …

^d-valued process. A strategy H is called extreme if it represents a maximal arbitrage opportunity. By this we mean that H generates at … zero. We characterize those subsets of F^e, on which no arbitrage opportunities exist. …

return matrix allows for redundant assets. Prices of assets may permit arbitrage. At equilibrium, though restricted through … endogenously determined trading constraints, arbitrage possibilities may persist; in an example, an individual holds an arbitrage …

We consider fundamental questions of arbitrage pricing arising when the uncertainty model is given by a set of possible … mutually singular probability measures. With a single probability model, essential equivalence between the absence of arbitrage … equivalent symmetric martingale measure sets, in a dynamic trading framework under absence of prior depending arbitrage. We prove …

, and proofs has been presented that these fractional Black-Scholes models are free of arbitrage. These results on absence … of arbitrage complelety contradict a number of earlier results in the literature which prove that the fractional Black …-Scholes model (and related models) will in fact admit arbitrage. The object of the present paper is to resolve this contradiction by …

Focusing on capital asset returns governed by a factor structure, the Arbitrage Pricing Theory (APT) is a one …-period model, in which preclusion of arbitrage over static portfolios of these assets leads to a linear relation between the … expected return and its covariance with the factors. The APT, however, does not preclude arbitrage over dynamic portfolios …