NaxosDataNaxosData

Transparent Institutional Pricing

Flat-rate data access.
Zero egress fees.

Prediction market Level 2 order books, tick archives, and cross-venue arbitrage feeds. No hidden bandwidth bills or opaque tier negotiations.

Hobbyist
$0/ month

For exploratory researchers and retail prediction market quants.

API Rate Limit:30 req/min
History Depth:24h historical lookback
Venues Included:Polymarket, Kalshi, Limitless, PredictIt, Drift BET, Smarkets
Export Quota:50,000 historical L2 rows / day
  • 24h historical lookback across 6 venues
  • 50,000 historical L2 rows / day
  • Open-source Python SDK access
  • REST API Rate Limit: 30 req/min
  • Standardized 20-level L2 depth & top liquid markets
Start free →
Quant ProMost Popular
$24/ month (billed annually)

The industry standard for active arbitrage operators & bot engineers.

API Rate Limit:180 req/min
History Depth:90d historical lookback
Venues Included:Polymarket, Kalshi, Limitless, PredictIt, Drift BET, Smarkets
Export Quota:1,000,000 historical L2 rows / day
  • 90d historical lookback across all 6 venues
  • 1,000,000 historical L2 rows / day
  • Real-time WebSocket streams & cross-venue pair scanner
  • REST API Rate Limit: 180 req/min
  • Settlement Fungibility Scores (0–100) & slippage simulator
Subscribe to Quant Pro →
Institutional
$80/ month (billed annually)

Unrestricted tick-level infrastructure for macro funds, market makers & primes.

API Rate Limit:600 req/min
History Depth:Unlimited all-time lookback
Venues Included:Polymarket, Kalshi, Limitless, PredictIt, Drift BET, Smarkets
Export Quota:10,000,000 historical L2 rows / day
  • Unlimited all-time historical lookback across all 6 venues
  • 10,000,000 historical L2 rows / day
  • Priority endpoints & instant Telegram/Discord webhook alerts
  • Highest REST API Rate Limits: 600 req/min
  • Dedicated schema support & custom canonical pair mapping
Get Institutional Access →

Detailed Comparison

Feature-by-feature tier matrix.

Compare capabilities across market coverage, historical tick retention, and analytical delivery.

Capability / SpecificationHobbyist ($0)Quant Pro ($30)Institutional ($100)
Venue Coverage & Symbology
1. Polymarket Coverage (CLOB + NegRisk)
2. Kalshi Coverage (Reciprocal Normalization)
3. Limitless Coverage (Base L2 CLOB)
4. PredictIt Coverage (10% Profit Tax Normalization)
5. Drift BET Coverage (Solana DEX L2)
6. Smarkets Coverage (2% Commission Normalization)
7. Canonical pair_id Match GraphTop 20 PairsFull Active CatalogFull Catalog + Bespoke
Granularity & Historical Retention
8. Historical Depth Retention24h lookback90d lookbackUnlimited all-time lookback
9. Granularity: 1ms WebSocket Delta Streams
10. Millisecond Level 2 Reconstruction (20 Levels)
11. Market Metadata & Text DescriptionsTop 20 Contracts
12. Settlement Resolution Rules & Oracle SourcesBasic Web View
13. Final Resolution Outcomes (YES, NO, VOID)
14. Settlement Fungibility Equivalence Scores (0-100)Web UI Only
15. Calculated Volume 24h & Trailing 1h VWAP
API Quotas, Storage & SDK Delivery
16. Historical L2 Row Quota / Day50,000 rows / day1,000,000 rows / day10,000,000 rows / day
17. Python SDK Access (`naxosdata`)
18. REST API Rate Limit & Daily Quota30 req/min180 req/min600 req/min
19. Real-Time WebSocket Streams & ScannerDedicated Low-Latency + Alerts
INTERACTIVE ROI CALCULATOR

Arbitrage Edge & Backtesting ROI Calculator

See how capturing just 1–2 mispriced cross-venue spreads pays for your NaxosData subscription many times over.

TRADING BANKROLL:$10,000 USD
$1,000$50,000$100,000
MONTHLY ARB TRADES:8 trades / mo
1 trade25 trades50 trades
AVERAGE CAPTURED NET EDGE:+1.8¢ per share
+0.5¢ (Tight)+1.8¢ (Typical)+4.0¢ (Wide)
PROJECTED ARBITRAGE EDGE & SUBSCRIPTION ROI15.0x Monthly Multiple
MONTHLY GROSS ARB RETURN
$360 / mo

Based on $2,500 avg trade size (25% bankroll) @ +1.8¢ net spread.

NET AFTER QUANT PRO ($30/MO)
+$336 / mo

Pays for your subscription in just 1 trade!

Breakeven Target: Capturing 1 trade covers the entire Quant Pro tierWith a $10,000 bankroll, capturing 1 trade at +1.8¢ yields $45 net edge—paying for Quant Pro ($30/mo) or Institutional ($100/mo) with massive surplus.
Subscribe to Quant Pro

Frequently Asked Questions

Everything you need to know about our data plans.

The NaxosData Tick Engine captures and reconstructs full Level 2 order books across Polymarket, Kalshi, Limitless, PredictIt, Drift BET, and Smarkets. Subscribers access millisecond historical replays, REST endpoints, and scoped CSV, JSON, and Parquet exports directly via our high-throughput API and open-source Python SDK.

Start streaming prediction market data in seconds.

No long-term commitments. Upgrade, downgrade, or cancel anytime directly in your terminal.