I add the ES because I daytrade ES. These are the real statistics for April. First every big move and the potential in each move, and in the next column the total potential of the day. As you can see there are every day a few big moves (bigger than 20 ticks). I don't call this dull days. If this are dull days, how much should the market move then? More than 25 points in each move? If you cannot make money in this market you have a big problem. Then the problem is not the market but YOU.
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The figures above confirm that there are many bigger moves than 10-20 ticks. Try to catch them is another problem, but that's the job for the trader. If he cannot catch anything he has to be blamed, not the "dull" market. 10 ticks is almost in every move just a small piece, that's why it is irrelevant. The real moves are relevant and much bigger.
My average profit per trade is more than 20 ticks which proofs that I don't go for small moves. I try to take the moves I showed above.
Don't get your panties in a bunch, I know there will always be tradeable days in a month, I did not dispute that, my objection was towards your claim that there will always be a few big moves everyday. That is definitely false unless you consider 5 point chop and the occasional 10 point move to be huge (good luck catching these moves though).
And I believe your data includes ETH range, RTH range is much smaller that, so I don't know why you chose to include those since we are talking about day trading here, or do you day trade 24 hours a day?