All of these trade on the Chicago Board Options Exchange. Most of the contracts are European. An exception is the OEX contract on the S&P 100, which is American.

… the head of the local health department was himself a blood trader or bloodhead.

To east and west the valley, now scarcely more green than those upper plains, bounded by its verdureless bluffs, ran crookedly, following the river course, its only sign of white dominion the rutted trail.

Grew like the summer grass, fastest by night,