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xStocks Hackathon 2026

Your portfolio should act on what it knows.
Before the price moves.

The cuttlefish sees 16 color spectrums where humans see 3.
xSepia brings that vision to your xStocks portfolio.

The Problem

Markets move on events.
Portfolios don't.

Your portfolio rebalances on a timer

Weekly. Monthly. Quarterly. By the time it acts, the price already moved. That's not automation. That's a slow calendar.

📈

The best signal is right there

Prediction markets — real money, real conviction — consistently outperform analysts. But no portfolio product listens to them.

Polymarket Kalshi

xStocks made this possible

For the first time, stocks are programmable. They can move at 2am, triggered by code, settled in seconds. Nobody built on this. Until now.

The Solution

You set the rules.
The vault enforces them.

Pick your stocks. Set allocations. Attach a signal. Fund with USDC. Your vault runs on its own — immutable rules, on-chain.

Example — Apple Earnings Shield

Vault: 50% xAAPL, 30% xMSFT, 20% USDC. Signal: Apple earnings beat probability. If it drops below 40% → exit xAAPL to USDC. On-chain. Immutable. No one can change the rules.

Powered by
Ethereum
Ink
CoW Swap
1inch
Polymarket
Kalshi
Demo

See it in action.

Create vault → Attach signal → Fund → Walk away → Signal fires, vault repositions.

Create vault

Create vault

Attach signal

Attach signal

Dashboard

Walk away

Vault healthy

Vault running

Vault triggered

Signal fires

Key Features

Six things that matter.

📋

4 steps to a vault

Select stocks. Set allocations. Choose DCA or manual. Attach a Polymarket signal. Fund with USDC. Done.

📡

Conviction triggers

Attach a Polymarket signal. Set your threshold. When the probability crosses your line: change allocation, buy, exit to cash, or pause.

🔒

Immutable rules

Each vault is an EIP-1271 smart contract. Rules are encoded on-chain. No one — not even us — can override them.

⚙️

Gasless for users

The operator signs orders on behalf of the vault. CoW Swap and 1inch resolvers handle gas. Users pay nothing.

🔄

Smart execution

Orders route through CoW Swap and 1inch Fusion. Best price, MEV-protected, verified against on-chain vault rules.

📈

Fully indexed

Squid indexer powers the app's data. Every vault action, every signal trigger, every allocation change — tracked and queryable.

Architecture

How it all fits together

From Polymarket odds to on-chain vault execution — end to end.

Signals

Polymarket

Signal Service

Filter + score

Threshold

Breach detection

Operator

Signs orders

CoW / 1inch

Execute swaps

EIP-1271 Vault

Verifies rules

TECH STACK

Next.js
TypeScript
Bun
ElysiaJS
Wagmi.sh
Viem
Foundry / Solidity
PostgreSQL
Squid Indexer
Ink / Ethereum
CoW Swap
1inch
Polymarket API
Coolify / Pangolin
Market Potential

The opportunity is massive.
And it's just starting.

$2.4T

Robo-Advisory AUM

Global robo-advisory market — all running on timers. Every one of these users deserves something smarter.

$10B+

Prediction Market Volume

Polymarket monthly volume. Real money, real conviction. And nobody else is building on it.

24/7

xStocks Composability

Every new xStock listed is a new building block for xSepia. The strategy universe grows automatically.

Think of it this way: Wealthfront was the automation layer for ETFs. xSepia is the automation layer for xStocks.

Team

The people behind it.

Manuel

Manuel

Founder & Product

Serial entrepreneur. Founder of 31Third — institutional on-chain trading and compliance infrastructure. $200M+ trading volume facilitated.

LinkedIn
Marc-Antoine

Marc-Antoine

Senior Backend Developer

Blockchain enthusiast since 2018. Protocol logic, data extraction, and actionable on-chain insights.

LinkedIn

Your portfolio should
see what the market can't.

Thank you.

QR code — xsepia.com

Join the waitlist

xsepia.com