The high was about 1.2 near the peak of the bubble. the low posted near the bottom of the 1998 meltdown was about .9. Now about 1.06.
But the big problem with the dollar is that the US is so heavily dependent on foreign capital. People who argue that the US stock market soared as the buck plunged in the mid 1980s fail to memtion that the US was much less dependent on foreign capital at that time. And stocks were a lot cheaper then.