Structurally Right, Path Wrong: A Post-Strike Review of Our Iran Thesis
Our January base case held directionally. The path to get there was more violent than expected. Here’s what the framework got right, what it missed, and what to watch next.
Key Takeaways:
The 2/28 U.S.-Israel joint airstrikes on Iran function as a base-case catalyst. No ground forces, politically targeted strikes, and pre-coordinated messaging all point to accelerated regime pressure rather than occupation.
The January framework’s structural logic (U.S. preference for controlled internal restructure, Trump as transactional actor, China’s second-order optionality loss) survived intact. The path assumption (gradual economic strangulation) did not.
Biggest miss: overconfidence in the “very low” probability tag on the Risk Case. The scale of military action far exceeded “limited response.” Labeling a scenario “very low” without documenting why you lack visibility into that range is overconfidence dressed as judgment.
The real verdict comes in 2 to 4 weeks. Watchlist 2.0 tracks four signals: Strait of Hormuz status, Iranian retaliation scope, IRGC internal fracture indicators, and speed of return to the negotiation table.
Direction is roughly 30% of the job. Surviving until proven right is the other 70%. That is what a fault-tolerant framework is for.
In January, I published a probability-weighted framework for Iran’s regime dynamics and cross-asset implications: Why Markets May Be Mispricing Iran. Six weeks later, the U.S. and Israel launched joint airstrikes on Iran. This is the post-mortem.
Structurally right. Path wrong. The base case held, but the catalyst was more violent than expected.
On February 28, the U.S. and Israel launched large-scale coordinated airstrikes across multiple Iranian cities. Israel declared a national state of emergency. Iran closed its airspace. Reporting suggests planners designed the operation as multi-day in scope, focused on missile infrastructure and IRGC-linked targets.
My January memo did not anticipate this path. A framework’s value lies in whether its structural logic still guides risk management when the path deviates. That is what this review is about: what held, what broke, and what comes next.
What the Framework Got Right
Three structural calls from the January memo can be tested against what actually happened.
U.S. preference for internal restructure: directionally correct. On February 13, Trump stated that overthrowing the Iranian regime “might be the best outcome.” Post-strike, Netanyahu explicitly framed the operation as creating conditions “for the brave people of Iran to take control of their own destiny.” Trump called on Iranians to “take over your government.” The language is explicit: direct messaging to IRGC insiders. The January base case (Washington prefers a controlled internal transition over occupation) still holds as the organizing logic, even though the path to get there changed.
Trump as transactional actor: precise. On February 20, he floated “limited military strikes to pressure nuclear negotiations.” On February 27, he said regime change “may or may not happen.” On February 28, strikes commenced. The decision sequence is transaction-driven. The path is unpredictable. The motivational structure is stable. Exactly what the January framework described.
China’s second-order optionality loss: ahead of the market. The January memo’s Section 6 argued that Iran regime change would compress China’s energy supply optionality. In February, the Atlantic Council published analysis reaching the same conclusion: regime change in Iran, combined with the Venezuela situation, could severely damage China’s energy security by eliminating its access to significantly discounted oil imports. This is essentially an institutional-grade restatement of my “supplier concentration risk” thesis.
What the Framework Got Wrong
This section must be longer than the previous one. A post-mortem earns credibility by reporting errors with the same precision as wins.
The path assumption was the largest miss. The January base case assumed a gradual, low-violence catalyst sequence: cut financial flows, let internal pressure accumulate, wait for IRGC pragmatists to force a negotiated transition. Reality delivered military strikes combined with regime-change rhetoric, using external violence to accelerate internal pressure directly.
Washington did not have the patience to wait for implosion. Looking back, there was a critical variable that had not fully materialized when I wrote the January memo. Starting December 28, 2025, Iran experienced its largest nationwide protests since the 1979 revolution. What began with bazaar merchants in Tehran spread to hundreds of cities across multiple provinces (per Reuters and Persian-language sources). After the government imposed near-total internet blackout on January 8, security forces opened fire on crowds. Trump cited casualty figures in the tens of thousands during a February 27 briefing; leaked Iranian Health Ministry estimates were in a similar range, though no independent third-party confirmation exists. Regardless of the precise number, the crackdown’s scale clearly crossed the threshold that changed Washington’s decision calculus. Domestic moral pressure accelerated the timeline.
Risk Case probability was severely underestimated. The January memo tagged “full U.S. invasion” as “very low.” While the 2/28 strikes are not an Iraq-style ground occupation, the reported scope and duration far exceeded what I assumed under “limited response.” The “very low” label was overconfident. A probability distribution should express “I lack visibility into this range.” Mine expressed false certainty instead. This is the most important lesson from this review.
