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Robin distributes yield using a share-based accounting system — similar in design to ERC-4626 vaults — combined with a TWAP oracle that prices each outcome token at deposit time. This combination ensures every staker receives a yield allocation that is strictly proportional to the economic value they contributed, regardless of whether they staked YES or NO tokens or when they entered the vault.

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How Yield Is Distributed

Yield does not flow from a single pool to all stakers uniformly. Robin distributes it across three nested levels to ensure precision and fairness:
  • Per market, by shares — Each market’s contribution to the total deployed USDC determines how much yield that market’s stakers receive in aggregate. A market with more paired USDC deployed earns more of the total vault yield, proportionally.
  • Per market side (YES/NO), by TWAP price — Within a market, yield is split between YES and NO stakers according to the time-weighted average price (TWAP) provided by the Robin TWAP Oracle at the time of deposit. This ensures the side that contributed more economic value — as reflected by market pricing — receives more yield.
  • Per user, via yield indices — Within each market side, Robin tracks each individual staker’s share using internal yield indices. These indices update continuously as capital is deployed and withdrawn, ensuring every user’s entitlement is calculated precisely.

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Continuous Accrual

Yield begins accruing the moment your tokens are part of the earning Robin vault. Robin does not batch yield into periodic distributions. The accounting indexes update continuously as the underlying strategies generate returns. This continuous model means:
  • Each user always receives their mathematically fair share of yield based on time in the vault.
  • Deposits and withdrawals are accounted for precisely at the current share price, so late depositors cannot dilute early stakers and early withdrawals do not disadvantage remaining stakers.
  • You never need to manually claim yield. It is automatically reflected in the value of your shares and returned to you when you withdraw.

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Example

The following example traces two stakers through the full yield cycle to show how shares, TWAP pricing, and yield distribution interact.
1

Alice Deposits YES Tokens

Alice deposits 1,000 YES tokens into the vault.The Robin TWAP Oracle prices YES at $0.60.
2

Bob Deposits NO Tokens

Bob deposits 1,000 NO tokens into the same vault.The Robin TWAP Oracle prices NO at $0.40.Alice now owns 60% of the vault; Bob owns 40% — exactly matching the economic value each contributed.
3

Vault Pairs and Deploys Capital

Robin matches Alice’s 1,000 YES tokens against Bob’s 1,000 NO tokens and merges them via the Polymarket CTF contract into $1,000 USDC. That USDC is deployed immediately into the active yield strategy.The vault is now fully matched and fully deployed.
4

Yield Is Generated

The yield strategy earns $100 in yield.
5

Both Stakers Withdraw

Each staker redeems their shares at the new share price of $1.10.Alice receives her original 600ofvalueplus600 of value plus 60 in yield. Bob receives his original 400plus400 plus 40 in yield. Both earned yield in exact proportion to their economic contribution — 60% and 40% respectively.

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Withdrawal Mechanics

When you withdraw, Robin burns your shares and returns:
  • Your underlying assets (your original outcome tokens, reconstructed from USDC if needed).
  • Your accumulated yield in USDC (or pUSD), reflecting the growth in share value since your deposit.
The entire redemption, including any strategy unwinding and position reconstruction, happens atomically in a single transaction.
You can check your current yield balance and estimated APY for every staked position at any time in the Robin Markets web app at app.robin.markets. No action is needed to claim — yield is automatically credited when you withdraw.