Investing and gambling might seem similar, but they play by different rules....

https://milosultimatecolumn.zenbloomer.com/posts/can-you-calculate-expected-value-of-an-options-trade-yourself

Investing and gambling might seem similar, but they play by different rules. Casinos clearly show their RTP, so you know the house edge upfront. Many trading products bury their real costs, making it harder to see your true expected value