Tagged: market data

The Flood

The word of the week was “flood.”

Here in Colorado, Denver had a coup d’état by weather patterns from Portland, Oregon for a week but our streets never ran in torrents. Where the Rocky Mountain watershed empties to the flood plain from the Mesozoic Era, occupied by present-day Boulder, Loveland and Greeley and small towns like Evans and Lyons hugging the banks of normally docile tributaries, the week past reshaped history and landscape. It will take months to recover.

In the markets too there was and remains a flood that surfaces with rising intensity from its subterranean aquifers to toss debris into market machinery. It’s the spreading vastness of complex market data.

SIDEBAR: If you’re in St. Louis Friday, join us at the NIRI luncheon Sept 20 for a rollicking session on the equity market – how it works and why it fails at times.

Data is the fuel powering market activity. Globally, trading in multiple asset classes turns on computerized models that depend on uninterrupted streams of reliable data. This gargantuan global data cross-pollination affects trading in your shares. After all, there are two million global indexes, as the WSJ’s Jason Zweig noted in a poignant view last weekend on modern equities. (more…)

Why We Have Eleven Exchanges and Counting

Blaise Pascal, the 17th century French brainiac, is reputed once to have said in a post script: “I’d have written a shorter letter, but I didn’t have time.”

We wonder what Pascal would think of the 523-page Final Rule for Regulation National Market System (Reg NMS), published August 29, 2005. Step forward a half-decade, and it explains why deep and liquid markets that were thought to foster the interests of long-term investors have instead fed a fragmented maker/taker market system florid with high-frequency traders moving the same shares from place to place. (more…)