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Changelog

July 31, 2025

Market data

  • Added GET /api/v5/public/instrument-tick-bands returning per-price-band tick sizes for options instrument families.
  • The public instruments channel now includes the maxMktSz and maxLmtSz fields inline, removing the need for a separate lookup when validating order sizes.

Deprecation. The GET /api/v5/market/oracle endpoint is deprecated. Use GET /api/v5/market/index-components and GET /api/v5/market/index-tickers for index pricing data.