The recent wealth secret is the price differences and fee arbitrage between various CEXs, DEXs, and brokerages.

However, this space will continue to shrink as the index components are modified, and there is no sustainability.
Looking back at this wave of RWA, even if you didn't catch the big bull market in the US stock market, it still provided ample profit opportunities for arbitrage players.
Since the initial launch in the crude oil market, there have been numerous opportunities, big and small.
Oil rollovers or weekend geopolitical turmoil creating huge price gaps (crude oil, precious metals).
Then, on the US stock chain, earnings season or massive buy signals from certain signal traders often provide enough spread and fee space.
The liquidity in the crypto world is still sufficient; it's just that now everyone is really leaning towards RWA.
Native altcoin pump-and-dump schemes have already started realizing there's no fish to catch and are turning to arbitrage players (personal experience).