Polymarket
The most recommended of 3 prediction markets
Recommended for odds many see as accurate forecasts and betting without a house. Common caveat: insiders can profit and resolution rules can be unclear.
Recommended for odds many see as accurate forecasts and betting without a house. Common caveat: insiders can profit and resolution rules can be unclear.
361 people gave an opinion
- recommend it
- 72
- criticize it
- 289
- approval share
- 20%
Recommended in 12 of 13 months
- November 2025: recommended
- December 2025: recommended
- January 2026: recommended
- February 2026: recommended
- March 2026: recommended
- April 2026: recommended
- May 2026: recommended
- June 2026: recommended
- July 2026: recommended
- August 2026: recommended
- September 2026: recommended
- October 2026: recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 72 people recommend itNeeds 10 or more, met.
- 0.2 recommenders for every criticNeeds 2 to 1 or better, not met.
- Recommended in 12 of 13 monthsNeeds 4 or more, met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Prices give accurate real-time probabilities
“Usually the Polymarket markets are pretty accurate and really accurate when an insider at one of the companies puts a bet.”
Comment from 29 Jun 2026 in “Is It Out Yet?” “the prices themselves are set by people with money on the line which is a strong incentive to be accurate”
Comment from 21 Mar 2026 in “Polymarket Says It Deals Truth, but Its Social Feeds Are Filled with Falsehoods” “they use it because the prices are the most accurate real-time probabilities available anywhere”
Comment from 22 Mar 2026 in “Polymarket Says It Predicts the Truth. Its Social Feeds Are Full of Falsehoods” - Comment from 27 May 2026 in “Spain blocks prediction markets Polymarket, Kalshi over lack of gambling licence”
- Comment from 28 Feb 2026 in “OpenAI Fires an Employee for Prediction Market Insider Trading”
- Comment from 28 May 2026 in “Spain blocks prediction markets Polymarket, Kalshi over lack of gambling licence”
Odds set only by money wagered
“the prices themselves are set by people with money on the line which is a strong incentive to be accurate”
Comment from 21 Mar 2026 in “Polymarket Says It Deals Truth, but Its Social Feeds Are Filled with Falsehoods” “they actually made it fair. Odds are only based on how much money each side bets”
Comment from 27 Mar 2026 in “We Haven't Seen the Worst of What Gambling and Prediction Markets Will Do” “which is arguably better transparency than you'd get in trad finance”
Comment from 6 Mar 2026 in “A new Polymarket account made over $500k betting on the U.S. strike against Iran” Fairer than house-based gambling
“From a probability perspective Polymarket is much more fair, as you actually have positive expected value if you have an information advantage.”
Comment from 23 Apr 2026 in “'Hairdryer used to trick weather sensor' to win $34,000 Polymarket bet” “You aren't betting against the house with polymarket, unlike with gambling sites.”
Comment from 26 May 2026 in “Spain blocks prediction markets Polymarket, Kalshi over lack of gambling licence” “they actually made it fair. Odds are only based on how much money each side bets”
Comment from 27 Mar 2026 in “We Haven't Seen the Worst of What Gambling and Prediction Markets Will Do” Called 2024 election accurately
“Polymarket isn't really good at predicting outcomes of those, but they called the 2024 Trump win pretty solidly”
Comment from 30 Oct 2026 in “US Reps Lead Democratic Resolution Opposing A.I. Bubble Bailout for Big Tech” “Polymarket predicted 94% of the results for the 2024 election a month out”
Comment from 28 Feb 2026 in “OpenAI Fires an Employee for Prediction Market Insider Trading”
What people warn about
Each mark is one comment
Insiders profit from private information
“So basically instead of trusting CNN and Fox News you trust an anonymous group of people who may or may not profit themselves from their own decisions.”
Comment from 11 Apr 2026 in “’Abhorrent’: the inside story of the Polymarket gamblers betting millions on war” “by using insider information about the UMA cryptocurrency whales who will ultimately decide how the market settles, whether or not it matches reality.”
Comment from 6 Jan 2026 in “A prediction market user made $436,000 betting on Maduro's downfall” “If some unscrupulous official can pull some strings to get boots in the ground in the next few days, they stand to win a significant amount of money.”
Comment from 27 Mar 2026 in “We Haven't Seen the Worst of What Gambling and Prediction Markets Will Do” - Comment from 13 Apr 2026 in “Nothing Ever Happens: Polymarket bot that always buys No on non-sports markets”
- Comment from 26 May 2026 in “Spain blocks prediction markets Polymarket, Kalshi over lack of gambling licence”
Unclear or manipulable resolution rules
“in practice it’s vulnerable to interpretation of ambiguous wording”
Comment from 7 Jan 2026 in “Polymarket refuses to pay bets that US would 'invade' Venezuela” “by using insider information about the UMA cryptocurrency whales who will ultimately decide how the market settles, whether or not it matches reality.”
Comment from 6 Jan 2026 in “A prediction market user made $436,000 betting on Maduro's downfall” “beware of those who can influence the settlement of the wager, which may settle not in concordance with the actual outcome in reality”
Comment from 28 May 2026 in “Google employee charged with $1M Polymarket insider trading bet on search term” - Comment from 16 Mar 2026 in “Polymarket gamblers threaten to kill me over Iran missile story”
- Comment from 1 Mar 2026 in “A new Polymarket account made over $500k betting on the U.S. strike against Iran”
Feels like gambling, fuels addiction
“Gambling sites like Polymarket are just a symptom. More states need to move in this direction, because its just a tax levied on the uninformed to insider cashing in”
Comment from 20 May 2026 in “Minnesota becomes first state to ban prediction markets” “it's all low level influencers talking about how much money they're making, how you can bet (and yes, it is betting) any time you have 30 seconds to spare”
Comment from 16 Oct 2026 in “Inside Polymarket's paid quote-retweet esports program” “By design it's a game where people with inside knowledge or enough power to bend reality can steal money from people with gambling addiction.”
