Source: https://mochatrade.com/learn/glossary/lot-size-and-tick-size

# Lot size and tick size
URL: https://mochatrade.com/learn/glossary/lot-size-and-tick-size
Last modified: 2026-10-17

Lot size is how much one contract covers, like 100 troy ounces for COMEX gold or 1,000 barrels for WTI; tick size is the smallest price step. One tick on one lot of either is worth ten dollars. [The Module 0 quiz runs on a fifty-unit lot](https://mochatrade.com/learn/start-here/quiz); [Mochatrade sizes](https://mochatrade.com/support/order-types-available-on-mochatrade) go far smaller, which puts [sizing on you](https://mochatrade.com/learn).

## Related terms

- COMEX: https://mochatrade.com/learn/glossary/comex
- Mini and micro contracts: https://mochatrade.com/learn/glossary/mini-and-micro-contracts
- Spot price vs futures price: https://mochatrade.com/learn/glossary/spot-price-vs-futures-price
- Troy ounce: https://mochatrade.com/learn/glossary/troy-ounce
- Commodity trading: https://mochatrade.com/learn/glossary/commodity-trading
- Leverage ratio: https://mochatrade.com/learn/glossary/leverage-ratio

Educational content only. Not investment advice. Leveraged products magnify losses as well as gains.