RTSM (Mini-MSTR Index) is the MSTR mini index, it is 1/10th the value of the MSTR index. RTSM210 is derive from MSTR2100 because RTSM is the 1/10th size of MSTR and 210 is the 1/10th of 2100 therefore the RTSM2100 is born to reach the 1/10th market cap of MSTR2100 if they are a aiming for 21Trillion Market Cap we are aiming for 1/10th of it.