> For the complete documentation index, see [llms.txt](https://docs.megatao.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.megatao.com/trading/contract-specifications.md).

# Contract Specifications

## Network

| Parameter      | Value                                      |
| -------------- | ------------------------------------------ |
| Network        | Bittensor EVM                              |
| Chain ID       | `964`                                      |
| Currency       | TAO (18 decimals)                          |
| Block Explorer | [evm.taostats.io](https://evm.taostats.io) |

## Contracts

| Contract        | Address                                      |
| --------------- | -------------------------------------------- |
| MegaTAO (Proxy) | `0xdA50070976Da21A0E7afaB1BB0c81CD51926AE64` |
| Price Oracle    | `0x446A342221ed83b56fc17eA3e046dd19153beA85` |

## Trading Parameters

| Parameter                     | Value                               |
| ----------------------------- | ----------------------------------- |
| Taker Fee                     | 0.25% of notional                   |
| Maker Fee                     | 0% of notional                      |
| Max Leverage                  | 5x                                  |
| Default Leverage              | 3x                                  |
| Maintenance Margin            | 10%                                 |
| Liquidation Fee               | 5%                                  |
| Liquidation Threshold         | 10% margin ratio                    |
| Partial Liquidation Threshold | 15% margin ratio                    |
| Min Position Size             | 0.0001 TAO notional                 |
| Max Positions Per User        | 50                                  |
| Same-Block Close              | Not allowed (flash loan protection) |
| Collateral                    | Native TAO (18 decimals)            |

## Funding Parameters

| Parameter           | Value                        |
| ------------------- | ---------------------------- |
| Funding Interval    | 8 hours                      |
| Max Funding Rate    | 0.75% per 8h interval        |
| Max Funding Elapsed | 32 hours (4 intervals)       |
| Funding Formula     | `(skew / totalOI) x maxRate` |

## Interest Fee Parameters

| Parameter                 | Value                   |
| ------------------------- | ----------------------- |
| Quadratic Coefficient (A) | 20%                     |
| Base Rate (C)             | 0.01%                   |
| Formula                   | `A x utilization^2 + C` |
| Charged To                | Both longs and shorts   |

## Slippage Parameters

| Parameter                   | Value          |
| --------------------------- | -------------- |
| Default Base Slippage       | 0.1% (10 bps)  |
| Medium Utilization Slippage | 0.15% (15 bps) |
| High Utilization Slippage   | 0.25% (25 bps) |

## Vault Parameters

| Parameter                              | Value                        |
| -------------------------------------- | ---------------------------- |
| Max Exposure Per Asset                 | 50% of total reserves        |
| Max Total Utilization                  | 80%                          |
| Critical Utilization (circuit breaker) | 90%                          |
| Min Withdrawal Reserve                 | 60%                          |
| Default Max Bad Debt                   | 10% of reserves (auto-pause) |

## Supported Markets

| Market    | Subnet | Token Address                                |
| --------- | ------ | -------------------------------------------- |
| CHUTES    | SN64   | `0x0000...0040`                              |
| LIUM      | SN51   | `0x0000...0033`                              |
| RIDGES    | SN62   | `0x0000...003e`                              |
| TARGON    | SN4    | `0x0000...0004`                              |
| VANTA     | SN8    | `0x0000...0008`                              |
| AFFINE    | SN120  | `0x0000...0078`                              |
| TEMPLAR   | SN3    | `0x0000...0003`                              |
| SCORE     | SN44   | `0x0000...002c`                              |
| IOTA      | SN9    | `0x0000...0009`                              |
| GRADIENTS | SN56   | `0x0000...0038`                              |
| HIPPIUS   | SN75   | `0x0000...004b`                              |
| BITMIND   | SN34   | `0x0000...0022`                              |
| MTSOS     | Index  | `0x000000000000000000000000000000000000FFFE` |

## Indexer

| Parameter        | Value                                        |
| ---------------- | -------------------------------------------- |
| GraphQL Endpoint | `https://indexer.futures.bitmind.ai/graphql` |