
Arena Blog
Data-driven insights on trading strategies, backtests, and market analysis.
We Just Shipped an API That Charges $0.01 Per Call — In USDC, On-Chain, No Account
Phase 4 is live: the same Bitcoin cycle data, on-chain indicators, and aggregated strategy insights now reachable through three channels — REST, MCP, and x402 pay-per-call in USDC on Base. No account required for the third. An AI agent gets HTTP 402, signs a USDC authorization, retries, and has the data three seconds later. What's actually live, why we built it this way, and the Coinbase detour that cost us a day.
We're Opening Our API: REST + MCP + (soon) x402
For 18 months we've been quietly building Backtesting Arena — a platform where 500+ users have run 10,000+ backtests across Bitcoin, stocks, ETFs, commodities, and forex. Daily cycle scores, on-chain indicators, sentiment dashboards, strategy insights. All powered by the same data layer that's been running on a private quasi-API.
AI Agents and Crypto Payments: Where This Is Really Heading
This is the crypto-rail deep-dive companion to our earlier piece [AI and the Future of Payment Systems](https://tradingstrategies.work/blog/ai-future-of-payment-systems-2026), which covered the broader fintech picture including Visa Intelligent Commerce and Mastercard Agent Pay. Here we zoom in on what's happening on the crypto layer specifically.
Why QT Is Over — and What It Means for US Treasuries
The Fed looks trapped: fight inflation with high rates, or refinance the debt cheaply. But it already resolved part of that bind — by decoupling its tools. A methodical read on what this means for Treasuries.
BIP-110 Chain-Split Fears: What's Really at Stake on August 7 — and What Isn't
"Bitcoin splits in August because miners disagree." The date is roughly right, the mechanism in that sentence isn't. What BIP-110 actually triggers — and what it doesn't.
Is Crypto Safe? Why Crypto Looks Less Secure Than It Is
The "hacked again" reflex is wrong. What the Polymarket case actually shows — and the two places where crypto genuinely is harder.
40,000 Backtests — What the Data Says Now (and What Changed Since 10k)
Five weeks ago it was 10,000 backtests; today it's over 40,000. With 4x the data, the "beats Buy & Hold" rate falls from 64% to 52%, four in five runs land below 50% win rate, and one memecoin still holds its 197,923% record. What selection bias does to sample size — on real numbers.
Option vs. Annuity Machine: Two Ways to Be Invested in the Same AI-Healthcare Sector
"Invested in AI healthcare" can mean two almost opposite things. Two real companies show it: an annuity machine with ~86% recurring revenue — and an option with not a single approved drug. Same label, opposite risk DNA.
Why SMC Indicators Look Better Than They Backtest
A smart-money indicator paints clean zones that price seems to respect. Backtest it honestly and the magic fades. The reason is mechanical — repainting and vanished losers — not your skill.
Why the same strategy crushes crypto and bombs the S&P 500
We ran the same RSI/SMA crossover across the top 50 coins and the top 50 US stocks — identical rules, identical window. On crypto it beats the buy-and-hold benchmark 80 % of the time; on stocks, 4 %. Why a trend-following strategy works in one market and bleeds in the other.
Don't miss new blog posts
One short email per new post — strategies, backtests, market analysis. No spam, unsubscribe with one click anytime.
By subscribing you accept our privacy policy. We use Resend for delivery. Double opt-in confirmation required.