!!! info "[MiniTicker](/../../schemas/mini_ticker)"
    |Name<br>`Lite`|Type|Required<br>`Default`| Description |
    |-|-|-|-|
    |event_time<br>`et` |string|False<br>`None`|Time at which the event was emitted in unix nanoseconds|
    |instrument<br>`i` |string|False<br>`None`|The readable instrument name:<ul><li>Perpetual: `ETH_USDT_Perp`</li><li>Future: `BTC_USDT_Fut_20Oct23`</li><li>Call: `ETH_USDT_Call_20Oct23_2800`</li><li>Put: `ETH_USDT_Put_20Oct23_2800`</li></ul>|
    |mark_price<br>`mp` |string|False<br>`None`|The mark price of the instrument, expressed in `9` decimals|
    |index_price<br>`ip` |string|False<br>`None`|The index price of the instrument, expressed in `9` decimals|
    |last_price<br>`lp` |string|False<br>`None`|The last traded price of the instrument (also close price), expressed in `9` decimals|
    |last_size<br>`ls` |string|False<br>`None`|The number of assets traded in the last trade, expressed in base asset decimal units|
    |mid_price<br>`mp1` |string|False<br>`None`|The mid price of the instrument, expressed in `9` decimals|
    |best_bid_price<br>`bb` |string|False<br>`None`|The best bid price of the instrument, expressed in `9` decimals|
    |best_bid_size<br>`bb1` |string|False<br>`None`|The number of assets offered on the best bid price of the instrument, expressed in base asset decimal units|
    |best_ask_price<br>`ba` |string|False<br>`None`|The best ask price of the instrument, expressed in `9` decimals|
    |best_ask_size<br>`ba1` |string|False<br>`None`|The number of assets offered on the best ask price of the instrument, expressed in base asset decimal units|