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

# Spot Market

SPOT is the auction side of the Clore.ai marketplace. Instead of paying the listed on-demand price, you place a **bid**: your own price per day for a server. While your offer is the winning one, the server runs your workload and you are billed per minute at your bid. It is the cheapest way to rent, in exchange for the risk of being interrupted.

|                  |                                                                                             |
| ---------------- | ------------------------------------------------------------------------------------------- |
| **Pricing**      | Your bid, at or above the host's minimum spot price                                         |
| **Billing**      | Per minute, at your bid price, only while your offer holds the server                       |
| **Interruption** | Another renter can outbid you at any time; an on-demand rental also takes the server        |
| **Base fee**     | 2.5% (vs 10% on-demand), reducible by up to 50% with [PoH](/proof-of-holding/overview.md)   |
| **Scope**        | Whole servers only ([partial rental](/for-renters/partial-gpu-rental.md) is on-demand only) |

## How Bidding Works

1. Pick a server on the marketplace and press **Rent**. Go through the usual steps (image, configuration), and at the **Confirm & pay** step switch to **Rent on spot**.
2. Enter your bid: any price per day at or above the host's minimum spot price. If it beats the current winning offer, your order starts.
3. While your offer holds the server, you are billed per minute at your bid. If someone outbids you, your order ends with the **Outbid** status and billing stops immediately.
4. Your offer competes with others on the same server. You can check the queue and manage bids from **My Orders**.

### Managing Your Bid

* **Raising** your bid is unrestricted: do it any time to defend the server.
* **Lowering** is rate-limited to protect hosts: at most once every 10 minutes, by a limited step per move, and never below the host's minimum spot price.

{% hint style="info" %}
Spot orders cannot be extended and can end at any moment. Checkpoint your work: save intermediate results to persistent storage or externally, so an interruption costs you minutes, not hours.
{% endhint %}

## What Runs Well on Spot

* Cryptocurrency mining and other restartable compute
* Batch processing and render queues with checkpoints
* Hyperparameter sweeps and experiments
* Anything fault-tolerant where price matters more than uptime

Not sure whether you need Spot or On-Demand? See the side-by-side guide:

{% content-ref url="/pages/E7V0uUw9wjm5QB2hYGx2" %}
[On-Demand vs Spot](/for-renters/on-demand-vs-spot.md)
{% endcontent-ref %}

## For Hosts

You set the **minimum spot price** per server (or per GPU, with optional USD-based auto-recalculation) in your server settings. Spot keeps your hardware earning between on-demand rentals: an on-demand order always takes priority and replaces the active spot order.

{% content-ref url="/pages/BP9ytpSVPwfichcYVOR0" %}
[Server Management](/for-hosts/server-settings.md)
{% endcontent-ref %}

## Automation

Spot is fully scriptable through the public API: `create_order` with `"type": "spot"` and `spotprice`, `spot_marketplace` to read the offer queue for a server, and `set_spot_price` to manage your bid. The [Python SDK and CLI](/developers/python-sdk.md) cover the same operations.

{% content-ref url="/pages/VsUJqQ2pg4ZUv2TbJaMy" %}
[API](/for-hosts/api.md)
{% endcontent-ref %}


---

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