Recent content by lovefxspot

do let us know if dxfeed is true bbo

not sure...last time i checked its only nbbo. its current feed page still says nbbo.

dxfeed is only nbbo, not bbo tho.

its about 6-8k per month including a dedicated colo in ny4.

you need true tick-by-tick provider...there are only two choices for retail trader - Activetick & Nanex. they get raw data from SIPs and can subscribe by venue. Activetick is not reliable but when it works its pretty good. Don't use IQFeed or Polygon. they send their own composite feed. In...

this is more like introduction broker, still going thro execution+clearing broker...not what i am looking for

they give 200x leverage, impossible in usa. and most top HFTs use this broker all NYSE listed tickers just like i wanna do execution/agency broker (no dealing) myself but use your WB as clearing broker

currently I am trading 20mm-30mm (could bump it to 50mm) NYSE shares per month at a Dutch broker. They charge me 0.001-0.0015 per share. wondering if setting up own execution broker can save me commission. oc need to figure out if saved commission can at least offset fees/cost to setup/run...

exactly what I found out...their support guy told me wrong thing

think you saying about CQS is right. but what polygon told me is definitely wrong as they do aggregate/filter exchange quotes. I compared polygon's NYSE quotes with raw NYSE quotes from ICE data service and there are lots of missing quote updates. Hope Polygon guy here can clarify this...their...

cool. this makes sense. so when vendor sends raw CTA/UAP message I'd get whole level 1 of each exchange.

I am trying to get level 1 quotes of NYSE. Couple of vendors (Polygon is one of them) told me I just need to subscribe their CTA/UTP feed and then filter out non-NYSE quotes. hmm...my understanding is CTA/UTP only sends aggregated quotes based on NBBO rules. So technically CTA/UTP should only...

90% is based on 94 cases...nice