Most companies report earnings outside the regular session, after the close or before the open. For decades that meant the reaction happened in thin extended-hours trading and showed up as a gap the next morning. A stock perp on the same name trades straight through the announcement. This article is about the idea, with no example figures, because the idea is the part that carries over from one report to the next.
How an option carries earnings
An options trader knows the routine. Implied volatility rises into the report as the market prices a large move. The report lands. Implied volatility falls, and an option can lose value even when the stock moved the right way. Trading around earnings covers that sequence. The option’s price before the event contains a forecast of the move’s size.
How a perp carries it
A perp has no implied volatility. It has no strike and no expiry. Its value moves in a straight line with the price, before, during and after the report. Nothing is priced in beyond the price itself, and nothing collapses afterwards. A perp held through earnings gains or loses the move, and that is all.
That simplicity cuts both ways. An option buyer’s loss is capped at the premium paid. A leveraged perp has no cap short of liquidation. An earnings move is exactly the kind of sudden jump that reaches a liquidation level, as leverage and liquidation on a stock perp explains.
What the perp shows at the moment
When the report lands, the perp is a live market on the name. Its price in the minutes after is a market price on another venue. It is formed by whoever is trading that perp, on that book, in the depth available at that hour. It sits beside the stock’s own extended-hours trading and can differ from it.
The next regular session is a much deeper market. It can agree with the perp or correct it. The perp’s reaction is a reading of what one set of traders did with the news.
What to watch into the event
Three fields are worth reading before a report. Open interest shows whether positions are being built on the perp. Funding shows which side is paying to hold them. The premium shows which side is paying up right now. Each needs its own past to compare against, and these markets are young.
Whether open interest on a name tends to build into earnings is a question that only a long record can answer. NoVo’s collector has recorded open interest, funding and premium on every stock perp since 4 October 2026, so that record is being written.
The index effect
A large company’s report can move the whole index, the subject of NVDA earnings and SPY. With perps on both the company and the index trading at that hour, the two can be read side by side. The Perps & Futures tab on Trader shows the mega-cap perps beside the index perps.