Among the S&P 500 index components, significant options trading activity was reported for Southwest Airlines Co (LUV) with 40,826 contracts traded, equating to approximately 4.1 million underlying shares. This volume represents about 50.1% of LUV’s average daily trading of 8.1 million shares over the past month. Notably, the $39.50 strike put option expiring on February 20, 2026, saw 14,267 contracts traded today, accounting for around 1.4 million underlying shares.
F5 Inc (FFIV) also experienced notable options volume, with 5,086 contracts traded—approximately 508,600 underlying shares or 47.2% of its average daily trading volume of 1.1 million shares. The $260 strike call option expiring on February 20, 2026, contributed to this with 1,154 contracts traded.
Citigroup Inc (C) reported the highest options trading volume among the three, with 64,406 contracts exchanged, representing about 6.4 million underlying shares, or 45.2% of its average daily volume of 14.2 million shares. The $105 strike put option expiring February 20, 2026, was most active, with 20,073 contracts traded, equating to approximately 2.0 million underlying shares.
