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{"created_at":"2026-04-21T18:18:22.267 {"created_at":"2026-04-21T18:18:22.267745+00:00","signal_type":"discovery_unusual_volume_delta","source":"discovery_ingestor","url":"https://www.nasdaq.com/articles/notable-tuesday-option-activity-bldr-panw-gpc","value":{"fp":"9e2c414d32a06521","kind":"unusual_volume","published_at":"2026-04-21T18:04:13+00:00","source":"Nasdaq Markets","summary":"Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Builders FirstSource Inc. (Symbol: BLDR), where a total volume of 9,105 contracts has been traded thus far today, a contract volume which is representative of app","tickers":[],"title":"Notable Tuesday Option Activity: BLDR, PANW, GPC","url":"https://www.nasdaq.com/articles/notable-tuesday-option-activity-bldr-panw-gpc"}}... |