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Risks and Failure Modes
Folder: Risks-and-Failure-Modes
21 items under this folder.
May 22, 2026
Adverse Selection
market-making
transaction-costs
backtest
markov-decision-process
May 22, 2026
Curse of Dimensionality
markov-decision-process
overfitting-risk
May 22, 2026
Data-Snooping Bias
overfitting-risk
backtest
profitability-claim
out-of-sample
academic-paper
May 22, 2026
First-Order Memory Assumption
markov-chain
model-risk
out-of-sample
May 22, 2026
HMM Parameter Instability
hidden-markov-model
regime-switching
transition-instability
overfitting-risk
out-of-sample
May 22, 2026
Lookahead Bias from Smoothed Regime Estimates
hidden-markov-model
regime-switching
out-of-sample
overfitting-risk
backtest
May 22, 2026
Non-Stationarity
markov-decision-process
out-of-sample
overfitting-risk
May 22, 2026
Non-Stationary Transition Matrix
markov-chain
regime-switching
non-stationarity
overfitting-risk
out-of-sample
May 22, 2026
Overfitting in Quantitative Trading
overfitting-risk
backtest
out-of-sample
profitability-claim
academic-paper
May 22, 2026
Parameter Instability and Estimation Noise
regime-switching
overfitting-risk
out-of-sample
May 22, 2026
Partial Observability
markov-decision-process
overfitting-risk
May 22, 2026
Phantom Gains in Backtests
backtest
transaction-costs
overfitting-risk
market-making
out-of-sample
May 22, 2026
Real-Time Regime Identification Lag
regime-switching
out-of-sample
live-trading
overfitting-risk
May 22, 2026
Regime Misclassification
hidden-markov-model
regime-switching
out-of-sample
overfitting-risk
May 22, 2026
Reward Design Sensitivity
reinforcement-learning
markov-decision-process
overfitting-risk
backtest
May 22, 2026
Reward Specification Error
markov-decision-process
reinforcement-learning
overfitting-risk
model-risk
May 22, 2026
Sim-to-Real Gap
reinforcement-learning
live-trading
backtest
markov-decision-process
transaction-costs
May 22, 2026
State Definition Arbitrariness
markov-chain
model-risk
overfitting-risk
May 22, 2026
State-Count Selection
hidden-markov-model
regime-switching
model-risk
overfitting-risk
out-of-sample
May 22, 2026
State-Space Design
markov-decision-process
overfitting-risk
May 22, 2026
Transaction Costs and Slippage
transaction-costs
backtest
profitability-claim
regime-switching
out-of-sample