Ireland desk · CFTC-DCM since 2020 · six-year operating track

Kalshi from Ireland — share price, API, trading bots and the GRAI question

Q: What do Kalshi trading bots actually look like?

The common Kalshi bot patterns fall into three buckets. Market-making bots post both sides of the book on liquid markets (Fed-decision contracts, US-election outcomes, Bitcoin price levels) and capture the spread — heavily commoditised, hard to make work at retail size. Information-driven bots ingest data feeds (CPI prints, FOMC minutes, weather APIs, sports score feeds) and trade single-leg contracts when the published number diverges from the implied price; the edge depends on data latency and quality. Arbitrage bots look for cross-platform price differences between Kalshi and Polymarket on equivalent contracts, accounting for liquidity, withdrawal frictions and the regulatory difference between USD and USDC. All three are run by experienced operators, none of them is push-button profitable, and all of them need careful position-sizing.

Q: What can an Irish reader use instead of Kalshi?

Several paths. GRAI-licensed Irish operators running under the Gambling Regulation Act 2024 cover the sports-betting category but not event-contract derivatives. MiFID-regulated European brokerages may offer adjacent products but generally not the binary event-contract format. Polymarket is the closest direct comparison by product type, with its own access constraints. A US-resident account on Kalshi via legitimate means — for example, an Irish citizen with US residency and US banking — works inside the standard Kalshi flow. There is no Irish-licensed equivalent of Kalshi at scale as of mid-2026.

An Irish-perspective desk on the CFTC-regulated event-contract exchange. The page handles, in order, the questions that bring Irish readers here: whether Kalshi has a tradable share price, what the public API actually exposes, what trading-bot patterns look like in practice, the real fee picture, how GRAI and the Central Bank view the product, and the side-by-side against Polymarket. Quotes and references as of late May 2026.

Read the share-price answer

€20.5 billion equivalent private-market valuation Q2 2026

6,800+ markets resolved cumulative

120 requests per minute standard API rate limit

Trading-bot patterns

What Kalshi trading bots actually do, in three buckets

The bot strategies that show up when Irish developers ask.

Market-making bots

Quote both sides of the book on liquid markets — Fed decisions, US presidential outcomes, Bitcoin price levels. The bot earns the spread on flow it warehouses. Heavily commoditised by 2026; retail-scale market makers compete against well-capitalised institutional desks. Hard to be profitable without serious infrastructure and risk management.

Information-driven bots

Ingest external data feeds — CPI prints, FOMC minutes, weather APIs, sports box-score endpoints — and place single-leg contracts when the freshly published number diverges from Kalshi's current implied price. Edge depends entirely on data latency and quality. Easier conceptually, much harder to keep edge as data sources commoditise.

Cross-platform arbitrage bots

Compare Kalshi (USD) and Polymarket (USDC) quotes on equivalent contracts and exploit price differences. The mechanic is straightforward; the friction is settlement: moving capital across an off-chain US brokerage account and an on-chain wallet carries fees, latency, and regulatory questions.

Reality check: none of these are push-button profitable. Each requires infrastructure (low-latency hosting, reliable data feeds, monitoring), capital, and tight risk management. Most Irish developers using the Kalshi API end up building read-only analytics rather than live trading bots.

How the product works

Binary contracts, order book, USD settlement

The mechanics in plain English.

Each Kalshi market is a single binary question — for example, "Will the European Central Bank cut rates at the September meeting?" — with a published resolution rulebook and a known settlement date. Two sides: Yes and No. The trading price sits between 1¢ and 99¢ and reads as the market-implied probability. Each contract pays out 1 USD if the claim resolves yes, 0 USD if not. The matching engine runs a standard limit order book with price-time priority. Settlement happens centrally, in US dollars, through your Kalshi account.

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Order book, not bookmaker

You match against another participant, not against a house. No margin is built into the quoted price the way a bookmaker constructs odds.

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Price equals probability

A 30c Yes contract reads as a 30% chance assigned by the market. Prices update continuously as news arrives between listing and resolution.

