When you buy an option or a share and it fills instantly, you're rarely trading against another retail trader. You're trading against a market maker (or dealer) — a firm whose entire business is providing liquidity: quoting a price to buy and a price to sell, always ready to take the other side.
The spread business, not the direction business
Here's the key misunderstanding to drop: market makers generally don't want a directional bet. They make money on the spread — the small gap between their buy and sell quotes — across enormous volume. Their goal is to stay roughly neutral and collect that edge millions of times, not to guess whether SPY goes up or down. That single fact explains most of their behavior.
Why they hedge
The problem: when a market maker sells you a call, it now has a directional position it didn't want. To neutralize it, the dealer buys or sells the underlying to offset the exposure — delta hedging. As price moves, that hedge has to be adjusted continuously. Multiply this across the whole market and dealer hedging becomes a massive, mechanical flow of buying and selling that has nothing to do with opinion and everything to do with staying neutral.
The biggest, most predictable flow in the market isn't a view. It's a hedge.
How it shapes your trade
That hedging flow is why price sometimes stalls at big option strikes, why it can pin near expiration, and why some days absorb moves while others amplify them. It also shapes your fills: liquidity, spread width, and how price reacts to size are all downstream of what dealers are doing to stay balanced.
The retail myth
It's tempting to believe “they're hunting my stop.” Almost always, they're not — you're not big enough to matter individually. What feels personal is usually just mechanical hedging and liquidity dynamics playing out at scale. Trading gets clearer the moment you stop personalizing the tape and start reading it as flow.
From counterparty to context
Aggregate dealer positioning is measurable — it's the basis of gamma exposure and the gamma flip. NoVo reads that positioning as structural context: knowing the terrain the counterparty creates, then executing inside your defined risk rather than guessing at intentions.