$DiDi Global (Delisted)(DIDI.US)$ In Q1 2021, Didi's transaction volume was 9.5 billion US dollars, and Uber's was 19.5 billion US dollars, which is about twice that of Didi. The reason why DiDi's revenue scale is higher than Uber's is mainly due to differences in revenue statistics between the two. By this calculation, Didi's share price should be 21% of Uber's, or about $9.98