New "ppind" field on the option contract schema

The OptionContract schema now documents ppind (Penny Program Indicator), a required boolean returned on option contract responses. true means the contract is eligible for penny price increments under the Penny Program; false means it is not.

Broker API

• GET /v1/options/contracts
• GET /v1/options/contracts/{symbol_or_id}

Trading API

• GET /v2/options/contracts
• GET /v2/options/contracts/{symbol_or_id}