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Sell back any time

A position can be closed at the current market price at any point before the resolution date. No need to hold until the event settles.

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Published resolution rules

Each market specifies the data source and the precise resolution criteria up front. Once the outcome is set, the market settles within hours.

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CFTC-designated

First Designated Contract Market the CFTC approved specifically for event contracts. Periodic reporting, central clearing, capital requirements.

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Web + native mobile

Native iOS and Android apps in addition to the web platform. Push notifications for price moves and settlements. Same regional eligibility as the website.

Live markets with Irish relevance

Nine contracts on the Kalshi book worth watching from Dublin

Six Nations, Eurovision, ECB rates, Ryanair, plus the global macro and crypto markets that pull Irish visitors regardless of regional angle.

Rugby IRE

Fees breakdown

What an Irish account would actually pay end-to-end

No bookmaker overround. Three transparent cost lines published on Kalshi's own fee page.

Unlike a sportsbook regulated by GRAI, Kalshi does not embed an overround into the quoted prices. The price you trade at is the market-implied probability — not an odds figure adjusted by a bookmaker's margin. Real costs reduce to three transparent lines, all of which Kalshi publishes in its live fee schedule:

Per-contract trading fee

Small fee applied to certain order types. Scales with the contract's quoted price and the order quantity. The schedule updates occasionally and is published at kalshi.com/fees.

Bid-ask spread of the book

Natural cost of any limit order book. Tightest on the headline political and macro contracts where multiple market-making bots quote both sides; wider on the long-tail listings.

Funding rail fees

Zero on US-domestic ACH. International wire transfers carry standard sending-bank fees. Crypto on-ramps follow the respective rate cards of each provider.

Sportsbook overround

Does not exist on Kalshi. There is no 5–15% margin built into the quoted price the way a traditional bookmaker constructs odds. The price is the implied probability.

The framing: on Kalshi the useful question is not "how big is the welcome bonus" — it is "is this market liquid enough for my position size, and what does fees plus spread cost on the round-trip?" Verify the live schedule on Kalshi before sizing any strategy.

Kalshi versus Polymarket

Same product, completely different rails

The two largest prediction-market venues side by side, from an Irish reader's perspective.

Kalshi against Polymarket — CFTC vs on-chain

Dimension	Kalshi	Polymarket
Regulator	US CFTC, Designated Contract Market	Decentralised, no standard CFTC oversight
Settlement	USD via traditional brokerage account	USDC on Polygon, on-chain
Primary audience	US residents with US banking	Global, with restricted-jurisdiction list
Market range	Curated event contracts, structured	Very broad, fast-rotating listings
Transparency	Regulated-exchange periodic reporting	Every trade visible on the public chain
Strength for IE	US regulatory certainty, USD rails	Reach, breadth, on-chain audit trail

Practical reality: both platforms have access friction from Ireland. Kalshi geo-blocks Irish residential IPs at the eligibility check. Polymarket maintains its own list of restricted countries where Ireland has appeared at various points. Before deciding, open each platform's eligibility check from an Irish connection and read what they actually return.

Irish regulatory status

Where Kalshi sits relative to GRAI, the Central Bank and Revenue

The Irish legal map for a US-regulated derivatives exchange.

Kalshi operates under US federal commodities law via the Commodity Futures Trading Commission. From an Irish reader's perspective the relevant question is what the local authorities have or have not done about it — and the answer is consistent: nothing direct. Kalshi has not been authorised, licensed or named in any Irish enforcement action as of late May 2026.

GRAI — Gambling Regulation Authority of Ireland

Established under the Gambling Regulation Act 2024 and operationalised through 2025–2026. GRAI has not licensed Kalshi for the Irish market. Structurally Kalshi positions itself as a CFTC-regulated derivatives exchange rather than a gambling product, which sits outside GRAI's licensing remit.

Central Bank of Ireland

Supervises investment firms under MiFID and the broader EU financial-services framework. Kalshi is neither MiFID-authorised nor passported into Ireland from another EU jurisdiction — it operates under the US CFTC framework only. No public Central Bank position specifically on Kalshi as of mid-2026.

