Basically, you can express CPR as a percentage. Central Pivot Point (P) = (High + Low + Close) / 3. 1) First Resistance (R1) = (2*P) - Low. 2) Second Resistance (R2) = P + (R1-S1) 3) First Support (S1) = (2*P) - High. 4) Second Support (S2) = P - (R1- S1)