Group 1 - Investors in TIM S.A. (TIMB) should monitor the stock due to significant movements in the options market, particularly the Nov. 21, 2025 $15 Put, which has high implied volatility [1] - Implied volatility indicates the market's expectation of future price movement, suggesting that investors anticipate a significant change in TIM shares, possibly due to an upcoming event [2] - TIM currently holds a Zacks Rank 3 (Hold) in the Wireless Non-US industry, which is in the bottom 33% of the Zacks Industry Rank, with no analysts increasing earnings estimates for the current quarter [3] Group 2 - The high implied volatility for TIM could indicate a developing trading opportunity, as options traders often seek to sell premium on such options to capture decay [4]