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- ItemNo-arbitrage pricing beyond semimartingales(Berlin : Weierstraß-Institut für Angewandte Analysis und Stochastik, 2006) Bender, Christian; Sottinen, Tommi; Valkeila, EskoWe show how no-arbitrage pricing can be extended to some non-semimartingale models by restricting the class of admissible strategies. However, this restricted class is big enough to cover hedges for relevant options. Moreover, we show that the hedging prices depend essentially only on a path property of the stock price process, viz. on the quadratic variation. As a consequence we can incorporate many stylized facts to a pricing model without changing the option prices.