Convexitas
The expression layer · direction into option structure

Where a direction becomes a position.

The layers above form a view. This one expresses it — translating a direction into an option structure, and in doing so giving the book a shape the underlying alone cannot.

Identity 01 · Directional expression

It expresses a view — in either direction.

When an upstream layer forms a directional read on a name, this layer carries it out as an option position rather than a share position. The view can point up or down: a long call to express strength, a long put to express weakness. The direction is the input; the structure is how it is held.

Expressing a downward view is the part share-only books handle poorly. The case below is a put — a bearish direction, held as an option — and it shows the layer can express the short side as cleanly as the long.

Convexitas · Directional caseORCL · long put2026-06-29 → 07-13 · paper

A bearish read on ORCL, held as a put.

The system formed a downward view on ORCL and expressed it as a long put — a position that gains as the name falls. The direction was right, and the structure carried it: the put appreciated as ORCL weakened, then closed on its exit rule.

It stands here for one thing only — that the expression layer can voice the short side, not just the long.

Intraday peak
+55.9%
mark-to-market high · not booked
Realized
+$730
closed on exit rule
Identity 02 · Portfolio hedge

The same tool can protect the book.

Beyond expressing a view, these option positions can act as insurance for the wider portfolio.

The reason is how an option behaves. A share moves one-for-one with its name — if it falls, the book falls with it. An option is different: what it can lose is capped at its cost, while what it can gain gets disproportionately larger the harder the market falls. That asymmetry — cheap to hold, outsized when things break — is what makes it a hedge.

Held deliberately alongside the rest of the book, these positions cost little in calm markets and pay off when a sharp drawdown hits — offsetting losses elsewhere instead of adding to them. This is a property of the instrument, described here as a mechanism, not a performance claim.

This layer has been live for under a month. The observable data and its stability are still being validated — no conclusion can be drawn about its performance at this stage. What you have read is a single directional-expression case and the layer's mechanism, not a performance claim.