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Markets are only worth trading if you trust the result. On Morfi, the outcome isn’t called by a referee or an admin — the market decides it itself, from where the money actually sits across the outcomes. That design quietly closes the door on the usual ways someone might try to rig a result. Here’s how.

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What protects the result

No one picks the winner

There’s no referee, no outside data feed, and no admin button. The result comes straight from where the crowd’s money landed, so there’s nobody to bribe, lobby, or override.

Market share is measured over time

An outcome only wins by holding a dominant share of the money — and a big trade’s effect on that share is applied gradually, over time, not all at once. When someone drops $100k on one side, its market share climbs toward the new level instead of jumping there, which leaves the other outcomes room to buy in and catch up. That’s what stops a whale from spiking a single outcome straight to the finish line: a winning lead has to be built and held, not bought in a moment.

Dumping a losing side is penalised

Once one outcome is closing in on the win, selling out of the other sides carries a heavy penalty fee. That deliberately discourages bailing on your position at the last minute to chase the leader, and rewards holding the outcome you genuinely believe in.

Pushing a price gets expensive fast

The more of one outcome you buy, the more each additional dollar costs. Forcing a lead bleeds money the whole way up — and part of every trade you make flows into the prize pool everyone else is competing for.

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Common worries

You can buy in — but it’s a bad trade, not a free win. By the time an outcome is clearly ahead, its price is already near its peak, so you’re paying top dollar. The prize pool is split in proportion to how much of the winning side you hold, so to capture a meaningful slice you’d have to buy a huge amount, at that peak price, diluting yourself far more than the pool is worth. And because share is read over time, a last-moment buy can fade before the market ever locks in. Buying early, while the result is still genuinely uncertain, is the only way to do well — and that means taking real risk.
A large buy lifts an outcome’s share for a moment, but the market only treats a lead as real once it’s held. The share fades if it isn’t maintained, so a whale would have to keep buying — at ever-higher prices — and any attempt to sell down the rival sides is taxed by the penalty fee. The cost climbs far faster than any prize they could take back out.
No. Resolution is final and happens on-chain. Once a market agrees on a winner, the losing sides close and the result is locked — there’s no re-running it and no admin who can undo it.
These protections stop the result from being gamed — they don’t stop the price from moving. Backing a side early is genuine risk, by design, and thinly-traded markets can still swing on a few large buys. Trade with that in mind.

How a market resolves

The market agrees on a winner by itself — no referee, no outside source.

How prices work

Why pushing a price gets more expensive the harder you push.

Prize pool & claims

Where the prize pool comes from and how the winning side splits it.

Safety & risk

What to keep in mind before you trade.