The trend we see here is that the fee collected hit the peak on Jan 8th with more than $7M collected, but ever since the fees has fallen down steadily. It has consolidated at an average of $300k-$400k over the past two months.

The fee collected is calculated as 0.25% of the swap volume each day that goes back to the LP providers as AMM profits

Comparing Sushiswap and Uniswap:

Quite evidently, there is no correlation between fees Sushiswap and Uniswap profits.

Uniswap has huge blips with the highest reaching around $60B on March 16th.

Uniswap average fee collected each day stands around $1M as compared to $300k-$400k on Sushiswap.