Top of PHLX Options (TOPO) is designed to provide Nasdaq PHLX (PHLX) Best Bid and Offer and last sale information directly to PHLX market participant firms.
Free
< minutely
1
1
Freshness
Recently enriched
Complete
50%
API
API Available
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Expected fields and columns in this data product
Top of PHLX Options - TOPO is an alternative data product offered by , available on nasdaq_data_link. Data is updated < minutely. API access is available for programmatic integration. It is listed as free.
Top of PHLX Options (TOPO) is designed to provide Nasdaq PHLX (PHLX) Best Bid and Offer and last sale information directly to PHLX market participant firms.