Worked with Bitstamp chart tonight to find starting point of $680.
Wave 2 - 0.5 retrace. Wave 3 - 1.618 extension of Wave 1 + overshoot Wave 4 - Went past 0.5 max allowable retrace. Wave 5 - (Tricky) From 0.5 max Wave 4 retrace, we get interaction at target $7126. Included the Wave 4 absolute bottom as well to cover all bases.
Wave 5 subwave chart is linked for those targets if you'd like to compare.