Does 80¢ mean it is guaranteed?
No. It means likely, about 4 times in 5. The other 1 in 5 is exactly why there is a market.
Mechanics
How to read a market price
A price in cents is the market's live estimate of a probability, not a promise, not a lock, and not free money just because it is high.
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The short version
Convert price to probability first: a Yes at 68¢ is about a 68% chance. Then check two things the headline number hides, the spread, the gap between Yes and No prices where the house edge and your slippage live, and the movement, where this came from and why. A number sitting still is a different signal than one that just jumped 15 cents.
Why it matters
Beginners read 70¢ as basically happening and 30¢ as no chance. Both are traps. A 70% market loses three times out of ten over a big enough sample; if it did not, it would be priced at 95. Reading the number as uncertainty, not destiny, is the single highest-leverage habit you can build.
Reads that trip people up
- A 60¢ favorite that still resolves No, and was correctly priced
- A longshot that pops on a single headline, then bleeds back
- A market that barely moves through huge news because it was already priced in
What is actually inside the price
Base rateHow often does this kind of thing happen historically? That is your anchor before any news.
New informationA signal should move the price only if it changes the outcome, not just because it is loud.
Spread and liquidityThin books quote wide and lie. A great price you cannot get filled on is not a price.
Resolution wordingEdge cases in the rules can make true odds higher or lower than the headline suggests.
FAQ
Why do prices move when nothing happened?
Order flow, position unwinds, and re-interpretation of old info all move price without fresh news.
Should I just copy the market price as my forecast?
If you have no edge, the market price is a fine estimate. The point of learning is to find the spots where you can beat it.