Supply Chain Parameters
Live Adjustment
500 units
Initial Kirkland 5W-30 / 0-20 case inventory
120 / day
Automotive aisle traffic seeking motor oil
25%
Shoppers attempting bulk multi-case stockpile
2 units
Max cases allowed per member transaction per week
14 days
Estimated lead time until refinery resupply
Inventory Depletion & Fulfillment Trajectory
Costco 2-Unit Policy Active
Stockout Timeline
Day 8
Depleted before day 14
Hoarder Restricted
145 units
Excess bulk prevented
Legit Fulfillment
96.2%
Regular drivers served
Rationing Efficiency
82.4%
Equitable allocation index
Rationed Policy Inventory (Current)
Unrationed Runaway Depletion
Legitimate Demand Fulfilled
Restricted Speculator Bulk
Supply Policy Assessment: Under Costco's 2-unit weekly purchase cap, 145 units of speculative hoarding are blocked, extending shelf availability from Day 4 to Day 8. Legitimate automotive DIYers maintain a 96.2% fulfillment rate, mitigating regional shortage panic until upstream lubricant refinery blenders recover.