!!! info "[InstrumentSettlementPeriod](/../../schemas/instrument_settlement_period)"
    |Value| Description |
    |-|-|
    |`PERPETUAL` = 1|Instrument settles through perpetual funding cycles|
    |`DAILY` = 2|Instrument settles at an expiry date, marked as a daily instrument|
    |`WEEKLY` = 3|Instrument settles at an expiry date, marked as a weekly instrument|
    |`MONTHLY` = 4|Instrument settles at an expiry date, marked as a monthly instrument|
    |`QUARTERLY` = 5|Instrument settles at an expiry date, marked as a quarterly instrument|