Picture this

Who it is for

Kwame Asante is a 41 year old ferry engineer in Rotterdam who holds a few tokenized stocks and sets a stop loss before his weekend shifts. One Saturday a thin pool printed a price 9 percent under Friday's close for eleven minutes, his stop fired, and on Monday the real stock opened down 1 percent. Closed Bell knows when each underlying exchange is open, checks whether the oracle price is stale, and holds his stops while the market is shut unless the move is confirmed by more than one source, and then asks him first. A gap diary shows what every Monday open did to his orders.

Two ways to own it

What you get

Base$100

Yours in 4 to 6 days

An order guard app for tokenized stocks: limit, stop and trailing orders from the user's own wallet through a scoped permission, a market hours calendar per underlying exchange, three closed market modes (pause, tighten, ask twice), oracle freshness and multi source checks, a weekend gap estimate, a gap diary of every open, alerts, an eligibility check that follows each issuer's rules, a kill switch, plans and checkout, and the owner console.

You choose: accent color and logo
You choose: listed tokens and exchanges
You choose: default closed market mode
You choose: alert channels

Customfrom $1,200

Built around you

Reshape it entirely: new features, your flows, your brand end to end, integrations you need. We scope it with you.

Everything in Base
Custom features and design
Priority build

Why it is new

What exists today, and what this does differently

What is new

Limit and stop orders are standard, and onchain order tools exist. Tokenized stocks add a new problem: they trade around the clock while the stock they track is priced only during exchange hours, so weekend and overnight prices come from thin pools and stale oracles. Closed Bell is a guard built for that gap: market hours per underlying exchange, oracle freshness checks, multi source confirmation, a second confirm while closed, and a diary of what each open did to each order.

Closest things out there

Onchain limit and stop tools such as CoW Swap orders, 1inch limit orders and DEX trigger orders, and broker stop orders that only work during market hours. None treat market hours of the underlying stock as a rule for onchain orders.

Checked with web searches in October 2026. A search is not proof that nothing similar exists, and the market moves fast, so we recheck before every build.

What it unlocks

The human in it

A weekend shift worker should not lose a position to an eleven minute print in a pool nobody was trading.

The Regatta Board

Races Closed Bell can enter

4 live races fit this app. Each one says why, with its prize and countdown. The rule on existing code is on the race page.

ACCELERATORAny chainAlliance ALL19Deal$400KWhy it fits. Guarding tokenized stock orders while markets are closed is new market structure work for crypto.16 other apps can enter tooSee the race GRANTArbitrumapply any timeArbitrum Foundation Grants / DAO programsFundingNot announcedROLLINGapply any timeWhy it fits. An order guard close to launch on Arbitrum that needs a security review.30 other apps can enter tooSee the race AIRDROP-READYRobinhood Chainapply any timeRobinhood Chain (no token)TokenNo set amountROLLINGapply any timeWhy it fits. Stock token orders guarded while markets are closed, on Robinhood Chain. Airdrops are never guaranteed.2 other apps can enter tooSee the race AIRDROP-READYInkapply any timeInk (INK announced, not launched)TokenNo set amountROLLINGapply any timeWhy it fits. DeFi orders for tokenized stocks on Ink. Airdrops are never guaranteed.4 other apps can enter tooSee the race

See every race on the board

What you own

The whole app, not a starter kit.

A complete order guard for tokenized stocks that you own: people set limits and stops from their own wallet that respect the real exchange's hours, pay you monthly for more orders and alert modes, and your console runs pricing, market calendars, rules and the keeper agent.

Base price · $100

The user app, complete

Every buyer gets the same finished app. Basic branding and copy changes come through a quick form.

Illustrated home with the market bell and first run onboardingHome

Three step welcome, then one view: which markets are open, which orders are held and why.

Eligibility check before any orderHome

Runs the issuer's own check and blocks people it excludes, including US persons.

Order builderOrders

Token, side, limit, stop or trailing, size, closed market mode and permission preview, all live.

Three closed market modesOrders

Pause until the open, tighten to two fresh sources, or ask twice before firing.

Market hours bell per exchangeBell

Open, closing soon or closed, with holidays and early closes, for every listed stock.

Oracle freshness and source checksWeekend

Each trigger shows every source, its price and its age before anything fires.

Weekend runs with three outcomesWeekend

Play a thin pool print that is held, a confirmed move that asks twice and a Monday open that fills.

Gap diaryDiary

Friday close, weekend low, the open, and what each order did against a plain stop.

Kill switch, permissions, plans and share cardMe

One tap revoke, the keeper's hard limits, the plans sheet and a weekend gap card.

Paywall with locked features and simulated USDC checkoutMe

Three tiers; tighten and ask twice modes, trailing stops and more orders unlock by plan.

Open the full app demo

Add-on

Owner console

Your admin side: revenue, paywall editor, users, rules and the agent log.

Revenue dashboard and live paywall editorRevenue

MRR chart, tier names and prices, gated features, payments and pay methods.

