HRV & Trading

HRV predicted 45%
of a trader's P&L.

Your body is the last unoptimized input in your trading system. Recovery score predicts performance. Low HRV means worse risk assessment. Body Agent knows when you should sit out.

Peer-reviewed evidence

45%

of a trader's P&L predicted by HRV and heartbeat awareness. 60% of career survival.

Kandasamy et al., Nature Scientific Reports, 2016

-0.14%

drop in stock returns for every 1% increase in sleep difficulty.

NBER Working Paper, “Trading in Twilight”

Reckless optimism

Sleep deprivation shifts the brain from loss-avoidance to gain-seeking — reckless optimism under risk.

Venkatraman et al., Journal of Neuroscience, 2011

Higher HRV = better decisions

Higher heart rate variability predicts better decisions under risk and uncertainty.

Forte et al., Applied Cognitive Psychology, 2022

Decision fatigue is a P&L problem

Your worst trading days have a pattern. It starts the night before.

Body Agent pulls your WHOOP or Oura data and correlates it with your trading outcomes. Which sleep patterns precede your winning days? What recovery threshold separates green from red? Then it acts on it — automatically.

Your trading day, built around cognitive peaks

Recovery 38% after a late night. The agent protects your morning and delays active trading.

Your calendarBefore
6:30
Pre-market prep
7:30
9:30
Market open
11:00
12:00
1:00
2:00
4:00
Market close
With Body AgentRecovery 38%
6:30
Recovery hold
7:30
Walk + sunlight
9:30
Market open (watch only)
11:00
Light reviewmoved
12:00
Meditation
1:00
Active tradingmoved
2:00
Stretching
4:00
Market close

What the agent does for traders

Sit-out warnings

Recovery below your threshold? The bot warns you before you open a position. Historically your worst days cluster here.

Peak cognitive scheduling

Schedules deep trading sessions when your HRV and recovery predict peak focus. Pushes admin and review to off-peak hours.

P&L correlation

Track daily P&L alongside health metrics. See the pattern over weeks — which recovery levels produce green days, which produce red.

Session management

Mid-session check-ins on focus. Walk breaks scheduled when attention drifts. Your best sessions this month were under 3 hours.

What a low recovery warning looks like

Low recovery warning
Recovery 38%. HRV 22ms. Sleep 4.8h.
Historically your worst trading days. Consider reducing position sizes or sitting out the open.
yeah I feel it. watch only today
Smart. Blocked active trading. Scheduled light review at 11 and a walk at 9:30.
If you'd sat out your last 5 sub-40% days: net +$3,200 better. The edge is knowing when not to trade.

Your body is your trading edge.

You optimize entries, exits, and risk. This is the variable you're ignoring.