Israel’s role: the biggest single-variable miss. My model assumed Israel would stay quiet during a U.S.-led internal restructure, giving space. This assumption ignored two things. First, Israel has its own independent security calculus, especially the closing time-window on Iran’s nuclear program. Second, Netanyahu faces domestic political pressure and election timing uncertainty; a hard line on Iran carries domestic political upside. Instead of silence, Israel co-initiated the strikes.
The root cause: over-reliance on the rational actor model. This is the deepest epistemological issue. The framework assumed all parties would choose the lowest-cost path. But in geopolitics, “rational” depends on the constraints each decision-maker faces, and those constraints (protest scale, election timing, intelligence assessments) are often opaque to outside observers. The three decision-point deviations summarize as follows:
DP1 (Catalyst assumption): I assumed gradual economic pressure. Reality was airstrikes. Source of deviation: underestimated how nationwide protests accelerated Washington’s timeline.
DP2 (Israel’s role): I assumed quiet cooperation. Reality was co-belligerency. Source of deviation: ignored Israel’s independent security interests and Netanyahu’s electoral pressure.
DP3 (Risk Case calibration): I tagged “very low.” Reality showed military action far exceeding expected scale.
The Airstrike Is a Catalyst, Not a Conclusion
Whether these strikes qualify as a “catalyst” or a “Risk Case realization” depends on three variables.
The instinctive reaction to airstrikes is “Risk Case realized.” Look at the strike structure more carefully. That conclusion is premature.
No ground forces. This is the single most important variable separating “catalyst” from “full-scale war.” NPR cited informed sources indicating the operation was expected to last days, with Israeli military focusing on Iran’s missile program. This is an air campaign. No ground component.
Target selection is itself a political message. The strike pattern targeted IRGC power infrastructure, sending a clear signal: your core assets are reachable. This reads as political signaling designed to accelerate internal fracture.
The scale of U.S.-Israel coordination does not look improvised. Multi-city synchronized strikes, highly aligned rhetoric from both leaders (both pointing toward “creating conditions for the Iranian people”), and the depth of operational coordination suggest planning that began weeks or months before execution.
Reframing within the January framework: my original base case assumed the catalyst would be “cut financial flows, let internal pressure accumulate, wait for soft coup.” The actual catalyst is “cut financial flows plus military strikes, accelerate internal pressure, wait for internal response.” Different path. Potentially the same destination.
Now consider Iran’s option space. Blocking the Strait of Hormuz is a suicidal move in game-theoretic terms. A significant share of global oil transits the Strait. Blockade would instantly transform Iran from “the attacked party” into “global enemy number one,” reducing the political cost of full U.S. military engagement to zero. From a capability standpoint, U.S. naval and air assets deployed in the Persian Gulf operate at a scale Iran’s navy cannot match.
Iran’s rational choice is retaliation that is “face-saving” but “controllable”: fire enough missiles to let domestic audiences believe “we hit back,” without crossing the red line that triggers full American escalation. The 2020 precedent supports this reading. After the Soleimani assassination, Iran launched ballistic missiles at Al-Asad Air Base in Iraq, causing damage but zero U.S. fatalities, and both sides quietly de-escalated within days. The pattern was: visible strike, limited damage, off-ramp preserved.
But “rational choice” is exactly the assumption I criticized in the previous section. If Iranian retaliation exceeds the controllable range, the analysis above needs to be rewritten entirely. This is why the next 2 to 4 weeks are the real verification window.
Watchlist 1.0 Scorecard
The January watchlist has completed its mission. Here is the final scorecard.
Signal January View Feb 28 Reality Verdict Washington adopts “Iranian people deserve better leaders” language Expected as gradual rhetorical shift Trump and Netanyahu both used explicit regime-change framing post-strike ✅ Hit Shadow fleet sanctions intensify, financial flow cutoff accelerates Expected continued OFAC escalation OFAC issued multiple rounds (12/18, 1/23, 2/25) covering hundreds of entities; Feb 6 executive order created tariff mechanism against Iran trade partners ✅ Hit IRGC senior leadership goes quiet or disappears from public view Expected as early fracture signal IRGC led protest crackdown; no confirmed public fracture signals; internet blackout makes external assessment unreliable ⚠️ Insufficient data Israel maintains “unusual silence” Expected quiet cooperation with U.S.-led internal restructure Israel was co-initiator of airstrikes; framed as “preemptive” action ❌ Miss
Bonus hit (outside watchlist): China’s optionality compression. The Atlantic Council’s February analysis on Iran regime change threatening China’s discounted oil supply aligns with the January memo’s Section 6 thesis.
Watchlist 2.0: What to Monitor Next
Four signals for the next 2 to 4 weeks. Each is framed as a conditional branch.
