Friday, option trade expiration day

Today, Friday, 241011. Option trade matured date. My guess, option traders might play a significant part in today's trading, especially those 2 floor traders (pro traders).

Bearish trade, 25.31 K lots, overall ( bearish floor trade : 23 K lots)

Bullish trade, 37.15 K lots, overall (bullish floor trade : 15.13 K lots)