2021-04-28 05:52:44
Parameter Updates Now ‘Live’Today at 02:15 UTC, technical updates were made to the Impact Notional and % Fair Basis update methodology - two factors related to Mark Price.
Impact Notional - What changed?
The Impact Notional used in the calculation of Fair Price for Futures Contracts and Funding Rate for Swap Contracts changed from an XBT value (0.2XBT / Initial Margin) to a USD value and will vary by contract type as follows:
All Perpetual Swaps - USD 10,000
For Futures:
Linear Futures - USD 50,000
Quanto Futures - USD 10,000
XBT (Inverse) Futures - USD 200,000
% Fair Basis Update Methodology - What Changed?
The % Fair Basis will now update every 30 seconds (instead of 60 seconds) but only if the difference between the Impact Ask Price and Impact Bid Price is less than the larger of:
a) the maintenance margin of the futures contract
b) 3 ticks on the Futures contract
For further details on the updates, please see our blog: https://bit.ly/3eDRsva
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