I had read about him in the past but I think that was related to not just trying to tarde teh futures
I believe in order to stop losses from Nikkei Straddles ( Sell Call and PUt option) he bought and sold Futures on Nikkei
He was not purely trying to arbitrage
Any way reason I am inquiring is I heard that it is still possible but you need good tools etc
and people are doing it in Singapore
So trying to find if it is really do