Bitcoin (BTC) erased overnight gains on Sept. 30 as sudden bug at major exchange Bitfinex caused a mass outage.

BTC/USD one-hr candle chart (Bitstamp). Source: TradingView

Bitfinex investigates mystery shutdown

Data from Cointelegraph Markets Pro and TradingView showed BTC/USD losing the $43,000 level following the news afterwards hitting local highs above $43,800 on Bitstamp.

With the source of the upshot unknown at the time of writing, traders were left in the night as an already sensitive crypto market roughshod back toward established back up.

"We are investigating issues with the platform and have to temporarily halt trading," Bitfinex wrote every bit part of its latest service update.

Tuesday had seen fellow exchange Binance, the largest by volume in the world, suspend trading for ii hours as part of scheduled maintenance, this having no meaning impact on BTC toll action.

With Thursday already gear up to be a charged day, nonetheless, Bitcoin looked set to close out September about exactly at its predicted "worst-case scenario" price of $43,000.

In so doing, the largest cryptocurrency would once once again validate predictions made past stock-to-flow model creator PlanB, who also correctly estimated the Baronial shut of $47,000.

Fellow trader and analyst Rekt Uppercase, meanwhile, reiterated the need for BTC/USD to reclaim its 21-week exponential moving average level (EMA) by the end of Lord's day to preserve overall bullish momentum.

Market mimics $10,000 BTC from September 2022

Meanwhile, the overall character of the Bitcoin market was nevertheless far from bearish for most.

Related: Bitcoin breaking new highs in Q4 will 'temporarily turn alts to dust' — Analyst

Despite lackluster price activity, the odds remain for a dramatic return to class in the coming weeks and months, with comparisons to the same flow in 2022.

The latest was from Cole Garner, who noted that the large block of heir-apparent support merely below $xl,000 was reminiscent of the lodge volume setups when BTC/USD was at $ten,000 in September last yr.

This week as well saw long-time pundit Bobby Lee predict not only $100,000 in the mid-term just as much as $200,000 or more than for Bitcoin in a new "FOMO rally."