Every ten minutes a job on the server checks 39 stocks, currencies and commodities and asks one question of each: is today's move unusual for this particular thing? This page shows the answer for everything it watched, not just the rare cases that tripped.
Each bar is today's move as a share of that symbol's own alert threshold. A full bar means it fired. Because every symbol is measured against its own normal volatility, a 3% move in a quiet utility can be a bigger deal than a 6% move in a meme stock — the bars are directly comparable even though the percentages are not.
Every breach the watcher has pushed to Discord since logging began.
| When | Symbol | Move | Threshold | σ | Price |
|---|
| Symbol | Class | Price | Move | Threshold | Daily σ | σ of move | Pressure |
|---|
For each symbol the watcher measures the standard deviation of its daily moves over the last 30 trading days — call that σ, its normal daily wobble. It then alerts when today's move since the previous close exceeds 2.5×σ, subject to a minimum floor so that very placid instruments cannot trip on noise.
A 2.5σ day is, by construction, rare — roughly one day in fifty for a given symbol, and real markets cluster their surprises rather than spreading them evenly. With 39 symbols you should expect quiet stretches punctuated by several alerts at once when something actually happens.
Silence is the system working, not failing — which is exactly why this page exists. The bars above show the watcher is looking and how close anything came, so an absence of alerts is visibly different from a broken job.