Where fisheries are managed by individual transferable quota, two things trade: the permanent share of the catch limit, and the annual entitlement it generates each season. Most activity is in the annual leases, and most of it is arranged by processors who are also the buyers of the fish that quota will catch. A vessel owner negotiating both sides against the same counterparty has no reference for either.
Individual transferable quota did what it was designed to do: it ended the race to fish and rebuilt stocks in a number of fisheries. The market that carries it has never been built out, and the gap is felt hardest by the smallest operators.
Processors hold quota, lease it to vessels, and buy the landed fish. Each of those is legitimate; together they mean the party setting your input cost also sets your output price, and neither number is published. A vessel owner cannot tell where the margin went.
Two vessels in the same port can lease the same species at materially different rates in the same week. There is no reference, so the outcome depends on relationship and negotiating strength rather than on the value of the fish.
Catch must be covered by entitlement by the close of the fishing year. In the final weeks, vessels that have overcaught must acquire quota from whoever has it, in a market that is thin precisely when it is most needed, and the price reflects the desperation rather than the resource.
Landing more than your entitlement is a compliance matter with real sanctions. A vessel that cannot find quota in time faces a penalty rather than a price, which is a bad way to allocate a scarce resource and a reliable way to push activity out of sight.
The management system is already an instrument with a registry behind it. What is missing is a place where its price forms in public, and a mechanism that handles the seasonal shape of demand.
A defined book per species per management area per year, with the permanent share and the annual entitlement as separate instruments rather than as two meanings of one word. Prices for each stop being conflated in reporting and in negotiation.
When the lease clears in public, a vessel owner negotiating a landing price with a processor knows what the quota component is worth. The processor keeps every legitimate part of its business and loses only the informational advantage of being the sole quote on both sides.
Scheduled auctions through the season for planning, then continuous trading in the closing weeks when balancing demand arrives. The engine runs both, configured per instrument, so the market is calm when the fishery is calm and liquid when it is not.
Limits on how much quota any one entity may hold are a core policy commitment in most ITQ systems, and the thing critics watch hardest. As pre-trade position limits they bind at entry, with rejections naming the cap, rather than being audited after concentration has already happened.
A vessel that has overcaught can see exactly what covering it costs and act on it. That is a better outcome for the fishery than a sanction, and a far better one than the alternative of not reporting the catch.
A venue a small vessel operator can use, sessions that follow the fishing year, and the position limits that make a quota market politically defensible.
| Setting | Typical starting point |
|---|---|
| Instrument | Species × management area × fishing year; shares and annual entitlement separately |
| Lot size | One kilogram or one tonne, by species convention |
| Sessions | Scheduled calls through the season; continuous in the closing weeks |
| Validity | DAY and GTD, so an offer rests across several auctions |
| Limits | Aggregation caps per entity, enforced pre-trade |
| Members | Vessel owners, processors and agents under a Firm / Node / User hierarchy |
| Settlement | Netted cash; entitlement transfer effected in the quota registry |
Scheduled call auctions through the season with per-day overrides, switching to continuous trading in the closing weeks when balancing demand concentrates.
Read more →04 · coreOpen-position limits per participant implementing aggregation caps, evaluated before an order reaches the book at clearing-member, firm and client level.
Read more →03 · channelA bundled Client Trading Front-End so a vessel owner or a small agent participates from a browser, with credentials bound to their firm and no software to install.
Read more →05 · post-tradeNetting per participant and settlement date, fees per trade, and enriched trade-capture records to drive the quota registry transfer.
Read more →The quota only means something because a regulator counts fish. Everything that does that counting, and everything that enforces it, is outside the venue and is what the market's value rests on.
Holdings and transfers live in a fisheries registry, and a transfer is an administrative act with eligibility criteria. Mehrex emits trade-capture records describing what was traded; the integration that turns those into approved registry transfers, and keeps positions reconciled, is a system you build and operate.
Observers, electronic monitoring, landing declarations and dockside verification. An entitlement is worth exactly as much as the certainty that catch is counted against it. Where monitoring is weak, a liquid quota market prices a right that some participants ignore.
Mehrex enforces the caps you configure. Deciding what they should be — per species, per entity, with what treatment of related parties and beneficial ownership — is fisheries policy, and it is the question critics of quota systems press hardest.
Many ITQ systems reserve quota for coastal communities or small operators, precisely because a pure market concentrates holdings. Those carve-outs are eligibility and entitlement rules that live upstream of trading, and they need designing before a venue makes trading easier.
The participants are vessel owners and skippers with intermittent connectivity, limited time ashore and no interest in a trading screen. Support, training and an interface that tolerates a bad link are field operations that decide whether the market is used.
Payment rails, and credit for a vessel that must lease quota before the catch that pays for it is landed. Netting reduces the number of payments; funding them across a season is a financing arrangement someone has to provide.
Yes, as pre-trade open-position limits per participant, evaluated at clearing-member, firm and client level before an order reaches the book. An order that would take a holder past its cap is rejected and the rejection names the limit and the scope that tripped. Setting the caps, and defining related-party treatment, remains fisheries policy.
No — they are separate instruments with separate books and separate prices, which is one of the main things a venue fixes. Conflating a perpetual share with one season's volume makes reported prices meaningless; separating them lets each be valued for what it is.
It becomes visible and priced. Continuous trading in the closing weeks lets a vessel that has overcaught see the real cost of covering it and act, rather than facing a penalty. That is better for compliance as well as for the operator, since the alternative to an expensive trade is often an unreported landing.
Entitlements and seasonal allocations — traded through brokers, priced after the fact, and politically contested.
Read the page →Precious metalsAn app that sells sub-gram quantities of gold to retail buyers, run as a real order book instead of a dealer’s quote.
Read the page →Energy & environmentalEnergy-saving certificates, RECs, guarantees of origin and carbon credits — instruments defined by paper, priced today by survey.
Read the page →A live demonstration runs about an hour: the order book, the Control Panel, an auction uncrossing, and a replay of the journal that produced it.