Revenue Commissioners

Any income or gains from event-contract trading by an Irish resident is taxable under standard Irish rules. The classification (CGT, income tax, miscellaneous Schedule D) depends on facts and circumstances — work with an Irish tax adviser for a position specific to you.

Access reality from Ireland

Irish residential IPs are typically blocked at Kalshi's eligibility step before any KYC document is requested. The flow expects US Social Security, US identification and US banking — PPS numbers, Irish passports and Bank of Ireland accounts do not work in the verification stack.

Reminder: Kalshi Ireland Desk is an independent information resource. We are not affiliated with Kalshi or with any Irish authority. Nothing on this page is legal, tax or financial advice. For your own compliance picture, work with a qualified Irish solicitor or financial adviser.

The founders and the company

Mansour, Lopes Lara, and six-year of operating record

Tarek Mansour and Luana Lopes Lara, both MIT graduates with prior experience at trading firms (Goldman Sachs and Five Rings Capital for Mansour, Citadel and Bridgewater Associates for Lopes Lara), founded 2018, public launch April 2021. The bulk of the next two- plus years went into the regulatory engagement with the CFTC to establish that event contracts qualified as commodity derivatives under US federal law. The CFTC granted Designated Contract Market status in 2020 — the first ever for event contracts. By Q2 2026 Kalshi sits at a private-market valuation around €20.5 billion equivalent, following a Series C funding round led by Sequoia Capital, with 6,800+ markets resolved over a six-year operating track record.

Operating walkthrough

From signup to first contract — the four-step flow

The path a US-resident account follows on day one.

Account creation

US Social Security number, US government-issued identification, US bank account. The system checks IP, identity, and KYC status before letting any orders through.

USD funding

ACH from a US bank is the no-fee default. International wires and partner brokerages are alternatives. The supported methods and the per-transfer limits surface on the deposit screen.

III

Pick a market

Choose a binary question you have a view on. The most liquid markets — political, macro, headline sport — let you size a position without moving the order book against yourself.

Trade and manage

Buy Yes or No, use market or limit orders, exit before resolution if your view changes. Winning contracts settle at 1 USD each, typically within hours of the event resolving.

Frequent Irish questions

Direct answers, no hedge

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Is there a Kalshi share price you can trade in Ireland?

No. Kalshi is a privately held US company — there is no ISIN, no listing on Euronext Dublin, the New York Stock Exchange or the Nasdaq, and no publicly quoted share price. The numbers you see in search results (for example "Kalshi valuation 22 billion dollars") come from private funding rounds — the most recent Series C led by Sequoia Capital — not from a public stock quote. Any Irish broker advertising "Kalshi shares" should be treated as a red flag; the legitimate secondary market for private US tech equity runs through accredited-investor platforms with very different mechanics. Watch the company news from Kalshi directly for any future IPO filing.

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Can I actually open a Kalshi account from Ireland?

Standard signup blocks Irish residential IPs at the eligibility check. Kalshi's KYC stack expects a US Social Security number, a US government-issued identification document and a US bank account for ACH funding — none of which an Irish resident has in their own name. The Irish PPS number, an Irish passport with an Irish address and a Bank of Ireland or AIB current account do not get accepted in the verification flow. The platform's regional rules change occasionally; the reliable check is opening Kalshi's eligibility page directly from a real Irish network and reading what the site itself returns.

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Is Kalshi legal in Ireland under GRAI and the Central Bank?

Kalshi is regulated under US federal commodity law by the CFTC, not by any Irish authority. The Gambling Regulation Authority of Ireland (GRAI), established under the Gambling Regulation Act 2024, has not licensed Kalshi for the Irish market — and structurally Kalshi positions itself as a derivatives exchange rather than a gambling product, which is a category outside GRAI's remit. The Central Bank of Ireland regulates investment firms and MiFID-licensed venues; Kalshi is neither, since it operates under the US CFTC framework. None of this constitutes legal advice — for an actual Irish compliance position, work with a qualified Irish solicitor or financial adviser.

