aryan :)

Project writeups

Longer notes on things I’ve built, with the numbers and the parts that didn’t work.

Event-study charts of a simulated economy after a +500bp rate peg: stock index, price-to-value gap, population and money supply against baseline

october 2026 · 6 min

RL Trading Swarm

A closed simulated economy with an evolving population of neural-net traders, a central bank and a treasury. It passes most stylized-fact checks, responds to rate shocks with measurable effects, and a PPO agent beats every baseline.

 The model's probability for an NFL team-total contract plotted against Kalshi's bid, ask and mid through a game

october 2026 · 7 min

Football greeks

Simulating NFL games snap by snap to price yardage contracts and their Greeks, then testing against Kalshi. There may be an edge on thin team-total books; on liquid player props the market wins.

 HospitalGym's 3D view of a simulated emergency department

october 2026 · 7 min

HospitalGym

An emergency department rebuilt from public data, calibrated to the hospital’s published figures, and searched for better staffing plans. A tuned plan cut simulated waits 17% at lower labor cost; PPO didn’t beat it.

 A Poscere visit with a synthetic patient on a video call and a chart beside it

october 2026 · 6 min

Poscere

Virtual patients for health-professions students, where code decides which facts the AI patient may reveal, every reply is audited against the case, and feedback quotes the transcript.

 Bar chart of marked versus true gain from teammate wash trading under different marking and self-trade rules

october 2026 · 5 min

KnightGym

An RL environment on the Rutgers trading competition’s matching engine, and an audit of its reward: two teammate bots can inflate marked equity by $1,077 an episode while losing money.