Signal 1: Strait of Hormuz status. If maritime traffic continues normally, this supports the “catalyst” interpretation and the base case remains intact. If substantive blockade or shipping disruption occurs, the base case fails. Oil prices and risk premium pricing logic would require full reassessment.
Signal 2: Iranian retaliation scope and target selection. Three possible target categories carry very different implications. Limited missiles at Israel: conflict has a path to convergence within weeks. Strikes on U.S. military bases: escalatory but potentially containable. Attacks on Gulf state energy infrastructure: full escalation, and the “catalyst” framing no longer applies. If retaliation stays within the first two categories, base case tracking continues. If it reaches the third, exit the framework.
Signal 3: IRGC internal fracture indicators. Senior defections, public breaks with the clerical establishment, or regional commanders refusing orders. This is the core verification point for the base case, and also the hardest to assess from public information. Patience required. Skepticism equally required.
Signal 4: Speed of return to the negotiation table. If ceasefire signals or public discussion of a negotiation framework emerge within two weeks of the strikes, this supports the “catalyst” reading. If strikes continue escalating beyond four weeks, or any sign of ground force deployment appears, the base case should be abandoned.
Invalidation trigger (hard stop): Ground forces deployed, Strait blockade confirmed, or conflict spiral continues beyond 4 weeks without convergence. Any one of these triggers a full reassessment.
Updated Probability Distribution
Scenario January Estimate Post-Strike Update Rationale Base Case (controlled internal transition, no occupation) ~60% ~50% Structural logic intact; path more violent than expected; catalyst interpretation requires 2-4 week verification. Near-term de-escalation remains possible but depends entirely on retaliation scope; if so, it accelerates the base case timeline rather than constituting a separate scenario. Risk Case (sustained military conflict, no full invasion) Very low ~30% January’s “very low” was overconfident; strike scale exceeded assumptions; escalation path remains open Tail Case (full ground invasion / regional war) ~5% ~10% Still unlikely given no ground forces, but retaliation dynamics and coalition politics introduce non-trivial escalation risk
These are subjective Bayesian estimates: I re-weighted the January priors based on the observed strike scope, the absence of ground forces, and the gap between my path assumptions and realized events. They are judgment calls, stated as probability ranges rather than model outputs. They will shift as the four watchlist signals produce data over the next 2 to 4 weeks.
Cross-Asset Transmission: Still Intact, Timeline Extended
If the base case holds and internal transition materializes over the coming months, the January thesis on mid-term oil repricing remains directionally intact—though the timeline has extended by the duration of the military phase. Short-term supply disruption risk is elevated while strikes continue and retaliation scope is unknown. But the transmission logic (oil supply normalization → lower inflation expectations → rates path repricing) has not been invalidated, only delayed. The key variable is Strait of Hormuz status: if maritime flows hold, the January cross-asset framework survives with a time-shift; if they don’t, the entire chain needs to be re-priced from the first link.
Closing
Direction is roughly 30% of the job. Surviving until proven right is the other 70%. A fault-tolerant framework does not promise you will be right about the path. It promises that when the path deviates, your system still gives you time and room to adjust instead of forcing you out at the worst possible moment.
I will continue tracking the four Watchlist 2.0 signals. If material changes emerge, I will publish a follow-up.
Kuan, Founder & CIO, Miyama Capital
Sources: NPR: 2/28 U.S.-Israel joint airstrikes on Iran (operation scope and target reporting). Reuters: Iran protest coverage (Dec 2025 to Jan 2026); post-strike reporting. IDF official statement: 2/28 strike operation announcement. U.S. Treasury OFAC: Sanctions announcements (12/18/2025, 1/23/2026, 2/25/2026). White House: Executive order 2/6/2026 (Iran-related tariff mechanism); press briefing 2/27/2026 (Trump remarks). Atlantic Council: February 2026 analysis on Iran regime change and China energy security implications. Trump public statements: 2/13 (regime change), 2/20 (limited strikes), 2/27 (protest casualties), 2/28 (call to Iranian people).
Event descriptions are based on publicly available information at time of writing. The situation remains fluid. Cross-reference with the latest reporting.
This memo reflects my personal macro views and research notes. It is not investment advice, solicitation, or a recommendation to buy or sell any security. The geopolitical scenarios described (Base / Risk / Tail Cases) are logic-driven frameworks based on public information and may not reflect actual future developments. Energy markets and financial assets are subject to high volatility and multiple variables. The author and Miyama Capital may hold positions in related assets (including but not limited to U.S. Treasuries, energy futures, and related ETFs) and may adjust positions at any time without notice. Please think independently and consult your financial advisor before making any investment decision. Past analytical accuracy does not guarantee future results.

