DEV Community: CryptoMoonday

Temporal Arbitrage: Exploiting Price Lags Between Polymarket and Reality

CryptoMoonday — Mon, 27 Jul 2026 12:44:34 +0000

News breaks. Spot prices move.
Polymarket lags for a few seconds to a few minutes.

My bot monitors external data feeds and Polymarket order books in parallel. When a confirmed event has already moved the true probability but the market hasn’t caught up, it jumps in.

This works on crypto 15-minute markets and politics/sports/news markets. Speed + clean data = one of the highest-edge strategies in the $130k profit journey.

https://github.com/cryptomoonday/polymarket-arbitrage-bot

Legged Arbitrage on Polymarket: Buying Cheap Now, Hedging Later

CryptoMoonday — Mon, 27 Jul 2026 12:43:21 +0000

Not every arb opportunity is simultaneous.

My bot uses a “legged” approach: it buys one side when it’s heavily underpriced, then waits for market sentiment to shift and buys the other side later for a total cost under $1.00.

This strategy shines in volatile non-crypto markets (elections, sports playoffs, news-driven events). Careful inventory and timing controls turned it into a consistent contributor to the bot’s $130k+ track record.

The sample source is in https://github.com/cryptomoonday/polymarket-arbitrage-bot

Cross-Market Logical Arbitrage: The Strategy That Quietly Printed Money on Polymarket

CryptoMoonday — Mon, 27 Jul 2026 11:01:16 +0000

Single-market arb is getting harder.
Multi-market logical arbitrage is where the real edge lives.

My bot maps relationships between correlated markets (e.g., “Candidate A wins” vs “Party wins”, or sports tournament paths) and flags impossible pricing combinations.

It then executes multi-leg trades that are mathematically guaranteed or heavily positive EV.

This approach works across politics, sports, and world events — not just crypto. It’s a big reason the bot crossed $130k in realized profits.

How My Polymarket Arbitrage Bot Made $130k+ Using Simple YES + NO Mispricing

CryptoMoonday — Mon, 27 Jul 2026 10:58:20 +0000

Most people think Polymarket arbitrage is dead. They’re wrong. My bot continuously scans hundreds of markets (politics, sports, crypto, geopolitics, culture) looking for the classic inefficiency: YES + NO price summing to less than $1.00. When it finds one, it buys both sides instantly. This pure risk-free strategy has been one of the core engines behind the bot’s $130k+ profit. Even after fees and competition, small edges still appear every day if you have speed and capital.

I’ll break down the exact logic and risk controls in this post.