Did you consider the exponential behaviour? I get that 15 minutes makes for prices going up by a factor of 1.00026271523, so an increase by 0.026%. Calculation

Did you consider the exponential behaviour? I get that 15 minutes makes for prices going up by a factor of 1.00026271523, so an increase by 0.026%. Calculation: https://www.google.com/search?q=exp((15+min)*ln(10000%2B1)%2F(1+year) https://www.google.com/search?q=exp((15+min)*ln(10000%2B1)%2...)