Draw something on it, e.g. an Arrow-Line
Make sure it says "attached to "ES 03-18" in the properties
Switch instrument to ES 06-18. Arrow line is still visible!
Remove the arrow line on current ES 06-18.
Switch back to ES 03-18
The Arrow line is gone here, too.
Pretty obvious, NT8 is attaching drawing objects to the instrument only, ignoring the expiration of the contract.
This means, if I have charts loaded with drawing objects on one expiration and switch to the next, I cannot get a clean chart for the new expiration without losing all objects for the former expiration, too.
I believe to remember that NT7 behaved different here, treating two expirations as two instruments.
And, as I already mentioned in another thread:
The "automatic rollover" seems to do nothing but auto-selecting the new expiration on all open charts.
Since all drawings remain on the chart (or better: are attached to the instrument only), they're all wrong / not matching former anchor points anymore after the rollover.
Since during the "automatic rollover" the exact shift in points from expiration A to expiration B is known, it would help a ton if the attached drawing objects were shifted by the same amount as well.
So, please, either attach drawing objects to the combo "instrument PLUS expiration" - OR shift the existing drawings during the automatic rollover process accordingly.
The current solution is kind the worst of both worlds, creating a chart cluttered with all wrong drawing charts, but yet preventing from deleting them on the new contract since they will be lost on the old one as well.
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