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How a Vibecoded Newsletter Is Making the Hay Market More Transparent

The hay market is not a transparent market: It is very fractured by types of hay, whether it is alfalfa or clover hay. There are a few opaque, illiquid markets like this — scrap metal for instance — that require some hands-on investigating to figure out. Aiden Johnson is co-founder and CEO of the Ha

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Bloomberg HostAiden Johnson Guest

Topics Discussed

Episode Summary

Executive Summary: The episode explores hay as an opaque but economically important commodity market and profiles Haywire, a startup founded by Aiden Johnson that uses USDA data, auction-house intel, and AI to turn fragmented hay pricing into plain-English newsletters and a benchmark layer. The conversation highlights regional price variation, drought-driven volatility, and potential downstream effects on horse owners, dairies, and land use.

Main Topics: Haywire’s business model and data pipeline (Priority: 5/5): Aiden explains that Haywire aggregates public USDA reports, direct auction-house data, and ground-level market intel, then uses AI and verification steps to produce accessible newsletters and pricing insights. Hay market opacity and fragmentation (Priority: 5/5): The hosts emphasize that hay is unusually nontransparent and segmented by type, quality, and region, making it hard for buyers and sellers to know a true benchmark price. Regional pricing, drought, and transportation costs (Priority: 5/5): Prices vary sharply by region because hay is costly to transport and weather conditions like drought affect supply and quality unevenly across the country. Second-order effects on livestock owners and agriculture (Priority: 4/5): Rising hay prices are affecting horse boarding, sanctuaries, and dairy rationing, while also influencing how ranchers time purchases and stockpile supply. AI-enabled niche data businesses (Priority: 4/5): The discussion frames Haywire as an example of a new business made viable by AI, vibe coding, and automation that lower the cost of gathering and packaging public data. Land use competition and future opportunities (Priority: 3/5): The conversation broadens to competing uses for farmland, including hay production, solar panels, conservation programs, and even data centers, showing pressures on agricultural land.

Key Arguments: Hay is a fragmented market with many subtypes and local pricing dynamics, so a single national price is less useful than regional benchmarks. Public USDA PDFs contain useful hay price and quality data, but the information is buried and needs to be parsed into accessible formats. Auction houses provide valuable live-market signals that help bridge the gap between official reports and real-time market conditions. Drought in the western U.S. is tightening supply and contributing to price spikes, with possible spillover demand into other regions. Transport costs are high enough that hay markets remain highly local; shipping can exceed the value of the hay itself. Higher hay prices directly affect horse owners, dairies, and ranchers, changing feed costs, rations, and stocking decisions. AI and automation make it feasible for a small team to build a valuable data product around a niche commodity market that would have been too labor-intensive before. Transparency tends to compress middleman margins because brokers benefit most when buyers and sellers lack clear price information.

Data Points: Hay price, April: $180 per ton - USDA NASS average cited by Aiden Johnson during the discussion Monthly change in hay price: Up $167 from March - Host cites USDA data while discussing recent hay price movement Alfalfa price, April: $185 per ton - USDA NASS average cited for alfalfa hay Alfalfa monthly change: Up from $175 in March - Comparison of alfalfa prices month over month Western U.S. alfalfa acreage in drought: 46% - Aiden notes drought stress across western alfalfa acreage Hay acreage in the U.S.: 49 to 50 million acres - Aiden estimates overall hay acreage nationwide Alfalfa production value: $8 billion per year - Aiden describes alfalfa as the fourth most valuable crop Google data center size: 482 acres - Aiden mentions a planned data center near his location as a land-use example Hay transportation cost: $5 to $8 per mile - Aiden says brokers/dealers may charge this range to ship hay Haywire subscription price: $14 per month - Joe references the pro version of Haywire’s newsletter Founding member price increase: $17 per month after June 30 - Mentioned near the end of the episode

Pivotal Quotes: "Find a piece of public data that exists, that is out there, that is consumable for free, that nobody is regularly looking at, gather it, become the central repository for it, and then occasionally comment on it." — Joe Weisenthal: Describing the Haywire model as a broader career/business strategy "The Bloomberg for Hay." — Aiden Johnson: Aiden’s original motto for Haywire, capturing its ambition to become the benchmark information layer "The middleman will always feel the out or the outcomes of more transparency because they're the ones making deals, especially in the hay market, kind of blindly and kind of just guessing." — Aiden Johnson: Explaining who loses when hay pricing becomes more transparent

Implications: The episode suggests niche commodity markets can be transformed by low-cost data collection and AI, creating new benchmarks, better pricing, and potential hedging products. It also signals that climate volatility and land-use competition will keep agricultural markets in flux.

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About Odd Lots

Bloomberg's Joe Weisenthal and Tracy Alloway analyze the weird patterns, the complex issues and the newest market crazes. Join the conversation every Tuesday and Thursday for interviews with the most interesting minds in finance, economics and markets.

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