strikeaboxCall the next move.

Tap a box on a live Strike price chart: a price band in a ten-second window. Practise free with credits, or open a real bracket position on Strike.Practice on Strike mainnet pricesLive trades on Strike testnet, no real fundsPractice credits have no cash value

Open the app

Start here

GitHub

Practice

Tap with free practice credits. Touch the box in its window and you get a fixed multiplier; miss and the stake is gone; not enough evidence and you get it back. No wallet.

Start practising

Live on Strike

Tap to open a real perpetual position on Strike (testnet on the hosted app, with no real funds), with a target at your box, a protective stop and a time exit. The board switches to that network's own prices and order book. Real fills, real fees, no fixed payout.

How live taps work

Settled from evidence

Every practice result comes from recorded Strike mark prices. Each settled box has a receipt and a public replay you can check.

The outcome rules

Transparent odds

Every box shows its multiplier, rounded down, and its chance (90 % ÷ the multiplier) is one hover, press or setting away. The house edge is 10 %. Modelling assumptions are marked as such, and the prices are checked against recorded Strike prices with the results published.

Multipliers and the model

Play together

Rooms with real presence, leaderboards from settled boxes, timed battles of one to ten minutes and referrals.

Social features

For developers

Architecture, the exact Strike APIs used, local setup, tests, deployment and the security model.

Developer docs

Practice and Live

The grid is shared. What a tap means is not, and the market behind it can differ too.

	Practice	Live
What a tap does	Places a prediction on a price box, decided by the server	Opens a real perpetual position on Strike, with a take-profit at the box and a protective stop
Market on the board	The deployment's data network. On the hosted app: Strike mainnet's public prices and order book, labelled "Strike mainnet prices"	The network Live orders execute on, with its own prices and order book. On the hosted app: Strike testnet, labelled "Live · testnet"
What you use	Practice credits: no cash value, not redeemable	Collateral in your Strike account: testnet USD on the hosted app, with no real value
Result	Fixed multiplier if the box is touched, else the stake is lost; void means refund	Real fills, real fees and real P&L from Strike. No fixed payout
Wallet	Not needed	Needed: Strike Builder Connect
Decided by	Strike mark price stream recorded by strikeabox	Strike's matching engine fills and your account stream

How to read these docs

Some statements are promises the code keeps. Others are assumptions of a model. The pages mark them:

guarantee enforced by the code and covered by tests.
model a modelling assumption. Not a promise about real-world outcomes.
calibration a measured result on recorded Strike prices. The measurements and their limits are on Fairness and calibration.

strikeabox's own numbers on these pages (grid sizes, timings, limits, the house edge) come from one parameter file in the source code (packages/core/src/params.ts). Strike's numbers, such as its trading fees and market minimums, are Strike's and can change. If a number here and the app ever disagree, the app is the one in force, and the docs are wrong. Tell us on GitHub.

No real funds on the hosted app. Not financial advice.

Practice uses credits with no cash value: they can't be bought, sold or withdrawn. On the hosted app, practice follows Strike mainnet's public prices, and Live orders execute on Strike testnet, with testnet USD. A deployment can execute Live orders on Strike mainnet only when its operator turns that on explicitly, and there the funds are real. Read the risk disclosure before you use Live mode.