The higher level of DAX index means 2 points is about the same granularity as 0.5 point on ES. And combined with the higher multiplier means lower...
At some point your gain will be >99% at which point holding the short position will not have any more upside, so you will have trapped capital...
I signed up to say that I just had the same discussion with IB helpdesk. Options and futures spreads/combos show bid/offer spread that is...
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