I would think of it more as a "cycle" than a circle. If there's anything to it, it should begin to head lower soon. If not, try to identify a pattern in time that continually repeats whereas in the upswing price rises and bottoms at the 90 degree level of the downswing. If price hits a new high when it should be heading lower, it doesn't always mean that the cycle is wrong, rather it usually means an inversion cycle is taking place. Very cool tool that does work. The circle experiment was a neat idea that didn't work out this time - but that doesn't mean there's nothing valuable -- perhaps even more valuable -- taking place. Cheers!
imdp
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Edit: If price hits a new high when the cycle is at its 90 degree low - an inversion cycle may be taking place.