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Reality update 2026-07-20: Hormuz blockade holds, oil shock hits markets#3

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Reality update 2026-07-20: Hormuz blockade holds, oil shock hits markets#3
north-echo merged 1 commit into
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reality-update/2026-07-20

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@north-echo

@north-echo north-echo commented Jul 20, 2026

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Weekly reality-stream update for the window 2026-07-13 → 2026-07-20. Applied via 21csim apply-reality-updates (validated pipeline; no hand edits). All values passed clamping unchanged.

Dimension changes (old → new)

Dimension Old New Driving news
middle_east_stability 0.18 0.15 US struck Iranian missile/defense sites and reinstated a full naval blockade of Iranian ports (Jul 14, CENTCOM confirmed Jul 15); blockade held all week with no ceasefire, strait traffic sharply reduced.
supply_chain_resilience 0.52 0.48 A major oil chokepoint blockaded for a sustained week; Brent surged +9.59% to $83.30 (highest since Jun 12); Trump proposed a 20% Hormuz transit toll.
global_gdp_growth_modifier 1.03 1.01 First real market transmission of the oil shock — S&P 500 −1.01%, Nasdaq −1.4% on the week; recession odds elevated.
russia_stability 0.29 0.28 Ukraine struck the Salavat refinery (Bashkortostan), Russia's last unhit major gasoline producer, amid a recruitment shortfall (~195k of a 409k annual goal).
conflict_deaths 1,505,500 1,509,000 Sustained US–Iran combat plus the Ukraine and Lebanon fronts add to the cumulative toll.

New nodes

None. This week is a continuation/escalation of the existing 2026_hormuz_crisis node (added last week), not a discrete new event.

Deliberately excluded

  • AI/tech: Continued frontier releases (GPT-5.6 Sol/Terra/Luna, Grok 4.5, Moonshot Kimi K3) are offset by Google delaying Gemini 3.5 Pro and a ~9% semiconductor selloff on AI-valuation fears — no further ai_development_year_offset tick (already moved 4→5 two weeks ago).
  • Climate: European/North American heatwaves (~20k excess deaths) are severe but peaked in the prior window and map to no clean structural dimension.
  • Nuclear: nuclear_risk_level already moved 0.32→0.35 last week; no fresh signaling this week to justify another step.

Sources

🤖 Generated with Claude Code

Generated by Claude Code

@claude
Reality update 2026-07-20: Hormuz blockade holds, oil shock hits markets
ad20263 
Sustained US naval blockade of the Strait of Hormuz drove Brent +9.6% to $83.30 and pulled equities down on the week; folds the oil shock into growth and supply-chain dimensions and continues the Russia-Ukraine grind.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011ghUmDN2F8HA6UcCrfxhit
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Deploying 21csim with  Cloudflare Pages  Cloudflare Pages

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north-echo merged commit c7dfae2 into main Jul 20, 2026
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@north-echo @claude