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Difference is even more, on weekly+ longer.
Even on a days data , call QQQ 1%; sqqq is more than 3%, +3.07% or+ 3.09%.
TQQQ is [-2.96% ] .I'm using IBD data close to close, here, but principle is same on your data, also.
SQQQ manager doesnt want it exactly 3x, that could or would bankrupt...