Through most of Shell's early history, the Shell Oil Company business in the United States was substantially independent with its stock being traded on <answer>the NYSE</answer> and with little direct involvement from the group's central offices in the running of the American business. However, in 1984, Royal Dutch Shell made a bid to purchase those shares of Shell Oil Company it did not own (around 30%) and despite opposition from some minority shareholders, which led to a court case, Shell completed the buyout for a sum of $5.7 billion.
On which exchange was Shell Oil Company's U.S. stock historically traded?
the NYSE