Reddit sentiment is mostly noise for a while now. but... options premiums imply volatility. Lagging indicator would still be useful if it was accurate before

Reddit sentiment is mostly noise for a while now. but... options premiums imply volatility. Lagging indicator would still be useful if it was accurate before the event. After the event, its just lagging history. technical analysis is using historical data to make future predictions. No professional trader would trade anything without looking at price history.