ETF overlap

GET/v1/funds/{symbol}/overlap/{other}Promised whole

Shared holdings and overlapping weight between two funds.

Parameters

symbolpathrequired
Ticker symbol, case-insensitive.
otherpathrequired
The second fund to compare against.

Response contract

Every field in the response is part of the contract.

Response fields

The top level keys a live response actually returned, read off the API rather than written down here.

etf_aetf_boverlap_countoverlap_weight_aoverlap_weight_bshared_holdings

How this was verified

Called against 2 different subjects on the live API. Every field it returned, at every level, was compared with the contract above. Last checked August 18, 2026.

Request

curl "https://api.massari.ai/v1/funds/SPY/overlap/QQQ" \
  -H "Authorization: Bearer $MASSARI_TOKEN"