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

# Spot markets

Spot is where GPU-hours change hands at their live rate. There are six markets, one for each GPU model, and each trades at the model's price per hour. Everyone on the terminal sees the same book, and every trade moves the price the market reads.

### The six markets

<table data-search="false"><thead><tr><th>Market</th><th>Card</th></tr></thead><tbody><tr><td>A5000</td><td>RTX A5000, 24GB</td></tr><tr><td>A100</td><td>80GB SXM</td></tr><tr><td>H100</td><td>SXM, NVLink</td></tr><tr><td>H200</td><td>141GB SXM</td></tr><tr><td>MI300X</td><td>192GB</td></tr><tr><td>B200</td><td>Blackwell, 180GB</td></tr></tbody></table>

Each market is priced per GPU-hour and tracks the live [GPU-hour index](/inferra-docs/the-ecosystem/the-gpu-hour-index.md), so the price on screen is a real market rate, not a number set by hand.

### Trading

The terminal gives you the order book, a live tape of trades, a price chart, and an order ticket. You buy or sell a number of GPU-hours at the market rate, and the fill and fee are shown before you confirm. The fee is 0.40% per trade.

Markets are long-only: you buy GPU-hours and you can sell what you hold. You cannot sell more than you own, so a position is always backed by real compute.

### From a position to a machine

Buying an A5000 position and holding it is a claim on those GPU-hours. When you want the compute, you redeem the claim for SSH access to a real machine, and the terminal position becomes a running rental. This is the bridge between trading the price of compute and actually using it. See [The escrow program](/inferra-docs/inferra-cloud/the-escrow-program.md) and [The delivery layer](/inferra-docs/inferra-cloud/the-delivery-layer.md).


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