AWS Spot Interruption Rates at Historic Low — Under 5% for m5, c5, r5 Families

AWS Spot interruption rates dropped below 5% for m5, c5, r5 instance families across major regions including ap-southeast-1. Low rates attributed to capacity expansion. m5.large in us-east-1: under 2%.

TCOIQ: With under 5% interruption, Spot fleets using 6-10 instance types across 3 AZs have near-zero actual interruptions. Start with CI/CD (immediate 70% saving), then ML training with checkpointing, then production web tier with 20% On-Demand baseline.