What is the difference between options flow and dealer gamma?

Options flow is what is being traded right now — which contracts, what size, at the bid or the ask. Dealer gamma is what the people on the other side of those trades are then forced to do to stay hedged, and it determines whether their hedging damps price moves or amplifies them. Flow tells you what happened; gamma tells you how the tape is likely to behave around a level.

Plenty of traders do use both, and they answer different questions. A reasonable order is to start with the free gamma levels, since they cost nothing and change how you read any chart, and add a paid flow platform once you know specifically what you would screen for with it.

Comparison · updated August 2026

Looking for an Unusual Whales alternative?

Q: Is there a free alternative to Unusual Whales?

Partly, and it depends what you use it for. Unusual Whales has its own free tier, though the data is delayed by around 15 minutes. If what you need is dealer positioning — the zero-gamma flip, call wall, put wall and max pain for a ticker — AlgoX Flow's gamma map is free with no account at all. If you need the full real-time options tape, dark pool prints and congressional trading data, there is no free substitute for a paid platform.

Q: How much does Unusual Whales cost?

At the time of writing their premium plan is roughly $50 per month, with a higher Retail Pro tier around $99 per month, plus a genuinely usable free tier with delayed data. Pricing changes, so check their pricing page rather than trusting a number on someone else's site.

Q: What is Unusual Whales best at?

Breadth of data. Real-time options flow across the whole market, dark pool prints, congressional trading disclosures, historical flow, an API and a Discord bot. If you want the raw tape and intend to interpret it yourself, that is what they are built for and they do it well.

Most pages answering this question are written by whoever wants your subscription. This one is written by a company that pays Unusual Whales every month — so here is the version with the conflict declared up front.

Disclosure. We're an Unusual Whales API customer. Some of the flow data on this site comes from their API, and we pay for it. That means two things: we're not neutral, and we're also not going to pretend their product is bad — we'd know better than most, and we'd be lying.

Short answer

They're not really the same product. Unusual Whales sells you the data. We give away the levels and charge for the room where they get traded. If you want the raw options tape to interpret yourself, they're the better buy. If you want to know where dealer hedging flips on a ticker, that's free here and always will be.

What Unusual Whales is genuinely better at

Worth saying plainly, because a comparison that pretends the other product has no strengths isn't a comparison.

Breadth of data. Real-time options flow across the whole market, not a curated slice.
Dark pool prints and congressional trading disclosures. We don't offer either.
Historical flow you can query back through time.
An API and a Discord bot, if you want to build your own tooling on top.
Scale. A large, established user base and a long track record as a data business.

They also have a real free tier — worth knowing, since a lot of "alternative" pages don't mention it. The catch is that free accounts get data on roughly a 15-minute delay, which is fine for learning and not fine for trading. Their paid plan sits around $50/month at the time of writing, with a higher tier near $99. Check their pricing page rather than trusting a number on somebody else's site.

What we do differently

We're not trying to be a cheaper data terminal. The two things we do that they don't:

Dealer positioning, free, no account

Zero-gamma flip, call wall, put wall and max pain for any US optionable ticker. No signup, no email, no API key — type a ticker and it renders. Most tools calling themselves free in this category want an account first.

A public, auditable track record

708 decisive trades, 544 wins, 164 losses — 76.8%, with every loss printed next to every win. A data platform doesn't take positions, so it can't be judged this way. We can, and the log is public.

Side by side

	Unusual Whales	AlgoX Flow
Free tier	Yes — ~15 min delayed	Yes — gamma tools, no account at all
Dealer gamma / flip / walls	Yes, on paid	Free, any ticker
Real-time full options tape	Yes	No — curated sweeps only
Dark pool prints	Yes	No
Congressional trading	Yes	No
Historical flow database	Yes	No
Public API	Yes, paid	Limited, free — docs
Called trades with entry & exit	No — it's a data platform	Yes, posted live
Published win/loss record	n/a	76.8% on 708 decisive
Original research	Occasional	2,422-print earnings study, free CSV
Price	Free tier · ~$50/mo · ~$99/mo	Free tools · $49.99/mo premium

Competitor details accurate to the best of our knowledge in August 2026 and taken from their public pages. If we've got something wrong, tell us and we'll correct it.

Which one should you actually use

Use Unusual Whales if…you want the raw tape and trust yourself to read it. You screen for your own setups, you care about dark pool or congressional data, or you want an API to build on. That's their job and they do it well.

Use our free tools if…what you actually want is a defensible level. Where's the gamma flip on NVDA, where's the call wall, is the index damping moves or amplifying them today. That costs nothing here and it doesn't require an account.

Use our premium if…you don't want to interpret data at all — you want trades called live with an entry and an exit, from someone whose losses are public. That's a different purchase from a data subscription, and honestly it suits a different kind of trader.

Use both if…you're already paying for flow data and just want the gamma read alongside it. Our free tools don't conflict with anything, and plenty of our members keep a data subscription too. We're one of them.

Flow and gamma answer different questions

The reason these aren't straight substitutes is worth understanding on its own.

Options flow is what's being traded right now — which contracts, what size, at the bid or the ask. It tells you what just happened and who was in a hurry.

Dealer gamma is what the people on the other side of those trades are then forced to do to stay hedged. Above the zero-gamma flip that hedging works against the move and damps it; below, it works with the move and amplifies it. It tells you how the tape is likely to behave around a level.

Flow without positioning is a list of prints. Positioning without flow is a map with nothing moving on it. If you're going to have one for free, the map is the one that changes how you read every chart — which is why it's the part we give away. The mechanics are here: what dealer gamma exposure is.

Frequently asked

Is there a free alternative to Unusual Whales?

Partly, depending what you use it for. They have their own free tier, though it's delayed by around 15 minutes. If you specifically want dealer positioning — flip, call wall, put wall, max pain — our gamma map is free with no account. If you need the full real-time tape, dark pool prints or congressional data, there's no free substitute for a paid platform, ours included.

How much does Unusual Whales cost?

Roughly $50/month for premium at the time of writing, about $99 for the higher Retail Pro tier, plus a usable free tier on delayed data. Pricing moves — check their own pricing page.

What is Unusual Whales best at?

Breadth. Real-time flow across the whole market, dark pool, congressional trading, historical data, an API and a Discord bot. If you want raw data and intend to interpret it yourself, that's exactly what they're built for.

Do you compete with them?

Not really, and we're a paying customer of theirs. They sell data. We give away the gamma levels and charge for a room where trades get called with a public record. Plenty of people use both.

What's the catch with your free tools?

There isn't a signup or an email gate — you can use the gamma map forever without giving us anything. The honest catch is that free covers levels and structure, not real-time flow. If you want live called trades that's the paid side, and you can judge it against the public log before paying.

Try the part that's free first

Zero-gamma flip, call wall, put wall and max pain for any ticker. No account, no email, no card — and no reason to take our word for any of it.

Open the free gamma map → See the public record

Educational content from AlgoX Flow · not financial advice · options carry substantial risk of loss. Unusual Whales is a trademark of its respective owner; we are not affiliated beyond being a paying API customer.