NYSE daytrading volume & Hybrid

L

Lights

What % of overall NYSE daily volume is by proprietary daytraders?

Lot of firms claim to do 2-3% of the daily volume. What if the total volume of all prop daytrading is like 20% of the overall volume, and since daytrading has suffered from hybrid, with the thousands of professional daytraders cutting volume by 50-70% and then % of traders even leaving the biz, is this why avg daily nyse volume is dropping? Did the NYSE forsee this, they don't seem to value daytraders much.
 
Quote from Lights:

What % of overall NYSE daily volume is by proprietary daytraders?

Lot of firms claim to do 2-3% of the daily volume. What if the total volume of all prop daytrading is like 20% of the overall volume, and since daytrading has suffered from hybrid, with the thousands of professional daytraders cutting volume by 50-70% and then % of traders even leaving the biz, is this why avg daily nyse volume is dropping? Did the NYSE forsee this, they don't seem to value daytraders much.
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The NYSE volume has actually increased since the hybrid, most likely becuase of an increase in bots and black boxes. I don't know of any firm that can claim to do 2-3% of the volume; I think SAC capital (a huge hedgefund) used to make that claim, and maybe Swift trade (1200 + traders paying virtually free commissions)...

Lately the NYSE has been averaging around 3 billion shares/day. To do 1% of that volume, you need 300 daytraders each trading 100,000 shares daily. (so I guess Swift probably does do 2-4% of the volume).

Regardless, daytraders are nothing.
 
Lights

Why do you presume that traders volume has gone down. Mine has gone up since hybrid from about 3mil a month to now about 5mil. Many of my trader friends volume numbers have increased as well.
 
has volume really gone up on NYSE executions? i thought the increase was on INET and there was a decrease on NYSE. getting filled on NYSE is terrible compared to INET.
 
because i recently looked at aggregate trade volume month to month at a very large (unnamed) prop daytrading firm.

Quote from jd7419:

Lights

Why do you presume that traders volume has gone down. Mine has gone up since hybrid from about 3mil a month to now about 5mil. Many of my trader friends volume numbers have increased as well.
More...
 
I can't speak for other firms but I would assume volumes are increasing in Nyse stocks due to the more bot friendly trading ex specialist environment. I would think schonfeld is doing at least 50mil shares a day but prob more. There are alot of bot traders now at that firm doing over a mil a day. I'm in the process of getting my black box up but its been taking a lot longer than I expected.
 
up through february, NYSE volume was down for sure. i dont know how they did in march. that is why NYX tanked last month after they missed earnings and didnt give a good outlook for the future.
 
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