----- Original Message -----
From: "iqfeed" <
iqfeed@xxxxxxx>
To: <
amibroker@xxxxxxxxxxxxxxx>
Sent: Monday, November 23, 2009 4:18 PM
Subject: [amibroker] Re: Tick data, how important is bids/asks?
> Just to clarify, IQFeed does provide bid/ask quotes in the stream. We send every trade, as well as every bid/ask price and volume
> update. We don't store each bid/ask update in history however. Instead, we only store trades, and the bid/ask price at the time
> of the trade which allows 3rd party software to determine if a trade occured at the bid or the ask. Trades are often interpreted
> as a buy or a sell based on if the trade hit the bid or ask and we provide the information needed to determine this.
>
>
> --- In
amibroker@xxxxxxxxxxxxxxx, "Potato Soup" <potatosoupz@xxx> wrote:
>>
>> I'm working with IQFeed tick data. They don't seem to provide bid/ask quotes, just trades. What's the consensus on whether this
>> matters? I've seen it argued that a lot of games go on with quotes, fakeouts, etc. And that trade ticks are all that matter.
>> Seems though for less liquid instruments you'd really want updated quotes, or the true price could be quite far from the last
>> trade.
>>
>> I realize most AmiBroker users don't trade on ticks, but thought I'd ask here for comment anyway.
>>
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