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Do you synchronize your PC time exactly with CME?
Started:November 1st, 2016 (10:46 AM) by SoftSoap Views / Replies:1,322 / 21
Last Reply:November 14th, 2016 (04:10 PM) Attachments:0

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Do you synchronize your PC time exactly with CME?

Old November 5th, 2016, 04:02 PM   #11 (permalink)
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Is this a lag on the source or on your connection ?

minutes.. is an issue
seconds... is not an issue

i get weekly approached on HFT infrastructure
i believe this is not my edge
i do fire a lot of orders (not to be confused with HFT)

my edge is on market bias
and market direction
if i don't get the best fill it's about 1 or two ticks..
not worth the investment for the size i trade...

get the bias right for 10/20 ticks
and then focus on the optimization of the ticks..

my humble opinion

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Old November 5th, 2016, 04:15 PM   #12 (permalink)
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rleplae View Post
Is this a lag on the source or on your connection ?

minutes.. is an issue
seconds... is not an issue

i get weekly approached on HFT infrastructure
i believe this is not my edge
i do fire a lot of orders (not to be confused with HFT)

my edge is on market bias
and market direction
if i don't get the best fill it's about 1 or two ticks..
not worth the investment for the size i trade...

get the bias right for 10/20 ticks
and then focus on the optimization of the ticks..

my humble opinion

Not sure where the lag comes from to be honest.

This isn't part of my edge as I hold trades for 13-25 pts on the NQ (minutes and hours time-wise), but my stops are rather tight in comparison (4.5-6 pts) so it could potentially affect one of my entry / exit points.

It's one of those things where if it was a hassle to change, I wouldn't bother doing it. But if it's simple then what do I have to lose?

Imagine you live in a very hot climate and you are looking to buy a car, and the dealer is offering you a package that includes a heated steering wheel.

If it's free or almost free, then why wouldn't you take the upgrade? But if it costs $1,500 to upgrade and it will most likely not make a difference for you, then you wouldn't even bother.

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Old November 5th, 2016, 04:18 PM   #13 (permalink)
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SoftSoap View Post
Not sure where the lag comes from to be honest.

This isn't part of my edge as I hold trades for 13-25 pts on the NQ (minutes and hours time-wise), but my stops are rather tight in comparison (4.5-6 pts) so it could potentially affect one of my entry / exit points.

It's one of those things where if it was a hassle to change, I wouldn't bother doing it. But if it's simple then what do I have to lose?

Imagine you live in a very hot climate and you are looking to buy a car, and the dealer is offering you a package that includes a heated steering wheel.

If it's free or almost free, then why wouldn't you take the upgrade? But if it costs $1,500 to upgrade and it will most likely not make a difference for you, then you wouldn't even bother.

In my place I need a cooled steering wheel, not a heated steering wheel ;-))

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Old November 5th, 2016, 04:22 PM   #14 (permalink)
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In my place I need a cooled steering wheel, not a heated steering wheel ;-))


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Old November 5th, 2016, 07:50 PM   #15 (permalink)
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SoftSoap View Post
Miliseconds doesn't matter to me, but I do want to be as close as possible at least to the second.

This question came up because last week while watching Bloomberg I was at 9:31+ and they were talking about how the market open is in about 15-20 seconds. I know there is a delay int he stream, but I figured a 2 minute delay was probably not right.

This won't make a big difference outside of critical times (open, FOMC announcements, etc.). But it could make a small change into what my candles look like, specially on high volatile environments. I read the candles and the wicks to determine the 'feel' of the market so it could make a difference.

The difference is marginal at best, but the effort to change it is minimal.

A marginal gain for minimal effort? I'll take that improvement any day of the week.

Hope this clears things up.


It's really bad if NT uses (as far as I understand) Windows clock as its own. That leads exactly to the problem you highlighted.

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Old November 6th, 2016, 06:17 AM   #16 (permalink)
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rleplae View Post
Maybe i missed something...

But, have you experienced a failure ? or an edge ? being milliseconds alignee with an atomic clock ?

..


I found that I was sometimes getting lagging data during high volume news events so I now run a time and sales for the principal market I am interested in next to a synchronised computer clock so I can easily see the time and whether there is any lag. The Windows clock didn't seem to sync very often and for me lost a lot of time quite quickly so instead of having to go in to the computer time control panel every few days and manually press the 'sync now' button it is more convenient to have it frequently sync automatically. The Meinberg software time syncs every ten seconds which is more accuracy than I need, but it is free and easy to install and does the job for me.
ps Free Alarm Clock for Windows is a computer clock I can recommend as You can also set your own audible alerts or visual popups and save different setups, eg; I have/have had alerts for: the open, important news in ten minutes, one minute before a new half hour Market Profile bar etc.

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Old November 6th, 2016, 06:26 AM   #17 (permalink)
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I think if you PC clock has a deviation that is noticeable in the magnitude of milliseconds over an elapsed period of 10 seconds, you have an issue with your machine, if there is a difference, it should not be noticeable..

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Old November 6th, 2016, 06:47 AM   #18 (permalink)
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I didn't say my PC loses time when the clock is syncing every ten seconds, I was saying I had a sync problem before I used the software when Windows was only syncing the clock once a month.
Meinberg are a company that build business computer servers, sychronisation systems for specialist industries and have produced this complimentary time sync software. It happens to sync every ten seconds, as I said, more accuracy than I need, but obviously some of their clients actually require frequent time synchronisation and their software does that.

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Old November 6th, 2016, 01:34 PM   #19 (permalink)
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It's really bad if NT uses (as far as I understand) Windows clock as its own. That leads exactly to the problem you highlighted.

Being a rookie, I just assumed that NT synchronized with my PC time. A reason for me assuming this is that I am 2 hrs behind market time, so the candles start plotting at 730 PC time.

I could be completely wrong though so I'll check on the NT forums and confirm.

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Old November 6th, 2016, 07:56 PM   #20 (permalink)
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A better option is to disable the genuine W32Time service and use something like Meinberg NTP.
Then choose us.pool.ntp.org as main NTP server pool and you'll be god to go.
The standard Windows time service with the default configuration is not good enough for trading purposes.

Awesome tip!! I wasn't aware of these solutions.

I manually re-synched via the Windows control panel dialogs, but it was a pain, in two or 3 days the clock would loose sync.

The platform I use (exclusive to the Brazilian market) gets the time information directly from the exchange feed, so for that it wasn't affecting me much, but was kind of odd to see the system clock and the exchange clock out of sync.

Now no more. Thanks!!

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