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Add Adrastia Pyth Price Feed Updater and comparison table #460

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18 changes: 15 additions & 3 deletions pages/price-feeds/schedule-price-updates.mdx
Original file line number Diff line number Diff line change
Expand Up @@ -8,10 +8,22 @@ The Pyth Data Association sponsors regular on-chain updates for some price feeds
See [Sponsored Feeds](/price-feeds/sponsored-feeds) for the current list of feeds and their update parameters.
If you would like to see additional feeds on this list, please [contact the association via this form](https://tally.so/r/nGz2jj).

There are also two different tools to schedule price updates:
There are also three different tools to schedule price updates:

- [Adrastia](https://adrastia.io)'s [Pyth Price Feed Updater](https://docs.adrastia.io/automatos/pyth-price-feed-updater) is a white-glove service that automates price updates based on time and price deviations, supporting any EVM chain.
- [Gelato](schedule-price-updates/using-gelato) provides a turnkey automation solution for scheduled updates.
- [Scheduler](schedule-price-updates/using-scheduler) is a service that developers can run to trigger price updates when certain time or price change conditions are met.

For developers comparing these two options, Gelato is simpler, in that it does not require you to operate a service.
However, Scheduler supports more blockchains than Gelato.
For developers comparing these three options, the following table provides a high-level comparison:

| Tool | Setup | Maintenance | Analytics | Redundancy | Supported Chains | Cost Structure |
| --- | --- | --- | --- | --- | --- | --- |
| **Adrastia** | Easiest (Full-service) | None (Full-service) | Detailed stats dashboard and granular uptime tracking | Multiple worker nodes, multiple blockchain RPC endpoints, multiple Pythnet RPC endpoints | Any EVM | Monthly fee per chain |
| **Gelato** | Easy (Self-service) | None (Full-service) | Logs, status, and uptime tracking | Multiple worker nodes, multiple\* blockchain RPC endpoints, singular Pythnet RPC endpoint | 20+ EVM | Monthly fee per chain plus gas premiums |
| **Scheduler** | Moderate (Self-service) | Moderate (Self-service) | None | Limited | Many | Free\** |

\* Gelato has a decentralized set of worker nodes, so it's assumed that multiple blockchain RPC endpoints are used to ensure redundancy.

\** Scheduler is free to use, but requires you to bring your own infrastructure and maintain it.

Note: All tools require you to pay for the gas costs of updating the price feeds on-chain.