Blog · page 26

Bot engineering, in depth.

Page 26 of 26 — how trading bots actually work on Solana, Hyperliquid and Polymarket.

Oct 27, 2025·5 min read

Building an Order-Book Imbalance Signal on Solana OpenBook v2

Constructs a real-time bid-ask volume imbalance feature from OpenBook v2's on-chain account state, evaluates its predictive horizon at the 50ms and 500ms mark, and integrates it into a momentum entry filter. Includes a TypeScript listener that streams account deltas via gRPC.

Oct 25, 2025·4 min read

Solana Priority Fees: Landing Transactions Under Load

A practical breakdown of dynamic compute-unit pricing and fee estimation so your Solana bot lands transactions without overpaying during peak congestion.

Smart Contracts

Oct 25, 2025·4 min read

Solana Program Security Audit Checklist for Trading Apps

Before you put real capital through a custom settlement program, you need to pass a security audit. This checklist covers signer-check bypasses, owner mismatches, arithmetic overflows, and re-entrancy vectors specific to DeFi trading programs.

Oct 25, 2025·5 min read

Yellowstone gRPC Streaming on Solana: Complete Setup Guide

Step-by-step walkthrough for connecting to a Yellowstone-compatible geyser plugin via gRPC to stream accounts, transactions, and slots in real time. Covers authentication, filtering by program ID, and handling backpressure in production.

Oct 25, 2025·5 min read

Hyperliquid Funding-Rate Arbitrage: Delta-Neutral Yield

Build a delta-neutral carry trade on Hyperliquid that captures perpetual funding rates while hedging spot exposure — a concrete engineering breakdown for serious traders.

Oct 23, 2025·4 min read

Building a pump.fun Sniper Bot That Beats the Bonding Curve

A technical deep-dive into bonding-curve mechanics, first-block buy races, and the infrastructure stack needed to win on pump.fun.

Oct 22, 2025·5 min read

Colocation Strategy for Hyperliquid: Is It Worth the Cost?

Hyperliquid runs validators in specific data centers — this article maps those locations, measures round-trip latency from AWS/GCP/bare-metal alternatives, and calculates the real PnL edge colocation provides for market makers and stat-arb bots.

Oct 22, 2025·5 min read

Polymarket's Conditional Token Framework: What Traders Need to Know

Polymarket's binary outcome shares are built on Gnosis's Conditional Token Framework — a specific on-chain architecture that shapes how collateral moves, how positions settle, and where custody risk actually lives. Here is what that means in practice for anyone running capital on the platform.

Oct 21, 2025·4 min read

Hyperliquid Grid Bots: Range Trading Perps Automatically

Learn how a hyperliquid grid bot adapts classic range trading to leveraged perps with liquidation-aware bounds, funding-rate logic, and automated kill-switches.

Oct 21, 2025·6 min read

Building a Multi-Provider RPC Failover Layer for Solana Bots

A single RPC endpoint is a single point of failure — we show how to build a weighted round-robin proxy in Rust that automatically routes around degraded providers, with health-check intervals tuned for HFT tolerances.

Oct 21, 2025·5 min read

Solana vs Hyperliquid for HFT Bots: Latency & Fill Rate

A side-by-side breakdown of block time, mempool access, and real fill rates for high-frequency trading bots on Solana versus Hyperliquid's off-chain order book. We run the numbers so you can pick the right venue before you write a line of code.

Oct 20, 2025·5 min read

Cross-DEX Arbitrage on Solana: Jupiter Routing vs Manual Path Building

Jupiter aggregates routes efficiently for retail but exposes predictable execution patterns that sophisticated searchers exploit. This article contrasts Jupiter-based routing with custom path-finding for cross-DEX arbitrage and where each approach wins.

Oct 18, 2025·6 min read

Funding Rate Arb: Hyperliquid vs Binance and Bybit Compared

Persistent funding divergence between Hyperliquid and centralized venues like Binance Futures or Bybit creates arb opportunities that can be harvested by holding opposing perp positions simultaneously. This analysis covers real eight-hour funding windows, transfer latency via cross-chain bridges, and net carry after fees for BTC, ETH, and SOL pairs.

Oct 17, 2025·6 min read

Jupiter Legacy Swap v1/v6 Guide: Quote and Route Migration Notes

Understand legacy Jupiter v6 quote and route responses, then migrate new Solana integrations to the currently supported Jupiter Swap API.

Oct 17, 2025·6 min read

Build a Rolling Drawdown Circuit Breaker for Crypto Bots in Python

Implements a real-time equity-curve monitor in Python that calculates 1-hour and 24-hour rolling drawdown, trips a circuit breaker at configurable thresholds, and sends a PagerDuty alert before flattening all open positions.

Oct 16, 2025·5 min read

Setting Position Limits and Exposure Caps on Hyperliquid

Uncapped exposure is how HFT bots blow up accounts overnight. Learn how to enforce per-asset position limits and total portfolio exposure caps using Hyperliquid's API and on-chain margin accounting.

Oct 16, 2025·5 min read

Event-Driven News Trading on Polymarket with API Automation

How to wire a news feed — Reuters, NewsAPI, or Telegram channels — into a Polymarket trading bot that detects resolution-relevant events and fires limit orders within seconds of a headline dropping.

Smart Contracts

Oct 14, 2025·5 min read

Building Anchor PDA Vaults for Solana Trading Bots

Learn how to design and deploy a Program Derived Address vault using Anchor so your HFT bot can custody funds trustlessly on-chain. Covers seed derivation, bump canonicalization, and CPI-safe withdraw guards.

Oct 14, 2025·7 min read

Backrunning Polymarket Resolution Events: Timing and Profitability

When Polymarket markets resolve, liquidity shifts predictably across correlated prediction markets and DeFi venues. This article details how to backrun resolution events with atomic transactions and what infrastructure latency requirements actually matter.

Oct 11, 2025·5 min read

True Cost of Running a Solana HFT Bot: RPC & Infra Breakdown

A frank breakdown of monthly spend across dedicated validator RPC nodes, Yellowstone gRPC streams, Jito tip budgets, and co-location fees — with real figures from a live market-making deployment — to help founders decide whether to self-host or use a managed provider at their current PnL level.

Oct 10, 2025·5 min read

Polymarket Conditional Token Framework: A Technical Deep Dive

Polymarket's positions are ERC-1155 conditional tokens minted via Gnosis's CTF contract on Polygon. This deep dive explains how conditions, partitions, and the CTF Exchange contract underpin every trade, resolution, and redemption on the platform.