Ohhhhh this is advertising by IB. Nice. They're doing a lot of these little things to get more retail into the market.
Technically thats an unreachable condition anway, because you'd be recording new seven minute highs if you continued to trade above the previous seven minute high. Oh yeah...people use time bars.
Nice, previous qualifier. Still would required some nyquist aliasing I think. Does this thing use bars or trailing hour?
I actually think this is somewhat dangerous for people who dont think in a very nuanced manner. The nice thing about writing code is it (can) force you to be verbose and precise.