Bullish option flow detected in Rio Tinto (RIO) with 4,796 calls trading, 4x expected, and implied vol increasing over 1 point to 27.81%. Feb-26 85 calls and Mar-26 80 calls are the most active options, with total volume in those strikes near 3,400 contracts. The Put/Call Ratio is 0.19. Earnings are expected on February 19th.
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