How do you place a YES or NO order on a prediction market?

Short answer

To place a YES or NO order on a prediction market, you find a question you want to trade, select the outcome you believe will happen (YES or NO), enter the number of shares or dollar amount you want to risk, review the price and potential payout, and submit the order. The price you pay per share reflects the market's current probability estimate for that outcome.

What to know

Prediction markets let participants trade on the outcomes of real-world events. Each market is structured around a binary question with a YES outcome and a NO outcome. Shares in the winning outcome pay out a fixed amount at resolution, while shares in the losing outcome expire worthless. The current share price, expressed as a value between zero and one dollar, represents the crowd's implied probability that the outcome will occur.

When you choose YES, you are buying shares that pay off if the event happens. When you choose NO, you are buying shares that pay off if the event does not happen. You are not directly betting against another person in a traditional sense; you are trading with whoever is on the other side of the order book at that moment, which could be another participant or liquidity provided by market makers.

The size of your order determines how many shares you purchase and therefore how much you stand to gain or lose. Most platforms allow you to enter either a share count or a total dollar amount and will calculate the other figure automatically. The price you see may shift slightly between when you review the order and when it executes, depending on market liquidity and order type.

Key points

• YES shares pay out if the event resolves true; NO shares pay out if it resolves false
• Share prices move between zero and one and reflect the collective probability estimate of all traders
• You can typically choose between a market order, which executes immediately at the best available price, and a limit order, which only executes if the price reaches your specified level
• The potential payout is the difference between the price you paid and the full payout value, multiplied by the number of shares
• Orders can sometimes be canceled before they are matched, depending on the platform and order type
• Positions can often be sold before the market resolves, allowing you to exit early at the current market price

Steps

1. Find a market that covers the question or event you want to trade on, and read the resolution criteria carefully to understand exactly what condition determines YES or NO
2. Review the current YES and NO prices to understand what probability the market is currently pricing in for each outcome
3. Select YES if you think the event is more likely to happen than the current price suggests, or NO if you think it is less likely to happen
4. Enter the size of your position, either as a number of shares or as a total amount to spend, and confirm that the platform shows you the expected cost and potential return
5. Choose your order type, typically market order for immediate execution or limit order if you want to wait for a specific price
6. Review the order summary, including the price per share, total cost, and maximum payout, before confirming
7. Submit the order and check your open positions to verify it was filled

How it compares

• Polls ask for opinions but involve no financial stake and do not update in real time as new information arrives
• Traditional sports betting fixes odds at the time you place a wager, whereas prediction market prices move continuously as traders react to new information
• Stock markets trade fractional ownership of companies, while prediction markets trade on the probability of a specific event resolving in a defined way
• Limit orders on prediction markets work similarly to limit orders on stock exchanges: you set a price and wait for a counterparty to match it

FAQ

What happens if my order is not filled right away?

If you place a limit order at a price that no one is currently willing to match, it will sit in the order book until another trader accepts your price or until you cancel it. Market orders are designed to fill immediately using whatever liquidity is available.

Can I sell my position before the market resolves?

Yes, on most platforms you can sell your shares at any time before resolution, as long as there is a buyer willing to pay the current market price. This lets you lock in a gain or cut a loss without waiting for the outcome.

What does it mean when a share price is very low or very high?

A price close to zero means the market collectively considers that outcome very unlikely. A price close to one dollar means the market considers it very likely. Neither price is guaranteed to be correct, and prices can move significantly as new information becomes available.

What is the difference between a market order and a limit order?

A market order executes immediately at the best available price in the order book. A limit order only executes if the price reaches a level you specify, giving you more control over the price but no guarantee of execution.

How is the payout calculated?

If you buy YES shares at a certain price per share and the market resolves YES, each share pays out one full unit of the settlement currency. Your profit per share is the difference between that payout and what you paid. If the market resolves against you, the shares expire at zero.

Are there fees involved?

Most platforms charge some form of trading fee or spread, which affects your effective entry price and net payout. The specific fee structure varies by platform, so it is worth reviewing the fee schedule before placing any order.