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  2. Arbitrage pricing theory - Wikipedia

    en.wikipedia.org/wiki/Arbitrage_pricing_theory

    In finance, arbitrage pricing theory (APT) is a multi-factor model for asset pricing which relates various macro-economic (systematic) risk variables to the pricing of financial assets. Proposed by economist Stephen Ross in 1976, [ 1 ] it is widely believed to be an improved alternative to its predecessor, the capital asset pricing model (CAPM ...

  3. Arbitrage - Wikipedia

    en.wikipedia.org/wiki/Arbitrage

    "Arbitrage" is a French word and denotes a decision by an arbitrator or arbitration tribunal (in modern French, "arbitre" usually means referee or umpire).It was first defined as a financial term in 1704 by French mathemetician Mathieu de la Porte in his treatise "La science des négociants et teneurs de livres" as a consideration of different exchange rates to recognise the most profitable ...

  4. Rational pricing - Wikipedia

    en.wikipedia.org/wiki/Rational_pricing

    Rational pricing is the assumption in financial economics that asset prices – and hence asset pricing models – will reflect the arbitrage-free price of the asset as any deviation from this price will be "arbitraged away". This assumption is useful in pricing fixed income securities, particularly bonds, and is fundamental to the pricing of ...

  5. Fundamental theorem of asset pricing - Wikipedia

    en.wikipedia.org/wiki/Fundamental_theorem_of...

    In a discrete (i.e. finite state) market, the following hold: [2] The First Fundamental Theorem of Asset Pricing: A discrete market on a discrete probability space (,,) is arbitrage-free if, and only if, there exists at least one risk neutral probability measure that is equivalent to the original probability measure, P.

  6. Law of one price - Wikipedia

    en.wikipedia.org/wiki/Law_of_one_price

    In economics, the law of one price (LOOP) states that in the absence of trade frictions (such as transport costs and tariffs), and under conditions of free competition and price flexibility (where no individual sellers or buyers have power to manipulate prices and prices can freely adjust), identical goods sold at different locations should be sold for the same price when prices are expressed ...

  7. Convergence trade - Wikipedia

    en.wikipedia.org/wiki/Convergence_trade

    Convergence trade is a trading strategy consisting of two positions: buying one asset forward—i.e., for delivery in future (going long the asset)—and selling a similar asset forward (going short the asset) for a higher price, in the expectation that by the time the assets must be delivered, the prices will have become closer to equal (will have converged), and thus one profits by the ...

  8. Limits to arbitrage - Wikipedia

    en.wikipedia.org/wiki/Limits_to_arbitrage

    Limits to arbitrage is a theory in financial economics that, due to restrictions that are placed on funds that would ordinarily be used by rational traders to arbitrage away pricing inefficiencies, prices may remain in a non-equilibrium state for protracted periods of time.

  9. Financial economics - Wikipedia

    en.wikipedia.org/wiki/Financial_economics

    More recent work further generalizes and extends these models. As regards asset pricing, developments in equilibrium-based pricing are discussed under "Portfolio theory" below, while "Derivative pricing" relates to risk-neutral, i.e. arbitrage-free, pricing. As regards the use of capital, "Corporate finance theory" relates, mainly, to the ...