The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets. | Matrix.
>> Fundamental Report Footnotes

The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets. | Matrix.
>> Fundamental Report Footnotes

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). | Matrix.
>> Fundamental Report Footnotes

Count of unique IDs of industry participants. Industry stands for an aggregate view of all equity clearance activity for the date, symbol, and transaction type in question. | Matrix.
>> Fundamental Report Footnotes

Implied Volatility is a leading indicator derived from current market option prices using models like Black-Scholes, reflecting market participants' future expectations. Since it's calculated from option prices, it can also be considered another indicator of option prices.
>> worldquantbrain

Options are contracts within the derivatives market, which give the right, but not the obligation, to buy or sell an underlying security at a specific strike price. Since it's a right and not an obligation, the option holder doesn't have to buy or sell the stock when it expires. The amount paid to have this option is called the option premium, which can be simply understood as the price of the option. Options are good indicators of market participants' psychology and can be useful in exploring Alpha signals. Let's learn some basic knowledge needed to use option data for Alpha exploration.
>> worldquantbrain