# Page Not Found

The URL `protocol-architecture/technical-documentation/solver-docs/building-a-solver-on-symmio/4.-opening-closing-a-position-on-chain` does not exist.

You might be looking for one of these pages:
- [4. Opening/Closing a Position On-Chain](https://docs.symm.io/liquidity-provider-documentation/building-a-solver-on-symmio/4.-opening-closing-a-position-on-chain.md)
- [Closing a Position On-Chain](https://docs.symm.io/trader-documentation/interacting-with-contracts/closing-a-position-on-chain.md)
- [POST Position State](https://docs.symm.io/liquidity-provider-documentation/building-a-solver-on-symmio/5.-creating-the-apis/post-position-state.md)
- [3. Hedging Off-Chain](https://docs.symm.io/liquidity-provider-documentation/building-a-solver-on-symmio/3.-hedging-off-chain.md)
- [GET Notional Cap](https://docs.symm.io/liquidity-provider-documentation/building-a-solver-on-symmio/5.-creating-the-apis/get-notional-cap.md)

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