App wide rulesRules

Oracle freshness limit, settle window after the open, depth floor and default mode.

Market calendar deskRules

Exchanges, holidays and early closes for every listed token, with a missing holiday warning.

Keeper agent log with failures and adaptationsAgent

A weekend where one oracle froze and the keeper held every order, plus monthly running costs.

Roadmap with build requestsRoadmap

v2 and v3 add-ons with prices and a request sheet.

Top-up

Growth and referrals

Referral and growth mechanics, switched on when you are ready to grow.

Growth loop and sourcesGrowth

Monday gap cards, trading community reports and referral sources.

The money path, built in

How it earns for you

A free plan for a few paused orders, and monthly plans for more orders, the tighten and ask twice modes, trailing stops and shared desks. No fee is taken from users' fills.

WatchFreeUp to three orders, pause mode, market bell, oracle check, gap diary and kill switch.

Guard$7 per monthUnlimited orders, tighten and ask twice modes, trailing stops, push alerts and all three chains.

Desk$24 per monthShared watch lists for a small club, per member orders from their own wallets and a weekly gap report.

Prices are yours to set. Illustrative, not a promise of income.

Growth loops, built in

How it spreads

Monday gap cards that show the weekend low, the open and what a plain stop would have done
A weekly gap report trading communities can post
Referral month: invite a friend and both get a month of Guard
Holiday reminders that bring people back before long weekends

Roadmap · build the next phase with us

Where it goes next

v1 included

The market hours guard

Eligibility check and scoped permission
Limit and stop orders with three modes
Market bell and oracle checks
Gap diary
Plans, paywall editor, keeper log

Included

Robinhood Chain, Ink and trailing stops

Orders on Robinhood Chain and Ink next to Arbitrum
Trailing stops that pause while closed
Push alerts for ask twice

Add-on from $450

Club desk and gap feed

Shared watch lists for small clubs
Per member orders from their own wallets
An open weekend gap feed other apps can read

Add-on from $800

The pitch, ready for investors and grant reviewers

Unlocked when your app is paid in full

Your 2 minute demo script

Unlocked when your app is paid in full

Make it entirely yours

Your brand, listed tokens and exchanges, default modes, alert channels, extra chains or a club desk for a community are scoped and priced together.

Custom from $1,200

BLUEPRINT

Why it matters and how it really works

The recipe (how it is built, the data, costs, risks, build order, the pitch and the demo script) is unlocked when your app is paid in full.

The need

Tokenized stocks trade around the clock, but the stock each one tracks is priced only while its exchange is open. On nights, weekends and holidays the onchain price comes from thin pools and oracles that may not have updated since Friday, so a stop loss can fire on a short print that the real market never confirms, and a limit can fill at a price nobody would see on Monday.

What exists and what is new

Limit, stop and trailing orders exist on DEXes and aggregators, and brokers only run stops during market hours. Closed Bell is a new guard for a new gap: it reads each underlying exchange's hours, checks oracle freshness and agreement between sources, and while the exchange is closed it pauses, tightens or asks twice before any order fires. A gap diary records what each open did. Research verdict: orders exist, the market hours guard is new, high novelty.

The data it runs on

Unlocked when your app is paid in full

1.The mission

Your orders should follow the market the stock really trades in, not an eleven minute print in a pool nobody was watching.

2.Why people can't resist it

The bell is closed Every order shows a small bell: open, closing soon or closed. When it is closed, the order's closed market mode is spelled out in one line.

What Monday did The gap diary shows each weekend: Friday close, the lowest weekend print, Monday open, and what each order would have done without the guard.

Ask me twice In ask twice mode a trigger while closed sends a push with the sources and their ages, and nothing fires unless the user confirms.

3.How it works for real

Unlocked when your app is paid in full

4.Pricing

Cost per use: unlocked when your app is paid in full.

Watch Free

Up to three orders, pause mode, market hours bell, oracle freshness check, gap diary and kill switch.

Guard $7 per month

Unlimited orders, tighten and ask twice modes, trailing stops, push alerts and all three chains.

Desk $24 per month

For a small club or family office: shared watch lists, per member orders from their own wallets and a weekly gap report.

5.Growth loop

The weekend gap card is shareable and useful to anyone holding tokenized stocks: what the lowest print was, what Monday opened at, and what a plain stop would have done. Trading communities can link the gap report every Monday.

6.Risks and guardrails

Unlocked when your app is paid in full

7.Build order

Unlocked when your app is paid in full

8.Where this is going

Now
Stops and limits that respect the real exchange's hours, on one chain.
Next
Robinhood Chain and Ink, ask twice alerts, trailing stops and more exchanges with their holidays.
Later
A shared, open feed of weekend gaps that any wallet can use to warn people before they set a stop.
The world it builds
Onchain stocks keep their round the clock freedom without punishing people for a print the real market never made.

