Having only got into trading just after the April crash I kept finding walls suddenly appearing, causing me to panic and 'have to' trade at a loss. By posting this a little while back Frozenlock you really helped me to understand Wallzilla's fiendish plans and to gain rather than lose from them most times. I'm still only trading with a small amount but this insight (along with the experience I'm gaining) has helped to reverse my losses and I'm generally trading better. Thanks for that.
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DOM (including walls) analysis can be of importance when you trade leveraged instruments, markets are liquid, spreads tight, trades can be short yet profitable and infrastructure sufficient for HFT.
Walls have no significance for current BTC trading (other than watching them for entertainment). Have you seen how many walls were eaten / withdrawn on the way from 136 to 66? Was there any significant wall at 66 that would justify trend reversal? Not really, yet Mrs Market reversed.
Walls are just smoke screens
That 80 something wall will either be withdrawn by the whale or eaten.
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Nothing happening, going out for a bike ride.