Pt. G, vol 139, pp. 491497, Aug. 1992. 7. G. The rule based fuzzy logic has provided very close approximation of forecasted price with its actual price. However after facing matlab Standard deviation of exact, against matlab a variety of rules based mixtures of forecasted price, matlab is located that for Gold future matlab inputs combination R0 and R2, from Carbon future matlab inputs mixture R0 and R2 and CNX Nifty Index future matlab inputs combination R0 and R2 supply matlab highest forecast. A Monthly Double Blind Peer Reviewed Refereed Open Access International e Journal Included in matlab International Serial DirectoriesThe study has used fuzzy logic based inference system to trap matlab historic movements of Gold prices, Carbon future and CNX Index, in order to, are expecting matlab future events. The inferences have been designed to seize matlab time varying sigma and factor matlab variability for matlab prediction of hobbies. In place of single input series, matlab study has used numerous input series of same data through various periods of moving averages and factored matlab variability with time varying sigma. The system, so designed, is kind of robust and matlab predictions are quite accurate once variety of input series raises over the years.