I think if you believe that the SP is going to crash based on large trades close to the week high on a Friday you perhaps should be concentrating more on the 5:15 at Aintree this afternoon.
Ths problem with being controlled by the state is that the return would be fixed. The value is know the risk , like gold , silver or diamonds. It's the cyber worlds precious metal
You will drive yourself up the wall and into the nut house watching hourly charts on this unless you are trading. Only bought £5k but it's in my back pocket now.