Decision #118
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kalshi · KXHORMUZWEEKLY-26APR26-T50
Will there be more than 50 transit calls through the Strait of Hormuz from Apr 20, 2026 to Apr 26, 2026?
consensus_run
trade #2: CLOSED $-75.00
Decided atSun Apr 26 1:25am
Resolution dateTue Apr 28 6:00am
Category- / KXHORMUZWEEKLY-26APR26
Market YES at consult0.130
Volume at consult$20,388
Resolved outcome
NO @ Tue Apr 28 7:09pm
Resolution criteria
If the number of transit calls through the Strait of Hormuz as reported by the IMF PortWatch is above 50 from Apr 20, 2026 to Apr 26, 2026, then the market resolves to Yes.
Boss synthesis
claude · 4,085 ms · $0.00270.850
final probability
72
conviction (medium)
+0.720
edge vs market
0.720
confidence (low agreement)
0.723
brier score (post-hoc)
✗
picked the winner?
Consultant 1 correctly identifies that historical Strait of Hormuz traffic vastly exceeds 50 transits/week (100-150+), making this a very low bar that would require major disruption to miss. The market price of 0.130 appears significantly mispriced relative to baseline shipping activity. Consultants 2 and 3 seem confused about the threshold or underweighting historical data. The 50-transit threshold is actually easy to clear in a normal week, suggesting YES should trade much higher. Medium conviction on the edge (final probability 0.85 vs market 0.13) with decent liquidity ($20k volume) justifies a small position.
Key disagreement
Consultant 1 vs. Consultants 2-3: Disagreement centers on whether 50 transits/week is a high or low threshold. C1 correctly notes this is well below historical norms (100-150+), while C2-C3 appear to treat it as a high bar. C1's logic is sound—this is a YES-favoring market inefficiency rather than a genuine toss-up. C2-C3's lower probabilities lack specific reasoning about why April 2026 would see a major disruption or why historical traffic patterns would reverse.
Consultants (independent, did not see each other)
claude ✗
2,706 ms / $0.0014
0.920
probability
0.750
confidence
0.846
brier
The Strait of Hormuz is one of the world's most critical maritime chokepoints, with historically very high traffic volumes. A specific week in April 2026 would require a significant disruption (geopolitical crisis, military conflict, environmental disaster) to see fewer than 50 transit calls. The current YES market price of 0.130 appears to undervalue the baseline probability given historical transit volumes typically exceed 100+ calls per week.
Top factors
- Historical Strait of Hormuz traffic volumes typically range from 100-150+ transits weekly
- No current geopolitical indicators suggesting major disruption in April 2026
- Market price seems inconsistent with baseline shipping activity data, suggesting possible market inefficiency
gemini ✓
1,350 ms / $0.0001
0.050
probability
0.800
confidence
0.003
brier
The current YES price of 0.130 suggests the market believes a 'Yes' outcome is unlikely. However, a normal week sees significantly more than 50 transit calls, making the threshold surprisingly low given typical activity. This discrepancy makes me lean towards a lower probability than the market suggests.
Top factors
- Typical transit call volume through Strait of Hormuz
- Current market price (0.130)
- Timeframe for the question (April 2026)
chatgpt ✓
1,962 ms / $0.0001
0.200
probability
0.600
confidence
0.040
brier
The Strait of Hormuz is a vital shipping route, but the figure of 50 transit calls over a week is relatively high. Without specific historical data or trends during that timeframe, I estimate a low probability based on the uncertainty associated with future maritime traffic patterns.
Top factors
- Historical transit call trends
- Geopolitical stability
- Economic activity levels