Effective 26 September 2018 at 12:00 UTC the December Altcoin / Bitcoin Futures contracts indices will include the last price of Binance and Kraken (where possible) in efforts to further strengthen the underlying stability of the reference price. Existing Altcoin / Bitcoin September Futures contracts will remain under their current indices until expiry.

Contracts Affected

ADAZ18

BCHZ18

EOSZ18

ETHZ18

LTCZ18

XRPZ18

New Index Creation For Affected Contracts

.BADAXBT will be (0.5 * Bittrex + 0.5 * Binance)

.BBCHXBT will be (⅓ * Poloniex + ⅓ * Kraken + ⅓ * Binance)

.BEOSXBT will be (⅓ * Poloniex + ⅓ * Kraken + ⅓ * Binance)

.BETHXBT will be (⅓ * Poloniex + ⅓ * Kraken + ⅓ * Binance)

.BLTCXBT will be (⅓ * Poloniex + ⅓ * Kraken + ⅓ * Binance)

.BXRPXBT will be (⅓ * Poloniex + ⅓ * Kraken + ⅓ * Binance)

On 21 September 2018 the ADA, BCH, EOS, ETH, LTC, TRX, and XRP contracts will be re-listed as a December quarterly futures contract.  The new contracts will be:

• BitMEX Cardano / Bitcoin 28 December 2018 futures contract (ADAZ18)
• BitMEX Bitcoin Cash / Bitcoin 28 December 2018 futures contract (BCHZ18)
• BitMEX EOS Token / Bitcoin 28 December 2018 futures contract (EOSZ18)
• BitMEX Ether / Bitcoin 28 December 2018 futures contract (ETHZ18)
• BitMEX Litecoin / Bitcoin 28 December 2018 futures contract (LTCZ18)
• BitMEX TRON / Bitcoin 28 December 2018 futures contract (TRXZ18)
• BitMEX Ripple / Bitcoin 28 December 2018 futures contract (XRPZ18)

The BitMEX .BXBT Index change is now live.

Please note that the Index is now made up of the following: (⅓ * Bitstamp + ⅓ * Coinbase Pro + ⅓ * Kraken).

Products Affected:
– XBTUSD
– XBT7D_D95
– XBT7D_U105
– XBTH19

Interim Index for Existing Futures Listings

The BitMEX .XBT Index is identical to the old .BXBT index: (½ * Bitstamp +½ * Coinbase Pro). This index will remain for the unsettled futures contracts until expiry (28 Dec 2018 12:00 UTC).

Products Affected:
– XBTU18
– XBTZ18

To further strengthen the trading of our XBT/USD products, BitMEX is proud to announce the introduction of Kraken’s XBT/USD price feed into the BitMEX .BXBT Index. This will bring the number of constituents in our primary index from 2 to 3.

This change will take place on Sunday, 16 September 2018 at 12:00 UTC on our XBTUSD Perpetual Swap product, new Futures products and on our Option products. Existing XBT/USD futures products that have not settled will remain under the existing index.

New Index Composition

.BXBT, the BitMEX XBT/USD Price Index, will change from (½ * Bitstamp + ½ * Coinbase Pro) to (⅓ * Bitstamp + ⅓ * Coinbase Pro + ⅓ * Kraken).

Products Affected:
– XBTUSD
– XBT7D_D95
– XBT7D_U105
– XBTH19

Interim Index for Existing Futures Listings

.XBT is identical to the old .BXBT index: (½ * Bitstamp +½ * Coinbase Pro). This index will only be used for in-progress futures as not to modify their composition mid-contract.

This new index will be phased out after the settlement of the affected products (28 Dec 2018 12:00 UTC).

Products Affected:
– XBTU18
– XBTZ18

On the back of the success of the XBTUSD Perpetual Contract, Bitcoin’s most liquid market, BitMEX is proud to launch the all-new ETHUSD Perpetual Contract.

Trading is now live! Full contract specs are available here and summarised below:

Symbol: ETHUSD
Expiry Date: Perpetual
Bitcoin Multiplier: 0.000001 XBT (100 Satoshis)
XBT Contract Value: ETHUSD Price * Bitcoin Multiplier (100 Sat/$1)
Underlying: .BETH (Bitstamp, GDAX, and Kraken equally weighted)
Max Leverage: 50x

Funding Min/Max: -0.75% to 0.75%

Session Interval: 8 hours