Every term is defined twice: once the way a filing would put it, and once the way somebody would explain it to you across a table. The second one is usually the one that sticks.
Showing 2 terms
The price paid for an option, which rises with expected volatility.
What a VIX spike actually tells you: protection has become expensive. That is a statement about what to trade, not which way.
The total value of option premiums traded, as opposed to the notional value of the contracts.
What Indian exchanges charge options fees on — a far smaller, more meaningful number than notional turnover.