Index	Field	Type	Description
[0]	MTS	int	Millisecond epoch timestamp
[ . . . ]
[2]	DERIV_PRICE	float	Derivative book mid price
[3]	SPOT_PRICE	float	Book mid price of the underlying Bitfinex spot trading pair
[ . . . ]
[5]	INSURANCE_FUND_BALANCE	float	The balance available to the liquidation engine to absorb losses
[ . . . ]
[7]	NEXT_FUNDING_EVT_MTS	int	Millisecond timestamp of next funding event
[8]	NEXT_FUNDING_ACCRUED	float	Current accrued funding for next 8h period
[9]	NEXT_FUNDING_STEP	int	Incremental accrual counter
[ . . . ]
[11]	CURRENT_FUNDING	float	Funding applied in the current 8h period
[ . . . ]
[14]	MARK_PRICE	float	Price based on the BFX Composite Index
[ . . . ]
[17]	OPEN_INTEREST	float	Total number of outstanding derivative contracts
[ . . . ]
[21]	CLAMP_MIN	float	Range in the average spread that does not require a funding payment
[22]	CLAMP_MAX	float	Funding payment cap

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