대형 투자자들의 움직임을 통해 트레이더들은 다음 큰 투자 기회를 발견할 수 있다. 대형 투자자(웨일)는 거액의 자금을 운용하는 주체를 말하며, 벤징가에서는 옵션 활동 스캐너를 통해 이들의 거래를 추적하고 있다. 트레이더들은 옵션의 시장 가격이 정상 가치에서 크게 벗어난 상황을 찾는다. 대량 거래는 옵션 가격을 과도하게 높이거나 낮출 수 있다. 다음은 헬스케어 섹터에서 발생한 옵션 활동의 일부 사례다: 종목콜/풋거래 유형투자 심리만기일행사가총 거래 금액미결제약정거래량TEVA콜매매강세2024/12/20$17.00$167.5K17.1K2.9KUNH풋매매중립2024/12/20$500.00$29.9K1.3K2.2KCVS풋스윕약세2024/12/20$50.00$54.7K6.6K1.8KCI콜매매약세2027/01/15$180.00$292.5K6.2K1.6KVRDN콜매매약세2024/12/20$22.50$27.0K458599MCK풋스윕약세2024/12/20$580.00$57.1K475250PRAX콜매매강세20....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................