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Including bounce back and fade out this should correction require a few days until end of June - beginning of July. Then slow stabilization at 2.5 zo 2.6 level and return to long term trend would be my estimation.
This is an update to my chart from January 2017. If you click on play, you can see how it plays out.
This is just an estimation to demonstrate the levels of movement that have to be expected. Since I am only speaking about general long term trends here, I am not capable to give any guarantee whether the peak will reach 7.5k or at 15k or be in September or in November. It does not affect the validity of these observations anyway.