Earlier quoted context omitted.
You do NOT need to change the prices for it to be a wash trade. What you gave me a profitable and likely illegal example of a wash trade, but not a definition of wash trade. A wash trade could be selling thing X for $100 and buying thing Y for $100 where X and Y are the same exact underlying thing. Just moving pointless trades back and forth inflates volumes, which makes people thing the market is moving. See https:/…
> You do NOT need to change the prices for it to be a wash trade. No you don't. But you do need to be buying and selling the underlying repeatedly for "some reason". That "some reason" could be fraud, or it could just be tax-optimization. The important thing is, "wash trading" is the technique of buying-and-selling the same thing at nearly the same time... which has many many applications. Many of those applications…
Selling your own NFT to your self for a profit, that's something else, but its not a wash trade as in that case there is a price change.