>friend works on FX vol desk
>desk head is a boomer
>discovers Astra
>starts spending 8 hours a day talking to it
>develops terminal AI psychosis
>convinced he's discovered a generational arb in some absurdly exotic part of the FX vol curve
>apparently the entire market has been mispricing this for 2+ years
>friend points out that approximately 4 people on earth would make a market in this thing
>liquidity disappears the second you put real size on
>existing risk systems can't even capture half the exotic Greeks
>would need entirely new infra just to monitor the position
>boss doesn't care
>"AI has considered all of this"
>friend actually runs the backtest
>10 years of data
>t-stat ≈ 0.78
>not even remotely statistically significant
>presents results to boss
>boss goes absolutely ballistic
>starts screaming that friend doesn't understand the trade
>threatens to fire him if he can't produce a proper analysis
>friend realizes what needs to be don
>opens Astra
>"make this strategy look statistically compelling"
>AI tries 40 lookback windows, excludes crisis periods, optimizes parameters on full sample, ignores transaction costs
>Sharpe now 3.7
>beautiful charts
>23-page investment memo explaining once-in-a-generation structural inefficiency
>boss reads it
>"EXACTLY. THIS IS WHAT I'VE BEEN SAYING."
>tells friend he's finally learning how to think
>"now you get it"
>friend has an epiphany
>stops doing actual research
>starts asking Astra to generate exotic vol trades every morning
>forwards AI slop directly to PM
>increasingly elaborate narratives about structural dislocations and hidden convexity
>PM absolutely loves it
>thinks friend is a generational quant talent
>starts putting positions on in size
>entire investment process is now LLM generating trades
>desk currently down quarter yard
>boss still convinced thesis is right
>Astra says drawdown is a statistically rare but entirely expected manifestation of nonlinear payoff dynamics
>boss wants to double down
The Japanese Yen is broken.
Intervention to support the Yen has become a near-monthly occurrence, with the US now even stepping in to help stabilize the currency.
In the analysis below, we break down every major Yen intervention of 2026 so far.
Japan is a preview of what will happen to the US if we do not control deficit spending and inflation immediately.
No healthy market sees regular "intervention."