ant1 has contributed to 2 posts out of 19559 total posts
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Thanks Gary for the quick answer and pointing out that this asumption is wrong.
I am quite not sure to understand how, and I would greatly appreciate to get the long answer.
So what you are saying is that - purelly timely speaking - is that for example - if we have the following two minutes for Ask:
10:00 : Open $4.95, Close $5.00
10:01: Open $5.02, Close $5.05
The open time for the 10:01 is not exactly 10:01:00.000000 but between 10:01:00.0000 and 10:01:59.9999999, the first time the order book has changed during this time span, modifying the Ask price.
Or is it that the close price of $5.00 doesn't really happens at 10:00.59.99999 - it is the last change in value recorded between 10:00:00.00000 & 10:00:59.999999 - and that it happens that the price changes at exactly 10:01:00.000000 - giving a different Open value than the close value?
Or is it a bit of the both?
I was under the assumption that Always, the close price equals the next opening price durg the opening trading day - with the expection of stock exchange closing vs stock exchange opening the next day.
For example, when I query any NASDAQ stock minute granularity historical data, I get improper values.
Statistically, 90% of the time, the close price is different from the next opening price.
I can also see that inconsistency in the Charts App from the IQFEed API Connection Manager, to reproduce, just open the Charts APP, take ABC Symbol, for example, load the minutes, display OHLC and click on each minute - and you will see the inconsistency by yourself.
Same Happens when doing a
HIT,Symbol,60,date from,date to,,,,1,Requestid request to the API.
How can I get consistent open/close historical data with IQFeed?