Option block orders are large, privately negotiated orders. They're executed apart from the public auction market. Block trades were specifically designed for institutions and traders with major financial backing. When you see “Block” orders, you can see that they are coming directly from institutional traders with access to the most advanced stock data.

A sweep is a large option order that has been further segmented into smaller orders which can be filled out quickly on the exchanges compared to if a large order is placed all at once on one exchange where there isn't enough liquidity.

Unusual Options Activity involves option contracts being traded at a much higher volume than their daily average. Large volume on option contracts can indicate that someone is making a bet based on transparent or non-transparent catalysts. You can click the words for a description of each if you ever need a reminder.

Neutral means that the trade didn't have a strong lean towards bearish or bullish so by default neutral is applied in a sense that the stock might move sideways.

This represents a trade of at least a $100k.

Bullish means they are expecting prices to rise over a certain period of time.

A call can be bearish if the call was sold. Bearish means to expect that prices will be falling over a period of time.

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