Bitcoin hits $150k before Dec — $84,200 WITH — $31,400 AGAINST Fed holds rates in September — $22,800 WITH — $67,100 AGAINST England reach the final — $9,400 WITH — $44,200 AGAINST S&P 500 ends year above 6000 — $118,000 WITH — $54,300 AGAINST Tesla below $200 by Q4 — $7,200 WITH — $29,800 AGAINST Bitcoin hits $150k before Dec — $84,200 WITH — $31,400 AGAINST Fed holds rates in September — $22,800 WITH — $67,100 AGAINST England reach the final — $9,400 WITH — $44,200 AGAINST S&P 500 ends year above 6000 — $118,000 WITH — $54,300 AGAINST Tesla below $200 by Q4 — $7,200 WITH — $29,800 AGAINST
Conviction market — launching soon

WITH AGAINST

A market that rewards conviction, not trading.

Post a claim. Fill both sides. Hold until reality decides. The correct side shares everything the other side put in.

Both sides must fill before the pool activates. If either side misses — everyone gets refunded.

Prediction markets let you trade opinions. WithAgainst makes you live with them.

2
Sides. Always.
0
Exits before expiry
1
Thing that settles it
Try it — no money, no signup

Feel how it
actually works

Pick a claim. Choose your side. Watch both sides fill toward the target. If both hit — the pool activates and reality settles it. If one side misses — everyone gets refunded. The whole mechanic in 30 seconds.

Early core participants on large pools have walked away with 10x their commitment. Nobody knew that when they committed. That is the point.

Claims people are making right now
Will oil hit $100 again?
Ronaldo scores 50 goals this season
China invades Taiwan before 2030
Next Oscar best picture goes to AI film
Next Pope is African
01Pick Claim
02Take Position
03Pool Fills
04Resolution
Active claim
Current pool status
WITH
0 / 20
Core slots remaining
AGAINST
0 / 20
Core slots remaining
Your commitment
Simulation only — no real money involved
WITH / AGAINST
30
To resolution
Your position
Waiting for both sides to fill 0%
WITH
0 / 20
Filling core...
AGAINST
0 / 20
Filling core...
WITH pool total
$0
AGAINST pool total
$0
Live entries
✓
You Called It.
Your commitment
$50
Your pool share
—
Total received
$0
Simulation only. No real money. Platform not yet live.
What you need to understand
Both Sides Must Fill
The pool has a target — a minimum number of entries required per side. Both sides must hit their target before the event resolves or the pool cancels entirely. Both sides must hit the minimum target before the pool settles. After that the pool grows however it grows — a large imbalance means a large return for the correct side.
You Need Your Opponents
If your side fills but the other side is slow, you are financially motivated to recruit people who disagree with you. Share the pool with doubters. Argue your position. You need the opposing side to fill as much as you need your own. This is the only market where that is true.
Core Gets The Boost
Enter while your side still has core slots and you get the best share of the distribution if you win. Once the target is hit, extra slots open — still worth joining but with a smaller proportional return. Early conviction is always rewarded over late participation.
No Exits Before Resolution
Once your capital is committed it stays locked until the event resolves. You can enter the opposing side to manage exposure — but both positions lock. There is no withdrawal, no escape, no changing your mind. Only the outcome.
Cancellation Is Protection
If either side misses its target by resolution time, the pool cancels automatically. Full refund to everyone. No fee. No settlement. A pool that could not attract genuine two-sided conviction was not worth settling. Your capital is always protected from dead pools.
Your Return Is Proportional
If your side wins, the entire opposing pool is distributed to your side after the platform fee. Your share is proportional to your commitment relative to your side's total. Bigger commitment, bigger share. The math is transparent and shown at settlement. No surprises.
How money flows
Both sides hit target. The claim resolves. Here is exactly what happens next.
WITH — Core
$2,400
20 core entries
AGAINST — Core
$2,000
20 core entries
WITH — Extra
$180
3 overflow entries
AGAINST — Extra
$300
5 overflow entries
Claim resolves — WITH wins
↓
Total pool
$4,880
Platform fee (6%)
− $293
Distributed to WITH side
$4,587
Example — core WITH participant with heavy opposing extras
The 20% Core Boost
20% of every opposing extra flows directly to core participants as a bonus on top of their core share. The more opponents join after activation, the richer core participants become. The pool never goes quiet.
Commitment
$120
Pool share
5%
of WITH core
Received
$335
$215 profit
Core participants share the bulk of the opposing pool proportionally by commitment amount. Extra participants share the overflow. The wrong side receives nothing — their capital funded the distribution entirely.
Why this exists
You have opinions. Strong ones. You make predictions constantly — about markets, sport, politics, the world.

But it costs you nothing to be wrong.

So nobody knows how much you actually believe any of it. Including you.

No promises. No exits. No excuses.
Just conviction — and the cost of being wrong.
About this platform
WithAgainst is a conviction market — a two-sided pool where participants take positions on binary claims and hold them until a verifiable real-world outcome settles the result. Both sides must hit a minimum entry target before the pool activates for settlement. It is not a sportsbook. It is not a derivatives exchange. It sits in a new category that existing regulation does not yet cleanly define, which is why we are working with legal counsel across multiple jurisdictions before launch.
Every pool has a minimum number of entries required per side — set by the claim poster within platform-defined limits. This ensures the pool is worth settling before resolution triggers. Core entries fill the target and receive the best distribution structure. Extra entries are overflow — still accepted, still participate, but with a smaller proportional return if the right side wins.
If either side has not reached its core target by the time the event resolves, the pool cancels automatically. Every participant on both sides receives a full refund. No platform fee is taken. No settlement occurs. A pool that could not attract genuine two-sided conviction was not worth settling.
Every claim must be tied to a verifiable data source at the time of posting — a sports result API, a financial data feed, an official election result. When the event resolves, the outcome is pulled automatically and applied to the pool. The correct side receives the entire opposing pool distributed proportionally by commitment after the 6% platform fee. The calculation is shown transparently at settlement.
No position can be withdrawn once entered. You can enter the opposing side to attempt to manage your exposure — but this creates a second locked position, not a guaranteed neutral outcome. Both positions stay locked until resolution or cancellation. If the pool cancels, both positions are refunded in full.
The platform takes 6% of the total resolved pool — only on pools that successfully activate and settle. Cancelled pools generate no fee. This directly aligns our interests with pool quality — we only earn when both sides fill and the pool delivers a real experience for participants.
We are currently assessing the regulatory landscape across the UK, EU, US, and other markets. We will launch only in jurisdictions where we have determined a clear and compliant operating path. The waitlist does not commit you to anything — it simply registers your interest.
Join the waitlist

With us
or not?

2,841
On the waitlist
$214k
Simulated volume
847
Claims created

Get early access when we launch. First entry into the first real conviction markets on the platform.

Noted. We'll be in touch before launch.

No spam. One email when we launch. That's it.

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