To provide a transaction evaluation system for accurately evaluating selling/buying transaction by calculating benchmark cost reliably reflecting unavoidably incurred cost.
A measurement computation processing part 2 uses a mathematical model based on an excess demand calculated in accordance with trade data for brands in selling/buying transaction evaluated trade acquired from a trade data input part 4 and the price variation of a whole market calculated in accordance with price data for a whole stock market acquired from a market data input part 6 for calculating benchmark cost. It also calculates trade cost in accordance with the trade data for selling/buying transaction evaluated trade acquired from the trade data input part 4. The calculated benchmark cost is compared with the trade cost and its comparison result is output by a comparison result output part 10.
TSUNODA MITSUHIRO
MATSUO TOMOKAZU
KATO DAIKI
Haruhito Oishi
Mitsuhiro Fukuda