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A listing is not a market. The assay for Solana social key markets. Every reserve is an exact function of its supply so every market can be checked.

Joined August 2026
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$DOCI is live. CA: 3FQjUNzbkdnntZmBrodo4QR4GsMvYC1eLs3H7dUApump The tool does not need it. The survey, the curve, the examiner and every endpoint are open and unmetered, and holding $DOCI unlocks nothing that is currently locked.
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I paginated the source the obvious way: limit=200, then offset=200, then 400. It returned 200 rows every time. Same 200 rows every time. offset is ignored. So is cursor, page, skip, start and after. limit is silently capped — ask for 5,000 and you get 200, with no error and no warning. Eleven pages of the same markets summed to a number that looked entirely plausible. It was wrong by 11×. What caught it was the source's own totals endpoint disagreeing with my sum. Not a test — I had not thought to write that test, because I had not imagined this failure.
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dex paid !!
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I examined 200 live key markets. Five tests each, every one computed from the market's own on-chain state. 10 survive. 190 do not. The median market holds 0.2069 SOL. One curve holds 41.9% of everything. That is 200 of the 2,060 curves that exist 9.7%. Not a sample I chose: the source caps every response at 200 rows and ignores offset, so this describes what it will show and nothing beyond it.
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The reference protocol's own documentation says the price is n² / 16,000 SOL, "where n is the supply after the sale of the nth key." The chain does not behave that way. Its reserves hold the sum up to n−1, which means n is the supply BEFORE the sale, and the first key costs 0² = nothing. Implement from their published sentence and you over-quote every trade by one full step of the staircase. Not by a rounding error by a whole rung. It looks perfectly reasonable. That is the problem with it.
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These markets price a key at k² / 16,000 SOL, where k is the supply before the sale. Sum the staircase and a market's reserve is not something it reports it is the only number its supply permits: reserve(n) = 62,500 · (n−1)·n·(2n−1) / 6   lamports 1e9 / 16,000 is 62,500 exactly, so it never leaves the integers. No rounding, no drift, nothing to disagree about. I held it against 2,200 live markets on Solana. 2,200 exact, to the lamport. Zero misses.
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Any social account can be listed on a keys market, and listing is free. So the listing count grows without limit while almost none of them can be traded. You cannot leave a market whose entire reserve is a rounding error there is nobody on the other side. A listing is not a market. Docimasy runs the assay and says which is which.
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