Cycle II · The Sky · Tale 7

The Fleece in the Stream

A fleece laid in the mountain stream, catching gold
A fleece laid in the mountain stream, catching gold

Long ago a cloud took pity on two children. Nephele, whose body was mist and whose home was the open sky, sent down a ram with a fleece of gold to carry them away from those who meant them harm. The ram rose with them over the sea. The girl slipped from its back and was lost to the waves; the boy held on, and the ram brought him at last to Colchis, at the far eastern edge of the world.

There the ram was offered to Zeus, and its golden fleece was hung in the sacred grove of Ares, where a serpent that never slept coiled around the trunk that held it.

But the people of Colchis knew something the heroes who came hunting for that fleece never understood. The gold had not come from the ram. It had come from the mountains.

High in the Caucasus, where the snow feeds the rivers, there is gold in the water — too fine to see, too scattered to gather by hand, carried down in the current by no one’s plan and at no one’s command. So the Colchians did not chase it. They took ordinary fleeces, the kind any shepherd owns, and laid them in the streams, weighted with stones, and left them there.

Most days the fleece caught nothing but silt. Most seasons, a shepherd lifting it out would find only wet wool. But the river does not ask permission, and it does not keep a schedule. Some spring, after a thaw no one predicted, the water ran heavy through the high places, and when the fleece was raised it shone. The wool had caught what the river carried, grain by grain, because it had been lying there, in the current, when the gold came down.

That was the Golden Fleece. Not a treasure hunted. A net that was already in the water.

The trading concept

Positioning over prediction. Convex opportunities — the rare, outsized moves, the positive Black Swans — arrive like gold in a mountain river: on no schedule anyone can forecast, and in amounts too scattered to chase once they are visible. The only way to catch them is to already be in the current when they pass.

A long, out-of-the-money option is a fleece in the stream. It is cheap, it is ordinary, and most of the time it catches nothing and is lifted out wet and empty. Its value lies entirely in the rare season when the water runs heavy, because its loss is fixed — one fleece — while what it can catch is not.

The discipline is in the laying and the leaving: small, fixed exposures, kept in place patiently through the empty seasons, rather than a large net thrown in after the gold is already glittering downstream.

Its shadow → Hermes at the Crossroads: every fleece lifted from the water passes through the hands of the god of the crossing, and he takes his toll.

Further reading

  • Strabo, Geography, Book 11 — the Colchian practice of catching gold dust in fleeces.
  • Apollonius of Rhodes, Argonautica — the voyage for the Golden Fleece.
  • Apollodorus, Library, 1.9 — Phrixus, Helle and the golden ram.
  • Nassim Nicholas Taleb, The Black Swan and Antifragile — convexity and positive Black Swans.