What if a masons' strike halts the rollout of bricklaying robots?
A localized mason strike halting SAM bricklayers is a headline, not a macro shock; homebuilders see marginal schedule slippage but the S&P barely notices. Rhymes with periodic UAW/construction-trade walkouts (2023 UAW) that dented affected names without moving the index. Net: fade the broad-market read; any tradable impulse is in single-name homebuilders, not Nasdaq beta.
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The butterfly cascade
How this trigger trickles across markets, left → right — the root shock, its first‑order moves, then the ripple effects. Drag any node; tap a market for its real price history.
Resolution timeline — how this probability is moving
Our model's odds (electric blue) over time vs the market's (Polymarket, amber), from the past toward the 0–6 months horizon. Each dot is a real macro event that nudged the probability — green pushed it up, red pushed it down. Tap a dot for the source. Loading the probability audit trail…
What it would mean
If this plays out, it is a risk-off shock. Union halts adoption of SAM bricklaying robots as masons strike, delaying major commercial projects nationwide. The trigger decomposes into signed root‑shocks — Job displacement ▲ · Labor shortage ▲ — which propagate through our causal graph to the markets below.