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The investment industry lacks an unified framework for handling derivative instruments in general portfolio management. With the increased use of derivatives, there is a need for a framework that aligns fundamental terminology and concepts. The main challenges with the current practices are...
Persistent link: https://www.econbiz.de/10014236873
approximating formula for the Black and Scholes call function that can be useful for deriving the risk of options i.e. the implied … moneyness …
Persistent link: https://www.econbiz.de/10012823891
In the past year, generative AI, led by Chat GPT by Open AI and Bard, a language experiment by Google, generated tremendous attention amongst the public. Their impact on finance, law and general productivity are difficulty to articulate with words. This paper aims to strengthen the...
Persistent link: https://www.econbiz.de/10014352641
A new class of risk measures called cash sub-additive risk measures is introduced to assess the risk of future financial, nonfinancial and insurance positions. The debated cash additive axiom is relaxed into the cash sub-additive axiom to preserve the original difference between the numeraire of...
Persistent link: https://www.econbiz.de/10003961489
In a complete financial market every contingent claim can be hedged perfectly. In an incomplete market it is possible to stay on the safe side by superhedging. But such strategies may require a large amount of initial capital. Here we study the question what an investor can do who is unwilling...
Persistent link: https://www.econbiz.de/10009574876
An investor faced with a contingent claim may eliminate risk by (super-)hedging in a financial market. As this is often quite expensive, we study partial hedges, which require less capital and reduce the risk. In a previous paper we determined quantile hedges which succeed with maximal...
Persistent link: https://www.econbiz.de/10009579176
We develop a model of the illiquidity transmission from spot to futures markets that formalizes the derivative hedge theory proposed by Cho and Engle (1999). The model shows that spot market illiquidity does not translate one-to-one to the futures market, but rather interacts with price risk,...
Persistent link: https://www.econbiz.de/10010399342
This paper is the first to analyze and value early exercises of Individual Investors in fixed-income investment products. Assuming decision and transaction costs we consider that a continuous decision-making on holding or exercising is not optimal anymore and propose a new approach to modeling...
Persistent link: https://www.econbiz.de/10010412103
A small but ambitious literature uses affine arbitrage-free models to estimate jointly U.S. Treasury term premiums and the term structure of equity risk premiums. Within this approach, this paper identifies the parameter restrictions that are consistent with a simple dividend discount model,...
Persistent link: https://www.econbiz.de/10010222892
futures market, the associated (but unrestricted) options market becomes the price discovery market: much of the trading that … would have occurred on the futures market migrates to the options market, and options prices accurately predict the … (unconstrained) futures price the next day. We also show that the presence of options mitigates the effect of price limits on …
Persistent link: https://www.econbiz.de/10013131781