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What does the Kalshi API actually expose?

Kalshi publishes a REST API documented at kalshi.com/developers covering markets, order books, trades, fills and account positions. Authentication runs via API keys tied to your account. Rate limits sit around 120 requests per minute for standard accounts. End-to-end latency on read endpoints typically runs sub-200ms from a US data centre — meaningful for trading-bot patterns. Order endpoints support limit, market and various time-in-force flags. WebSocket streams are available for real-time order-book and price updates. The API is fully usable for read-only analytics from anywhere; trading requires an active US-resident account, so the API does not bypass the regional eligibility constraints.

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What do Kalshi trading bots actually look like?

The common Kalshi bot patterns fall into three buckets. Market-making bots post both sides of the book on liquid markets (Fed-decision contracts, US-election outcomes, Bitcoin price levels) and capture the spread — heavily commoditised, hard to make work at retail size. Information-driven bots ingest data feeds (CPI prints, FOMC minutes, weather APIs, sports score feeds) and trade single-leg contracts when the published number diverges from the implied price; the edge depends on data latency and quality. Arbitrage bots look for cross-platform price differences between Kalshi and Polymarket on equivalent contracts, accounting for liquidity, withdrawal frictions and the regulatory difference between USD and USDC. All three are run by experienced operators, none of them is push-button profitable, and all of them need careful position-sizing.

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How are Kalshi fees actually calculated?

Kalshi publishes its fee schedule at kalshi.com/fees and the formula is straightforward: a per-contract trading fee on selected order types that scales with the contract's price and the order quantity. Cheap contracts (under 10 cents) carry minimal fees in absolute terms; expensive contracts (over 50 cents) carry larger absolute fees but proportionally similar percentages. There is no margin embedded in the quoted price — what you see is the market-implied probability. ACH bank funding has no Kalshi-side fee; wire transfers carry standard bank fees on the sending side. The fee schedule updates occasionally; verify on Kalshi directly before sizing a strategy.

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Kalshi vs Polymarket — which one is better for an Irish user?

Neither is straightforwardly accessible from an Irish residential connection. Kalshi: CFTC-regulated, USD-settled, US-resident user base. Polymarket: decentralised, on-chain in USDC on Polygon, broader global catalogue, with its own list of restricted jurisdictions where Ireland has appeared at various points. For an Irish reader the practical question is not which platform is structurally better but which one is currently reachable and legally usable from your network. Verify via the platform's own eligibility check; do not rely on third-party screenshots that may be months out of date.

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Who founded Kalshi and how is the company doing in 2026?

Tarek Mansour and Luana Lopes Lara, both MIT graduates with prior experience at trading firms (Goldman Sachs and Five Rings Capital for Mansour, Citadel and Bridgewater Associates for Lopes Lara), founded Kalshi in 2018. The bulk of the next two-plus years went into the regulatory engagement with the CFTC to establish that event contracts qualified as commodity derivatives under US federal law. The CFTC granted Designated Contract Market status in 2020 — the first ever for event contracts — and the public trading launch followed in April 2021. By mid-2026 the company sits at roughly €20.5 billion equivalent in private-market valuation following the Series C led by Sequoia, with 6,800+ markets resolved over a six-year operating track record.

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What can an Irish reader use instead of Kalshi?

Several paths. GRAI-licensed Irish operators running under the Gambling Regulation Act 2024 cover the sports-betting category but not event-contract derivatives. MiFID-regulated European brokerages may offer adjacent products but generally not the binary event-contract format. Polymarket is the closest direct comparison by product type, with its own access constraints. A US-resident account on Kalshi via legitimate means — for example, an Irish citizen with US residency and US banking — works inside the standard Kalshi flow. There is no Irish-licensed equivalent of Kalshi at scale as of mid-2026.

Read first. Trade only after that.

Regulated US exchange, binary contracts, real risk. Understand the access, the fees, and the GRAI status before sizing any position.