[Options Traders Increase Bullish Bets on S&P 500 Index] BlockBeats news, August 8, according to Bloomberg data, traders are heavily buying S&P 500 index call options as market optimism grows. Cboe's skew indicator fell to its lowest level since December 2024 on Friday. Lower skew indicates that the price of call options relative to put options is rising, suggesting increasing demand for bets on further market gains.