Unlike a pure index, SPY is an ETF that pays a quarterly dividend. That cash payout flows into how its options are priced, and it creates one specific risk worth knowing about — even if it rarely touches a same-day trader.

What the dividend does to prices

An upcoming dividend slightly lowers call values and raises put values, because the stock is expected to drop by roughly the dividend amount on the ex-dividend date. Pricing models bake this in ahead of time, so it's already reflected in the premiums you see — not a surprise, just a small, known adjustment.

The real risk: early assignment on short calls

The sharper edge is early assignment. To capture a dividend, a call holder may exercise the day before the ex-dividend date — which means anyone short an in-the-money call can be assigned early, right before ex-div. If you sell calls or call spreads on SPY, the days around ex-dividend are when to watch a short ITM leg most closely.

The dividend barely moves premiums — it's already priced. The thing to respect is the ex-div early-assignment squeeze on short calls.

Why it barely touches a scalper

If you buy single options and are flat by the close, the dividend is essentially irrelevant to you: you're never short a call over an ex-div date, and same-day pricing already reflects the payout. It matters to spread and premium sellers, not to a long-only 0DTE scalper. Know it exists; file it under “not my problem” unless you start selling calls.