Bitcoin price erased last month gains to start the day lower after the government of china banned bitcoin exchange in the past week.

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Moreover up to date all other cryptos in the market contributing the most losses due to the effect of bitcoin since its the bridge between fiat money and cryptocurrencies.
Thus, some of bitcoin analyst argue that, second investors are dealing with a different market behavior, for eg, Ash Bennington argue:
> When the price of bitcoin plunges — as it did last week — seasoned investors are caught in a market that doesn't exactly have the mechanisms they're used to.
Case in point, hedging long positions, is today a difficult prospect. Unlike most traditional stocks, where investors can open a margin account with their broker that allows them to short most shares, the tools in bitcoin are few and far between.
Yet, while some see betting big on bitcoin as a gamble in and of itself, a new casino-like exchange type is filling the gap for those seeking to bet – or otherwise prepare for – the cryptocurrency's drops.
Enter parimutuel betting pools.
Far from a familiar term, it's nonetheless an important one should traders want to know what they're buying into. In simple terms, parimutuel pools are a way of speculating on the future price of cryptocurrencies without actually owning the coins themselves. [Link](https://www.coindesk.com/bitcoins-parimutuel-problem-shorting-doesnt-pay-today/)
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 V.Smerkis see it from another perspective as he see that the market should be tested, and how ICO will survive in Japan. Moreover he thinks that bitcoin is strong on $3000 as bitcoin has already tested the $4000 and failed.
> BTC/USD 21.09.2017
The past week proved highly challenging for the whole market. Bitcoin graphs show that the market withstood this test with forbearance. Even in the absence of positive news, there was a rapid price reversal from key support levels. Everything has gone smoothly this week, and buyers and sellers are now analyzing the situation. Japan’s Financial Services Agency (FSA) gives a bit of positivity to the market as it is considering the possibility of surveying ICOs in Japan. The FSA has played a pivotal role in drawing up rules regarding cryptocurrencies in Japan, despite the fact that the country has officially classified Bitcoin as a payment method.[link](https://cointelegraph.com/news/bitcoin-ethereum-litecoin-price-analysis-september-21)
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