Betting on the outcome of a presidential election is legal in some places, but it is subject to local, state, and federal laws and regulations. In the United States, for example, sports betting was legalized at the federal level in May 2018 when the Supreme Court struck down the Professional and Amateur Sports Protection Act (PASPA). This decision allowed individual states to decide whether to permit sports betting within their borders.

However, the legality of betting on elections specifically can vary:

1. **Sports Betting Regulations**: While many states have legalized sports betting, not all of them allow for betting on political events. Sports betting typically refers to wagers on traditional sports events, and some states have laws that explicitly exclude political events from betting.

2. **Online Betting**: Online betting platforms may offer markets on political events, but they are subject to their own terms of service and the laws of the jurisdictions in which they operate. It’s important to ensure that any online betting site you use is legal and reputable.

3. **Federal Law**: There is no federal law in the United States that explicitly makes it illegal to bet on the outcome of an election. However, certain types of election-related betting could potentially run afoul of laws against election interference or corruption.

4. **State Law**: Some states may have specific laws against betting on elections, so it’s essential to understand the laws in your state before participating in any form of election betting.

5. **International Betting**: Residents of some countries may have access to international betting sites that offer election betting. However, this can be a legal gray area, and there may be risks involved, including the potential for fraud or difficulties in collecting winnings.

If you are considering betting on a presidential election, you should:

– Verify the legality of such betting in your jurisdiction.

– Use only licensed and regulated betting platforms.

– Be aware of the risks involved, including the potential for addiction and the loss of money.

Remember that betting on elections is not the same as participating in the democratic process, and it should not be seen as a substitute for informed voting.