# Funding Rate

The Funding Rate is calculated and charged/paid hourly, and the specific calculation formula is:

$FundingRate=[APR+clamp(InterestRate-APR,0.05\%,-0.05\%)]/8$

PR is calculated every 5 seconds.

Average Premium Rate (APR) = (1*PR_1 + 2*PR_2 + 3*PR_3 +…+ n*PR_n) / (1+2+3+…+n)

n∈[1, 720], if n reaches 720, it means a whole calculation circle is finished, and the Funding Rate would be executed with this exact value.

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