Reference
Parameters
Every fixed number in a Bell market, and where each one applies.
| Parameter | Value |
|---|
| Collateral | USDC on Solana, 6 decimals |
| USDC mint | EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v |
| UP and DOWN | Solana tokens in whole units, one mint for each side of each band |
| Amounts | Kept in micro-USDC: 1 USDC is 1,000,000 |
| Parameter | Value |
|---|
| Bands per market | Up to 64, contiguous |
| Band width | Set per market; an even number of micro-USDC, so every midpoint is exact |
| End date | Set per market, up to five years after creation |
| Mint fee | Set per market, up to 10%, on the USDC locked when minting |
| Settlement fee | Set per market, up to 10%, on each payout |
| Merge | No fee |
| Parameter | Value |
|---|
| First trade record | Within 60 seconds of the trade, no later than the end date |
| Averaging window | 1,800 seconds (30 minutes) from the first trade |
| Pyth updates | Fully verified by Pyth's receiver, confidence within 1% of price |
| Gap between updates | At most 60 seconds |
| First update | At most 60 seconds before the first trade |
| Midpoints, no listing | After the end date plus 60 seconds without a first trade |
| Midpoints, incomplete average | Seven days after the first trade without a complete window |
| Parameter | Value |
|---|
| Books per band | Two: UP and DOWN |
| Orders per book | Up to 64 bids and 64 asks |
| Order price | Above zero, at most the band's width |
| Priority | Best price, then earliest order |
| Crossing orders | Matched at the price of the order placed first |
| Parameter | Value |
|---|
| Session | One hour from signing in |
| Quote | Holds for 30 seconds |
| Slippage | 0.5%, 1% or 2% |
| Program | 8ojeHFV4BgEXyh8xqABgRnQAeRQW2KeyJgApR6syCThK |