Can dividends be exploited?
In addition to the other answers it's also noteworthy that the stock exchanges themselves adjust the price quotes via their ex-div mechanism.  All limit orders present in the book when the stock goes ex-div will be adjusted by the dividend. Which means you can't even get "accidentally" filled in the very unlikely case that everyone forgot to adjust their quotes.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Can dividends be exploited?

### Response:
In addition to the other answers it's also noteworthy that the stock exchanges themselves adjust the price quotes via their ex-div mechanism.  All limit orders present in the book when the stock goes ex-div will be adjusted by the dividend. Which means you can't even get "accidentally" filled in the very unlikely case that everyone forgot to adjust their quotes.