When a stock token trades in an on-chain pool, the pool’s price can be set beside the published quote. Sometimes the pool is above. Sometimes it is below. A gap between them looks like the most interesting number on the row. It is also the easiest one to get wrong, because it is built from two inputs and inherits the faults of both.
The quote has to be tight
The quote side of the comparison is usually a midpoint. A midpoint is only as good as the spread around it. On Sunday 4 October 2026 the AMC token showed a bid of 2.72. Its ask was 11.80. The midpoint of those is 7.26. The stock had closed near 2.80.
Any pool trading near the last close would have looked deeply discounted against that midpoint. There was no discount. There was a bad reference price, which is the case made in a wide quote is not a price.
The pool has to be deep
The pool side can fail just as badly. A pool’s price is the ratio of its reserves after the last trade. If the reserves are thin, one small order can leave the price far from where it started. The size of that effect is explained in slippage and price impact on-chain. A gap built on a shallow pool measures the last order.
The units have to match
Each stock token has a multiplier that adjusts for corporate actions. If one price is per token and the other is per share, they will differ by that factor with no market gap at all. A constant ratio between two prices is a units problem, covered in the stock token multiplier.
The times have to match
A quote read now and a pool trade from hours ago are two different moments. If the stock moved in between, the gap is the stock’s move. Both readings need to be recent, and a pool that has not traded lately has a stale price however deep it is.
When all four hold
A tight quote, a deep pool, matching units and matching times. With those in place a gap is real: on-chain traders are paying more or less than the quoted market. That is a genuine observation about demand in that pool at that moment.
It is still not free money. Closing the gap means trading in the pool, which moves the pool’s price against the trader. It may mean minting or redeeming, on whatever terms the issuer sets. Those costs can be larger than the gap. The reasoning is the same as in tokenized stocks and a tape that closes.
On a weekend the first condition almost never holds, because the quote is wide. A weekend gap is better read against the last tight quote before the close. Then it says how far the pool has moved since Friday. It does not say what the stock will do on Monday.
Where to see it
The Stocks On-Chain tab of the Crypto Market Map shows the pool price against the quote. A token price that is not the live midpoint is marked with an approximately sign, so the reader can see which side of the comparison is soft.