TY Pascal,
The phases you spotted are interesting.
Here are the dates to your trend line breaks.
(It is a bit subjective)
RTH-Buying vs the normal eth time series of the ES futures:
here are the percent returns for the selected dates:
(I hope I have no error in the steps)
here are the means of the above:
I have not adjusted for a buy&hold base line.
And 2x 2 signals overlap.
But I think a trend line break is not a strong enough signal for a short.
Maybe for T+1, but this is more like a momentum play
(going with a breakout for a day).