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

# Columns

Also viewable from helper methods in the [Python](/api/python.md) and [NodeJS](/api/nodejs.md) libraries.

<details>

<summary>Futures</summary>

```
'open_price',
'high_price',
'low_price',
'close_price',
'coin_volume',
'dollar_volume',
'buy_trades',
'sell_trades',
'total_trades',
'buy_coin_volume',
'sell_coin_volume',
'buy_dollar_volume',
'sell_dollar_volume',
'coin_open_interest_high',
'coin_open_interest_low',
'coin_open_interest_close',
'dollar_open_interest_high',
'dollar_open_interest_low',
'dollar_open_interest_close',
'funding_rate',
'funding_rate_avg',
'premium',
'buy_liquidations',
'sell_liquidations',
'buy_liquidations_coin_volume',
'sell_liquidations_coin_volume',
'liquidations_coin_volume',
'buy_liquidations_dollar_volume',
'sell_liquidations_dollar_volume',
'liquidations_dollar_volume' 
```

*All funding rates are normalized to per 8 hours*

*Special case: \`3m\_basis\_ann\` is available for BTC and ETH. To request this data, do not specify products, exchanges, or any additional columns*

</details>

<details>

<summary>Options</summary>

```
'iv_1w',
'iv_1m',
'iv_3m',
'iv_6m',
'skew_1w',
'skew_1m',
'skew_3m',
'skew_6m',
'vega_coins',
'vega_dollars',
'call_delta_coins',
'call_delta_dollars',
'put_delta_coins',
'put_delta_dollars',
'gamma_coins',
'gamma_dollars',
'call_volume',
'call_premium',
'call_notional',
'put_volume',
'put_premium',
'put_notional',
'dollar_volume',
'dvol_open',
'dvol_high',
'dvol_low',
'dvol_close',
'index_price'
```

*See how we calculate options values* [*here*](/web-app/options.md)

</details>

<details>

<summary>Spot</summary>

```
'open_price',
'high_price',
'low_price',
'close_price',
'coin_volume',
'dollar_volume',
'buy_trades',
'sell_trades',
'total_trades',
'buy_coin_volume',
'sell_coin_volume',
'buy_dollar_volume',
'sell_dollar_volume',
```

</details>