ZN Quote on IB question

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UVXY20

I bought a future this morning at 114'265, according to IB’s trade history, (or 114 17/64 or 114.265 -- my math.)

But in the TWS portfolio page it has under "average price" column 114.83125 and a "cost basis" column of 114.830.

I had a short call I bought back for a small profit earlier in the day. Is that being accounted for in my average price and cost basis columns? Gee, I legged in. Odd, no?

Or is something else not right?

Also, is it anomalous that a fraction ’265 is the same as the decimal .265?

Do I need glasses?

Thanks, I'm a poet-in-business-school-type about these things.
 
me think the cost basis includes the commission, hence the difference.

17/64 is 0.265625, if you only have small lots, rounding is normal.

ib won’t make mistakes like that.
 
For ZN futures 114'000 to 115'000 is divided in 32 points, not 100. So 1 point is 1/32 or $31.25 per point.

IB however does seem to display it in 100 increments instead of 32.

You bought at 114'265, which equals to '265*3.125 (100/32) = 114.828125.
 
some platforms allow you to toggle between decimal and non decimal.


Americans like
1/64, ounces, feet, quart, pounds, miles, acres and many other things that are not multiples of 10s.
Is that why
1 Byte = 8 bits and not 10 bits?

My brain CPU is not powerful enough to handle those units.
 
Last edited:
p0box4 said:
For ZN futures 114'000 to 115'000 is divided in 32 points, not 100. So 1 point is 1/32 or $31.25 per point.

IB however does seem to display it in 100 increments instead of 32.

You bought at 114'265, which equals to '265*3.125 (100/32) = 114.828125.
More...

I thought the displays were in 64ths!
 
p0box4 said:
For ZN futures 114'000 to 115'000 is divided in 32 points, not 100. So 1 point is 1/32 or $31.25 per point.

IB however does seem to display it in 100 increments instead of 32.

You bought at 114'265, which equals to '265*3.125 (100/32) = 114.828125.
More...

Any logical reason my IB does this?
 
The average price is calculated by dividing your cost (execution price + commission) by the quantity of your position. This value is then used to determine your unrealized P&L. Right-click the field name and select Configure Precision to specify additional decimal places that will display as superscript

From:

https://www.ibkrguides.com/traderworkstation/profit-and-loss.htm

Which does not refer to that conversion to /32 or /64

Then they wonder why people hate their software.
 
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