speed

PLASMODIUM

phase 3 · loading…
fps · agents
9k
.91
backend: …

PLASMODIUM

Physarum mercatum — the market plasmodium
class Mycetozoa · one body, eleven organs · grown 1998 – present · observed through glass, a quarter-hour late

Behind this glass lives a single organism with no brain, no center, and no plan. It is not a picture of the market; it is the market given a body — one continuous sheet of protoplasm grown from twenty-seven years of weather, and still breathing, a quarter-hour behind the present.

what you're looking at — the body is grown from the daily record of the eleven SPDR sector ETFs, December 1998 to this morning, then continued on a delayed-live feed (~15 min on free data).

Anatomy

It has eleven organs. Nine are ancient — present since the creature first congealed in the winter of 1998. Two are young: they budded late and differentiated in plain sight, one in the autumn of 2015, one in 2018, and if you watch the genesis you can still catch the moment each grows in. Between the organs run veins. No one draws them. They are simply where the traffic goes — thousands of blind foragers shuttling toward whatever organ smells richest, packing their shared routes into bright channels and letting the rest starve and fade. When appetite drifts from one organ to another, the whole body re-plumbs itself.

the eleven organs are the eleven GICS sectors; the two young ones are Real Estate and Communication Services. Veins emerge from a Jones-model agent simulation — vein thickness tracks each sector's relative strength and inflows. The body literally rerouting itself is sector rotation.

The Umwelt — what it can feel

The creature does not know what money is. Its entire world is four sensations: appetite, the pull toward where it wants to grow; pulse, how hard it is breathing; a fine trembling when the world turns uncertain; and a sense of its own coherence — whether the organs move as one body or fly apart. It has never seen a number, a ticker, or a dollar. It has never read a headline in its life.

its four senses are relative strength (appetite), volume (pulse), volatility (trembling), and cross-sector correlation (coherence). These unitless signals are the only thing the simulation is ever fed — no prices or names reach the body.

Memory

The body is its own memory. Because it grew from the whole record, its present shape is its past: every panic it ever survived is written into it. Old terrors have healed to faint scars; recent ones are still raw and bright. Touch a scar and the record — kept by us, never by the creature — will tell you what frightened it that season, how certain we are, and where we read it.

scars are detected significant shifts — crashes, return shocks, breaks in correlation structure. Each is researched and attributed with sources and a confidence the interpreter fades by age and certainty, so old, uncertain memories literally look faded.

Behavior in the Wild

It forages. It habituates — a shock repeated often enough stops moving it, the thing you'd call "priced in." In a true crash it can harden and go still, a dormant crust waiting out the dark, then soften and resume. And it keeps the calendar's hours: quick and luminous while the market is open, slow and sleeping through nights, weekends, and holidays.

The Observer

You are outside the glass. Everything rendered in words and numbers — the dates, the names, the stories behind the scars — belongs to you, the archaeologist, not to the blind thing in the tank. It only ever felt flows and shocks. The meaning is ours to add, always after the fact.

Place your eye to the glass. Watch it grow from a winter in 1998 to this morning — twenty-seven years in about a minute — and then watch it breathe.