Uncertainty mounts as Optionable falls

Nymex had previously bought a 19% stake in Optionable. An option to raise its stake to 40 % suggested that the exchange planned on either eventually buying the brokerage or incorporating it.

However, Nymex’s announcement this week that it will offer options trading for crude oil, natural gas, gold, and silver on the CME Globex electronic trading platform beginning in June – as opposed to Optionable’s Opex platform – has raised questions over the exchange’s intentions for the brokerage.


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