Financial giants have made a conspicuous bearish move on Rio Tinto. Our analysis of options history for Rio Tinto (NYSE:RIO) revealed 13 unusual trades.Delving into the details, we found 23% of traders were bullish, while 61% showed bearish tendencies. Out of all the trades we spotted, 7 were puts, with a value of $311,986, and 6 were calls, valued at$734,080.Predicted Price RangeTaking into account the Volume and Open Interest on these contracts, it appears that whales have been targeting a price range fr ...