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anybody know a good paper or discussion on backing out FX option implied distributions from 10&25delta RR and Flys?I do it with equity index call quotes (after some interpolation considerations) using:P_implied(K,T)=exp(rT)*C''(K)My intuition suggests the same should be possible using RR and Flys for FX (perhaps even just Flys)any help appreciatedrgds

try Malz, A. M., 1997, “Estimating the Probability Distribution of the Future Exchange Rate from Option Prices,” The Journal of Derivatives, Vol. 5, pp. 18-36.

great thks ... just the thing