Iv noticied in the TWS IB trading window that under volume column by clicking right you can choose between prefer calculated volume vs native calculated volume.
The first option give a bigger volume but if you gather the volume in time and sale in NT, volume that comes from IB. The total sum only equal to prefer calculated volume.
Is it possible for NT to receive the native calculated volume instead?
Unfortunatly the time and sales of IB dont seems to give you the choice between the two. It looks like they only feed you with prefer calculated volume althought the trading window give you the choice between prefer and native calculated volume.
Frank
ty
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