4.1 INTRODUCTION4.2 QLA FOR AN ERGODIC DIFFUSION PROCESS4.3 QLA FOR VOLATILITY IN THE FINITE TIME-HORIZON4.4 NONSYNCHRONOUS COVARIANCE ESTIMATION4.5 YUIMA II FOR STATISTICAL ANALYSIS AND SIMULATION FOR STOCHASTIC DIFFERENTIAL EQUATIONS4.6 HIGHER ORDER ASYMPTOTICS AND FINANCEACKNOWLEDGMENTS