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Recent Trading Announcements

Bitcoin Cash Futures Now Live
2017-11-15 07:42:31

We are pleased to announce that the BitMEX 24 November 2017 Bitcoin Cash / Bitcoin futures contract is now live.​

  • Symbol: BCHX17
  • Expiry Date: 24 November 2017 12:00 UTC
  • Contract Value: 1 BCH
  • Underlying: Poloniex Bitcoin Cash / Bitcoin exchange rate
  • Leverage: 20x

​BitMEX Bitcoin Cash Holdings

On or before 31 December 2017:​

  • The amount of Bitcoin Cash a user is entitled to is determined by their Margin Balance at 1 August 2017 13:17 UTC, a few seconds after block 478,588.
  • Users will not receive Bitcoin Cash, rather BitMEX will sell all users’ Bitcoin Cash, and credit their wallet with the Bitcoin proceeds.

BitMEX Future Hard Fork Policy

BitMEX does not agree with contentious hard forks, and does not accept the manner in which Bitcoin Cash was forked, or the lack of preparation or notice before the fork; we consider this a dangerous action that imposes unacceptable costs on end-users and businesses. Please read our Policy on Bitcoin Hard Forks for acceptable hard-fork criteria.

However, months after the fork, it is clear this coin still has value and popular demand, so we have decided to credit Bitcoin at the prevailing Bitcoin Cash price. Do not expect future coins to be credited in this way. BitMEX reserves the right to credit forks or not – in the presence of doubt, always withdraw first.

Summary of Completed Maintenance
2017-11-10 22:53:42

Maintenance yesterday, November 9th, went off without a hitch. This update was to increase trading capacity and improve behavior under high load. A list of changes:

  • Our trading engine was upgraded to a more modern server with faster, newer CPUs. This has improved overall latency and queue depth.
  • Load-shedding has been implemented. If the trading engine’s queue depth grows beyond an internal threshold, new requests will be immediately refused with a 503 until the queue shrinks again. Order cancellations are not subject to this restriction.
  • We have quadrupled capacity on the subsystem responsible for user authorization and API keys. This is a future-proofing measure and is unlikely to be noticed by users.
Scheduled Maintenance: November 9, 2017
2017-11-4 23:14:36

The BitMEX platform will halt trading on November 9 at 18:00 UTC for a database upgrade. Once the platform is back online, we will notify via Twitter, enter a cancel-only period for 5 minutes, and trading will resume.

Upon resumption of trading, the tick size on XBT products will be increased from 0.1 to 0.5 USD, and on XBJ products from 1 to 100 JPY. If you are using automated tools, please ensure they are aware of the change and submitting/amending with the proper tick size.

Additional Withdrawal Round for Bitcoin Gold
2017-10-23 19:19:17

Like other Bitcoin hard-forks, BitMEX will not support Bitcoin Gold (BTG).

At block 491407, the BTG team intends to snapshot balances. Note that the BTG client is not completed and will not be released at this time. Therefore, there is little risk of leaks through transaction replay, assuming the BTG team properly implements replay protection by the actual client/network launch.

BitMEX will process an additional round of withdrawals at 22:00 UTC (in 2 hours 40min) for users who wish to hold Bitcoin in their own address for the snapshot. It is safe to re-deposit after block 491407.

BitMEX News & Changelog: October 14, 2017
2017-10-14 23:11:54

We’ve published a new changelog for this month. Highlights include beta Russian translation, performance improvements, bugfixes & news.