How much is Lightning worth?
The physical Lightning fruit trades for around 21M. The permanent version is worth about 1.83B. In the shop it costs 2,100,000 Beli, or 2,100 Robux for the perm.
Demand for Lightning is 6 out of 10. That's about average. You'll find takers, but it may take a few tries.
What can you get for Lightning?
Fruits with a similar value make a fair swap. The list below shows fruits close to Lightning in value. Use the trade calculator to check a full offer before you accept.