Comma separated values to query for more than one attribute. Assets which have any of the given attributes will be included.

Supported values:

• ptp_no_exception: Asset is a Publicly Traded Partnership (PTP) without a qualified notice; non-U.S. customers may incur 10% withholding on gross proceeds as per IRS guidance, and are blocked from being purchased by default.
• ptp_with_exception: Users can open positions in these PTPs without general restrictions.
• ipo: Accepting limit orders only before the stock begins trading on the secondary market.
• has_options: The underlying equity has listed options available on the platform. Note: if the equity had inactive/expired contracts in the past, this will still show up.
• options_late_close: Indicates the underlying asset's options contracts close at 4:15pm ET instead of the standard 4:00pm ET.
• fractional_eh_enabled: Indicates the asset accepts fractional orders during extended hours sessions (pre-market, post-market, and overnight if enabled).
• overnight_tradable: Asset is eligible for overnight (24x5) trading in supported venues on the platform.
• overnight_halted: Asset is eligible for overnight trading but is currently halted/blocked for overnight sessions due to risk, corporate action, compliance, or venue constraints.