Nanex Research

Nanex ~ 05-Jun-2012 ~ What is up with the ISE Options Exchange?

On June 5, 2012 at 12:00:06 the opra quote feed surged to record levels, and once again, quotes from the ISE show all the hallmarks of significant feed delays.

Chart 1a. Showing Option Quote Message rates for each exchange plus the total. Chart shows about 2 seconds of data.
Note the red line showing message rates from ISE. It appears opposite the other exchanges.
Chart 1b. Same as chart above minus the total. 
Chart 1c. Only shows Nasdaq and ISE quotes for clarity. 
Chart 2a. Another example. Chart shows about 1 second of data.
Chart 2b. Same as above with just Nasdaq and ISE for clarity.
Chart 3a. Another example. Chart shows about 1 second of data.
Chart 3b. Same as above with just Nasdaq and ISE for clarity.
30 more examples, showing only quote rates from Nasdaq and ISE  plus total for clarity. Each chart shows about 1 second of data.
Note that 50 - 100 milliseconds after the beginning of a surge, option quote rates from the ISE will suddenly drop, and then 50 to 350 milliseconds later, surge to higher rates.


Nanex Research