Product intelligence

The platform directory.

A venue, a data API and a tax report solve different problems. Compare products by the job you need done.

Select by the job, then the product

A sourced product guide establishes its documented scope. It does not establish tested account performance or publisher approval.

Independent research. We receive no commission from the official links on this page. Our disclosures →

Prediction markets

KSource-based guide

Kalshi

Broad event contracts with series-specific trading costs.

Kalshi event contracts guide →
Costs
General M=1 taker: $1.75 for 100 at $0.50; market exceptions apply.
Useful for
Researching defined events and order-book mechanics.
Access
US-focused event-contract product; market and account restrictions apply.
Official site: Kalshi event contracts
PSource-based guide

Polymarket

Separate US dollar and international crypto-based products.

Polymarket US guide →
Costs
Standard taker: 0.0695 × C × p × (1−p), cent half-even rounding.
Useful for
A documented US event-contract workflow.
Access
US product; KYC before funding/trading.
Official site: Polymarket US
Polymarket international guide →
Costs
Category-specific taker fees and five-decimal precision.
Useful for
Understanding the distinction; no international trading CTA.
Access
US new positions restricted; educational context only.
Educational context · No international trading route
NSource-based guide

Novig

Sports-focused games, futures and series-winner contracts.

Novig guide →
Costs
v3 coefficient 0.06; $1.50 on $100 winning payoff at 0.50 when charged.
Useful for
Sports-contract mechanics and in-game versus futures costs.
Access
Consumer state/funding matrix not established by retrieved trading docs.
Official site: Novig
ISource-based guide

Interactive Brokers

Broker access to prediction markets within a broader account.

IBKR Prediction Markets guide →
Costs
IBKR Lite $0 stock/ETF commissions do not establish a forecast-contract fee.
Useful for
Researching event access inside a brokerage; current contract fee needs evidence.
Access
US-election contracts described as eligible-US-resident only; other permissions are account/contract-specific.
Official site: IBKR Prediction Markets

Spot crypto

KSource-based guide

Kraken

Instant purchases and a separate Pro spot order book.

Kraken spot guide →
Costs
Pro Tier 1 maker 0.40% / taker 0.80%; instant 1% plus spread/payment.
Useful for
Choosing an execution interface and funding route.
Access
Reviewed US page excludes Maine and New York; US fiat funding is USD.
Official site: Kraken spot
CSource-based guide

Coinbase

Simple buys and Advanced have different cost structures.

Coinbase spot guide →
Costs
Simple buys include spread/quoted fees; Advanced rate is account-specific.
Useful for
Comparing a final quote or the Advanced workflow.
Access
US payment methods documented; product/asset eligibility differs.
Official site: Coinbase spot
GSource-based guide

Gemini

Compare ActiveTrader with equivalent order-book products.

Gemini spot guide →
Costs
Base ActiveTrader maker 0.60% / taker 1.20%; pair/tier exceptions.
Useful for
Evaluating an explicit spot and transfer schedule.
Access
Account and asset restrictions apply; no blanket availability inferred.
Official site: Gemini spot
CSource-based guide

Crypto.com

The App and Exchange are separate product comparisons.

Crypto.com App guide →
Costs
Variable admin fee disclosed in the App trade preview; possible card-issuer charges.
Useful for
Researching the App workflow without importing Exchange rates.
Access
App/product and regional permissions differ.
Official site: Crypto.com App

Research tools

KSource-based guide

KalshiSpy

Independent Kalshi trader-position and consensus analytics.

KalshiSpy guide →
Costs
At review Premium displayed $63/month beside $90; dated promotion, not guaranteed.
Useful for
Inspecting advertised Kalshi consensus information critically.
Access
Independent supplier, not a Kalshi-operated product.
Official site: KalshiSpy
OSource-based guide

OddsJam

Advertised prediction trader signals and exit notifications.

OddsJam Prediction Traders guide →
Costs
Current prediction-specific price unverified; no adjacent plan price substituted.
Useful for
Evaluating signal coverage and execution limitations.
Access
Named venue labels do not establish US account integration.
Official site: OddsJam Prediction Traders
ASource-based guide

Assymetrix

A developer API for prediction-market data workflows.

Assymetrix Data API guide →
Costs
Free $0; Developer $49/month; Pro $199/month at review.
Useful for
Building a data workflow with explicit licence checks.
Access
API tier and data licence govern access/display.
Official site: Assymetrix Data API
CSource-based guide

CoinStats

Portfolio tracking across named crypto and wallet integrations.

CoinStats guide →
Costs
Displayed Premium $13.99/month after trial; confirm selected billing term.
Useful for
Consolidating a supported crypto portfolio.
Access
Polymarket label does not verify US-product support.
Official site: CoinStats
TSource-based guide

TradingView

Charts, indicators, alerts and plan-specific data features.

TradingView guide →
Costs
Essential annual-view observation: $155.40 / 12 months ($12.95 equivalent). Checked 2026-10-25; current checkout, data and renewal separate.
Useful for
Chart and alert research rather than a proven trading strategy.
Access
Professional classification and exchange-data rights matter.
Official site: TradingView
TSource-based guide

TrendSpider

Charting, scanning and no-code strategy research.

TrendSpider guide →
Costs
Standard annual-view observation: $615.60 / 12 months ($51.30 equivalent). Checked 2026-10-25; current checkout, data and renewal separate.
Useful for
Evaluating a combined chart, scan and strategy workflow.
Access
Product/support documentation available; paid workflow untested.
Official site: TrendSpider

Tax tools

KSource-based guide

Koinly

Crypto imports, reconciliation and paid tax-year reports.

Koinly guide →
Costs
$49/100, $99/1,000, from $199/3,000+ transactions at review.
Useful for
Reconciling a complete supported crypto history before export.
Access
Supported crypto imports; event-contract tax workflow unverified.
Official site: Koinly
CSource-based guide

CoinLedger

Crypto history aggregation, portfolio views and tax exports.

CoinLedger guide →
Costs
$49/100, $99/1,000, from $199/3,000+ transactions at review.
Useful for
Reconciliation and export for a documented supported tax year.
Access
Reviewed price page listed reports through 2025; event-contract support unverified.
Official site: CoinLedger

Self custody

TSource-based guide

Trezor

Hardware signing for supported cryptoassets.

Trezor guide →
Costs
Safe 3 $59 / Safe 5 $129 USD in official metadata retrieved Oct 25; checkout/tax/shipping can differ.
Useful for
Secondary spot-crypto custody research, not event-contract access.
Access
Model, asset and network support matter.
Official site: Trezor
LSource-based guide

Ledger

Hardware signing and supported wallet-app services.

Ledger guide →
Costs
Flex $249 / Stax $399 as cited by official Oct 16 model article; not a current checkout quote.
Useful for
Secondary supported-asset custody research.
Access
Model, asset and network support matter.
Official site: Ledger