XLE

Both sides work against this trade now: funding costs −$7 a day on $10k at the current rate, and KuCoin is 0.110% cheaper against SunX than usual: you would sell low and buy high (−$11 if the spread goes back to its 7-day average of −0.091%). Swap the legs. Mind the row above: over the last 7 days funding on this pair paid +0.051%, so the current rate has only just turned against you.

The current funding rate is far above what this pair has been paying: over the last 7 days it paid 0.051% in total (about 2.7% a year). A funding rate is set anew for every payment; at this rate the next one is about −$2.27 per $10,000. In the chart: green and red are payments made, yellow is the current rate, not paid yet.