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The New Rules of the Game in Options: What Changed in 2026 and How I Adapt

What changed in the options market in 2026: volume records, 0DTE, gamma dealer, the PFOF ban in Europe, tick size and how to adapt your trading.

If you’ve been trading options for a while, let me ask you an uncomfortable question: are you trading today’s market the way it was traded in 2021? Because what has changed isn’t a new indicator or some secret candles. What has changed is the mechanics of the game: who provides the liquidity, where the volume concentrates, how your orders are executed and what it really costs you to trade even if the commission is ridiculous. If you don’t adapt, the usual will happen: perfect analysis and money lost to friction.

An options market bigger and faster than ever

In 2025 all the records were broken. There were days with more than seventy million contracts traded and sessions that topped a hundred million. This isn’t anecdotal: it’s a regime change. The industry is at another level of participation and speed.

More opportunities, but also more noiseThere are more people fighting over every cent, more very short-term strategies and a market where the noise has turned up the volume. If you trade as if liquidity were always stable and the movement were reasonable, you’re going to get more than one surprise.

0DTE: the contracts that have deformed the market

0DTE contracts (zero days to expiration) — options that expire on the same day — have completely deformed the behavior of the indices. And even if you don’t trade them, they affect you. When a huge part of the volume concentrates in such ultra-short expirations, the flows change, the bounces change, the volatility around the strikes changes, and sessions appear with super weird movements, as if the market had magnets.

Gamma dealer: the market’s “magnets”The levels by strikes are congestion zones where the market tends to stick, not because it’s magic, but because that’s where there are more positions and more fighting. It’s called gamma dealer hedging and it explains many of those strange movements you see in indices like SPY or SPX. If you’re trying to swing trade as if nothing were happening, it can eat you.

Routing and microstructure: the cost you don’t see

If options volume rises and so does competition, the real cost of getting in and out becomes more visible: spreads, slippage, execution quality. And here a key point comes in: routing and microstructure.

In the United States, one of the big debates of these years was the idea of forcing more competition in retail execution. The reality is that in 2025 the SEC formally withdrew some of the proposals, including the so-called Order Competition Rule. There wasn’t that great regulatory shift that many expected.

Don’t count on the regulation to save youWhat’s going to save you is your process: using limit orders, choosing liquid underlyings and understanding that the broker and the routing do matter. In ProRealTime with Interactive Brokers you have access to real smart routing, something that makes the difference.

Europe in 2026: the PFOF ban is serious

In Europe, 2026 is the year in which Payment for Order Flow (PFOF) becomes a truly serious topic. There’s already a ban in legal text, with a transitional window that some jurisdictions can extend until June 30, 2026. It’s a direct article of the European framework.

What does this mean for you? All this regulation is pushing brokers and marketplaces to readjust incentives. There has to be more focus on real best execution for the end client. There’s more pressure on single-venue models (a single marketplace) and more importance in knowing where your order is executed and with what hidden costs.

“Zero commission” increasingly comes with fine printIn 2026, the phrase “zero commission” can turn out very expensive because it always comes with spreads and mediocre executions. That’s why brokers like Scalable or Trade Republic come into play — but you have to watch the hidden costs of each transaction very closely.

The clearing house is moving too

People think financial options are simply premiums, deltas, strikes… and forget what’s behind them. There’s clearing, there’s margin, there are rules. The Options Clearing Corporation (OCC) has been updating the assignment and cost frameworks with margins for members. These are things that are hard to find because it’s regulation and legislation, but they affect us: they influence how risk is managed, pricing and liquidity for you as a trader.

When you notice that some strikes suddenly become more expensive than usual, don’t think it’s a conspiracy against you. It’s simply a legal financial structure that lies behind it.

CBOE and binary options: a return of “all or nothing”?

Watch out for retail gamificationCBOE Global Markets is exploring how to offer “all or nothing” options again — binary options — to compete with the boom of prediction markets like Polymarket. This isn’t for you to go crazy trading binaries. I’ve never liked them. But it’s important to understand where retail appetite is heading: products that are easier to understand, faster and potentially much more dangerous, because they’re used like a casino.

The retail side is being gamified. On the other hand, the professional side is becoming increasingly technical and faster. We have to choose which side to be on, and spoiler: the profitable side is usually always the professional one.

Tick size and micro-costs: impact on your options spreads

The SEC adopted reforms to minimum price increments (tick size) for some stocks, aiming for more competition and efficiency. And what does this have to do with options? That many of the stocks we trade are the underlyings of our options. Changes in tick size impact us in the spreads, in the fills and in the execution quality of the strategies that depend on getting in or out well.

How I adapt to all of this

My protocol for 2026


More selective: more liquidity, fewer exotics. If the market is faster, I don’t try to be more impulsive

Always limit orders: no market orders, period

More exit planning: less “I’ll see what happens”. Have the close decided before opening

Don’t argue with the market: if there’s more 0DTE moving the market, observe and use the congestion zones in my favor

Know my broker: know what routing it uses, what marketplaces and what hidden costs each trade has
  • Locate key zones: where the price tends to slow down or accelerate due to a concentration of positions
  • Choose the professional side: discipline, tools and process versus retail gamification
  • Analysis and execution in ProRealTime: charts, options chain, smart routing and market context in one place

Conclusion

The options market of 2026 isn’t the one of 2021. Volume records, 0DTE, gamma dealer hedging, the PFOF ban in Europe, tick size changes and regulatory pressure have changed the rules of the game. It’s not about having more indicators, but about understanding the mechanics behind it and adapting your process. More selectivity, more discipline and more awareness of the real costs. I manage all my analysis and execution from ProRealTime, where I can see the context, measure risks and execute without losing sight of the plan.

Aleix
Written by

Aleix

Self-directed options trader and educator at Campus Opciones. Over 7 years of experience trading stocks, futures and options in the markets.

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