Comment from 13 Apr 2026 in “Nothing Ever Happens: Polymarket bot that always buys No on non-sports markets” - Comment from 22 Feb 2026 in “Uncovering Insiders and Alpha on Polymarket with AI”
Markets can encourage real-world harm
“Giving people an easy way to profit (i.e. incentive) to use either direct political power or indirect power via bribes is going to have massive consequences on corruption.”
Comment from 11 Apr 2026 in “’Abhorrent’: the inside story of the Polymarket gamblers betting millions on war” “Polymarket is effectively an assassination auction list, you just need to find out which low likelihood resolutions can be swayed by someone's death.”
Comment from 2 Mar 2026 in “Allegations of insider trading over prediction-market bets tied to Iran conflict” “If some unscrupulous official can pull some strings to get boots in the ground in the next few days, they stand to win a significant amount of money.”
Comment from 27 Mar 2026 in “We Haven't Seen the Worst of What Gambling and Prediction Markets Will Do” - Comment from 26 Mar 2026 in “We Haven't Seen the Worst of What Gambling and Prediction Markets Will Do”
Other prediction markets people recommend
The two most recommended other prediction markets, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| PolymarketThis page | 72 | 289 | 20% | 12 | — | — |
| Kalshi | 29 | 150 | 16% | 11 | 1 mo3 owners | — |
| Manifold Markets | 5 | 1 | 83% | 2 | — | — |
What people said
40 of the 424 comments that mention it, newest first. Each links to the original comment.
“Polymarket isn't really good at predicting outcomes of those, but they called the 2024 Trump win pretty solidly”
“it's all low level influencers talking about how much money they're making, how you can bet (and yes, it is betting) any time you have 30 seconds to spare”
“Usually the Polymarket markets are pretty accurate and really accurate when an insider at one of the companies puts a bet.”
“That is dramatically higher than you get from things like pollsters”
“beware of those who can influence the settlement of the wager, which may settle not in concordance with the actual outcome in reality”
“it's the most effective tool we know of for surfacing the true odds of something”
“Polymarket reportedly detected the suspicious behavior, reported it, then worked with investigators”
“They are certainly critically flawed at the moment, but I still feel that with proper traceability, KYC, etc. it would be a much fairer system”
“You aren't betting against the house with polymarket, unlike with gambling sites.”
“When I see people making money on Iran attacks, and murder of heads of state - it shows clearly something is deeply wrong with Polymarket.”
“I find their product valuable and use them daily as a source of unusually high quality predictions”
“Gambling sites like Polymarket are just a symptom. More states need to move in this direction, because its just a tax levied on the uninformed to insider cashing in”
“These markets are a straightforward way to cut through all the noise of the current media conglomerates.”
“From a probability perspective Polymarket is much more fair, as you actually have positive expected value if you have an information advantage.”
“They basically provide no value unless you're an insider, but they do tend to be leading indicators”
“By design it's a game where people with inside knowledge or enough power to bend reality can steal money from people with gambling addiction.”
“prediction markets (kalshi, polymarket) are different structurally because theyre exchanges”
“Giving people an easy way to profit (i.e. incentive) to use either direct political power or indirect power via bribes is going to have massive consequences on corruption.”
“So basically instead of trusting CNN and Fox News you trust an anonymous group of people who may or may not profit themselves from their own decisions.”
“A $1k premium paid to Polymarket will cover me handsomely in the event of war and pay out instantly with no hassles.”
“If some unscrupulous official can pull some strings to get boots in the ground in the next few days, they stand to win a significant amount of money.”
“they actually made it fair. Odds are only based on how much money each side bets”
“A much bigger problem might be when these markets bet on a meatspace event and then a bunch go out and try to influence innocents”
“they use it because the prices are the most accurate real-time probabilities available anywhere”
“the prices themselves are set by people with money on the line which is a strong incentive to be accurate”
“Polymarket only resolves on actual event outcomes insofar as mainstream journalism accurately and credibly reports on those events”
“It simply makes the incentives and speculation already present in late-stage capitalism more transparent and accessible”
“There's nothing wrong with a prediction market. There are a lot of reasons why they're helpful in judging the probability of future events more accurately than any single analyst”
“Having them all in one place (or two; kalshi and polymarket) makes life much simpler.”
“which is arguably better transparency than you'd get in trad finance”
“Polymarket is effectively an assassination auction list, you just need to find out which low likelihood resolutions can be swayed by someone's death.”
“the finicky rules and untrustworthiness of the Polymarket admins make them much less reliable than a traditional insurance policy”
“Polymarket predicted 94% of the results for the 2024 election a month out”
“Polymarket user David Bensoussan has made $36,000 by betting against Musk's wildly optimistic self drivi”
“Creating 10s of options to answer this question via gambling on Polymarket/Kalshi does not help anyone except their fellow degenerates.”
“probably polymarket is indeed the best one… assuming the market will resolve fairly”
“Polymarket's main innovation was just ignoring the law, but it's overall a good product.”
“validating and advertising Polymarket on national news outlets will have ugly consequences”
“in practice it’s vulnerable to interpretation of ambiguous wording”
“by using insider information about the UMA cryptocurrency whales who will ultimately decide how the market settles, whether or not it matches reality.”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.