It seems the price difference between Gox and the rest is now almost 20%, the highest I remember it. Is this an indication of the situation deteriorating? At this price differential it is even more tempting to try the arbitrage even if it means one full month per complete round-trip trade. Do people receive cash withdrawals after 3-4 weeks?
Its due people buying btc and making the price up so they can withdraw btc instead of fiat. I think its normal reaction due long withdraw waiting time.
Obviously, but absent solvency concerns, there must be a point where the delay is not an issue and the price gap should make it attractive for arbitrageurs to step in. If all transaction costs are say 5%, and there's let's say one month delay, there's potential for 15% profit per month.