| options | /v1/options | options_derivatives | compositeinstrument | L2mixed7 sources | Multi-source options chain, IV, Greeks, and flow observations. |
| options_alternate | /v1/options/{symbol} | options_derivatives | compositeinstrument | L2mixed7 sources | Multi-source options chain, IV, Greeks, and flow observations. |
| options_alternate | /v1/instruments/{symbol}/options | options_derivatives | compositeinstrument | L2mixed7 sources | Multi-source options chain, IV, Greeks, and flow observations. |
| option_chain | /v1/options/{symbol}/chain | options_derivatives | compositeinstrument | L2mixed6 sources | Full option chains from chain-capable sources. |
| option_summary | /v1/options/{symbol}/summary | options_derivatives | compositeinstrument | L1mixed4 sources | Compact option summaries and source-defined option overview data. |
| option_expirations | /v1/options/{symbol}/expirations | options_derivatives | compositeinstrument | L1mixed2 sources | Available option expiration dates by underlying. |
| options_most_active | /v1/options/most-active | options_derivatives | compositemarket | L1mixed3 sources | Market-wide most-active options observations. |
| options_market_share | /v1/options/market-share | options_derivatives | compositevenue | L1venue_native2 sources | Cboe US options market-share statistics. |
| reg_threshold | /v1/regulatory/threshold | regulatory_market_structure | compositeregulatory_dataset | L1source_of_record2 sources | Threshold securities list observations. |
| dataset_occ_volume_daily | /v1/datasets/occ/volume/daily | options_derivatives | compositeregulatory_dataset | L1source_of_record1 sources | OCC daily cleared contract volume dataset. |
| dataset_occ_open_interest_daily | /v1/datasets/occ/open-interest/daily | options_derivatives | compositeregulatory_dataset | L1source_of_record1 sources | OCC daily open-interest dataset. |
| dataset_occ_options_series | /v1/datasets/occ/options/series/{symbol} | options_derivatives | compositeoption_contract | L1source_of_record1 sources | OCC option series by underlying. |
| dataset_occ_options_deliverables | /v1/datasets/occ/options/deliverables | options_derivatives | compositeregulatory_dataset | L1source_of_record1 sources | OCC equity option deliverables dataset. |