Costs and tools are estimates at the time of writing. General information only, not legal or financial advice.

OWNER PLAYBOOK

Own it, then chart your voyage

Nine routes from one vessel. Tap a port to open its chart.

Why own Closed Bell

Tokenized stocks trade every hour of every day, but the stocks they track do not, and that gap fires stops on prints nobody would see on Monday. Owning Closed Bell means you run the guard that fixes it: orders that know the real exchange's hours, check their sources and ask before firing while the market is closed. You earn from your own plans, never from a cut of people's fills.

What’s stopping you?

“Is it legal to run an app for tokenized stocks?”

Tokenized stocks are not offered to US persons and some other regions. Closed Bell runs each issuer's own eligibility check and follows its rules, and it never holds funds. Rules still differ by country, so take local advice before you charge, and never call it investment advice.

“What if a real crash happens on a weekend and pause mode holds a stop?”

That can happen, and the app says so when a user picks pause. Tighten and ask twice exist for people who want a stop to fire on a confirmed move. The diary records every hold, so nobody is surprised by what the guard did.

“Running a keeper sounds hard. What if it goes down?”

A missed trigger is logged as missed with the price at that moment, and it is never filled later at a worse price without the user. The keeper is a small scheduled job, and the delivery guide covers alerts if it stops.

“Stop orders already exist everywhere. Why would anyone switch?”

Almost none of them know when the real market is closed. One weekend gap card that shows a plain stop firing 8 percent too low is the whole pitch. Start with people who were already burned once.

A revenue ladder, step by step

Monthly plans for more orders, the tighten and ask twice modes and trailing stops, a desk plan for small clubs, and white label copies for trading communities. Illustrations, not promises.

$280

$5,000

$3,600 plus users

$105,000

First weekends

40 paying users

$7 a month

Known in two communities

600 paying users

$7 to $24 a month

White label

8 communities

$449 a month

Category regular

12,000 paying users and 25 communities

Mixed

Publish a free Monday gap report every week
Partner with trading communities that hold tokenized stocks
Sell the desk plan to small investment clubs

Illustrative stages, not a forecast. Results depend on you and the market; nothing here is guaranteed.

Pick your destination

Grow it into a business

People who already lost a position to a weekend print know the problem in one sentence, and they pay to never see it again.ARRIVE: Thirty people on the free plan and eight paying for Guard, about $56 a month.5 moves · first one within the hour →

Raise for it

Risk tooling for tokenized real world assets is a clear DeFi and RWA story, and Arbitrum offers help with audits and gas for apps close to launch.ARRIVE: One support application and one accelerator application submitted with real order data.4 moves · first one within the hour →

Become a real builder on a chain

Deploying Closed Bell under your wallet and running a real keeper leaves a public footprint on Arbitrum, Robinhood Chain and Ink. Robinhood Chain has no builder program and no token, and Ink's announced token has not launched. Airdrops are never guaranteed. You are positioning, not buying a payout.ARRIVE: Closed Bell live under your name on Arbitrum, with your own guarded orders and a public build log.4 moves · first one within the hour →

Win with it at hackathons

RWA, DeFi safety and oracle tracks all fit a feature built on Closed Bell. Check each event's rule on existing code; many want new work built at the event.ARRIVE: A submission that adds one new feature to Closed Bell, within the event's rules.4 moves · first one within the hour →

Run your own work on it

If you check your tokenized stock positions every weekend in case a stop fires, Closed Bell lets you put the phone down.ARRIVE: Your own stops run through two weekends without you checking a single pool.4 moves · first one within the hour →

Get your people moving

A weekend gap card is a simple, honest way to teach how markets and onchain prices differ, and why a stop can hurt.ARRIVE: A group of five to fifteen people reads one weekend gap together and each decides how they want their own stops to behave.4 moves · first one within the hour →

Partner with founders and projects

Trading communities and newsletters that cover tokenized stocks want a weekly, honest piece of content. The Monday gap report is a natural partnership.ARRIVE: One community posts the Closed Bell gap report every Monday for a month.4 moves · first one within the hour →

Prove your skills with it

A live guard that reads market calendars and oracle freshness and fills through scoped permissions is strong proof of careful DeFi and risk engineering.ARRIVE: A case study page with the guard, one weekend gap and the keeper log, sent to five people who hire.4 moves · first one within the hour →

Sell it as a service

Small investment clubs holding tokenized stocks want their orders guarded without handing anyone their keys. Setting it up is a service you can sell.ARRIVE: Two clubs or families with guarded orders running as a done for you service.4 moves · first one within the hour →

No budget yet? Be a CEO anyway at CEOism, then come back for your vessel. ceoism.com ↗

NOT QUITE CLOSED BELL?

Commission your own version.

Send a short brief: the idea, the chain, your budget and deadline. A real person replies usually within a day with questions or a fixed quote. The custom tier for Closed Bell starts at $1,200, and you pay nothing until you approve the quote.

Send a brief

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